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    • CHEMICALS

      CHEMICALS

      • AEROSOLS
        • BELT DRESSING
        • CAL-BLAST CONDENSER COIL CLEANER
        • COLD GALVANIZING SPRAY
        • DEGREASING SOLVENT EF (AEROSOL)
        • ELECTRICAL CONTACT CLEANER
        • EVAP FOAM NO RINSE HEAVY DUTY DETERGENT
        • EVAP FRESH NO RINSE HEAVY DUTY DETERGENT
        • EXPANDING FOAM
        • FOOD GRADE SILICONE
        • PAN SPRAY
        • PENETRATING OIL
        • PUMP PROTECTOR
        • VIPER DEGREASER COIL CLEANER
        • WASP & HORNET KILLER - NU-KILL
      • CLEANERS
        • CONDENSER CLEANER
        • DEGREASERS
        • EVAPORATOR CLEANER
        • EXPANDING HOSE
        • SPECIAL HD CAL-CLEAN
        • SPRAYERS
        • SYSTEM FLUSH
      • CONDENSATE PAN TABLETS
        • A/C DRAIN PAN TABLETS
        • PROTREAT-152 TABLETS
      • DEODERIZERS
        • CLEN AIR
        • CLEN AIR MINI-FRESH
      • FUEL OIL
        • WATER DETECTION PASTE
      • LEAK DETECTORS
        • BIG BLU
        • GAS LEAK DETECTOR
        • GAS LEAK DETECTOR (LOW TEMP)
      • LUBRICANTS
        • A/C RE-NEW
        • ACID NEUTRALIZER - RX SCAVENGER
        • ACID TEST KIT
        • Oil-ID - TEST KIT
        • REFRIGERANT OIL HAND PUMP
        • REFRIGERATION OILS
        • SILICONE GREASE
        • VACUUM PUMP OIL
      • REFRIGERANTS
        • Genetron 22
        • Genetron® 134a for Refrigeration
        • Genetron® 401A for Refrigeration
        • Genetron® 404A for Refrigeration
        • Genetron® 407C
        • Genetron® 408A for Refrigeration
        • Genetron® 410A
        • HOT SHOT
        • HOT SHOT 2
        • NU-22B
        • ONE SHOT
      • SEALANTS
        • ANTI-SIEZE
        • CAULK GUNS
        • EPOXY PUTTY
        • EXPANDING FOAM
        • FURNACE CEMENT - PYROSEAL
        • HIGH TEMP SILICONE
        • PIPE THREAD SEALANTS
        • PVC CEMENT
        • PVC PRIMER
        • REFRIGERANT LEAK SEALANT
        • ROOF PATCH
        • SEALING GUM
        • SILICONE SEALANT
      • WATER FILTRATION
        • EVERPURE CARBON BLOCK CARTRIDGE
        • EVERPURE FOUNTAIN BEVERAGE CARTRIDGES
        • EVERPURE ICE MACHINE WATER FILTERS
        • EVERPURE QC71 HEADS
        • EVERPURE SCALE STICK/IMF
        • MICRO-PLUS WATER FILTERS
        • SEDIMENT CARTRIDGES
      • WATER TREATMENT
        • COOLING TOWER
        • GLYCOL - FREEZE KONT L
        • ICE MACHINE
        • PH CONDENSATE NEUTRALIZER
        • SCALE DISSOLVER
        • SCALE DISSOLVER PUMP
    • COMPRESSORS

      COMPRESSORS

      • HERMETIC COMPRESSORS
        • AIR CONDITIONING COMPRESSORS
        • REFRIGERATION COMPRESSORS
      • SEMI-HERMETIC COMPRESSORS
        • CARRIER / CARLYLE
        • COPELAND 1/2 HP TO 3 HP
        • COPELAND 5 HP TO 40 HP
        • COPELAND DISCUSS
    • CONTROLS

      CONTROLS

      • AIR PRESSURE CONTROLS
        • ADJUSTABLE AIR PRESSURE SWITCH - .01" - 10" WC
        • ADJUSTABLE AIR PRESSURE SWITCH - .25" - 1" WC
        • PRESSURE SWITCHES - FIXED
        • RED SILICONE TUBING
        • SAIL SWITCH
      • DEFROST CONTROLS
        • DEFROST & TEMPERATURE CONTROL - ELECTRONIC
        • DEFROST & TIME CLOCKS
        • DEFROST TERMINATION SWITHES - OEM
        • DEFROST TERMINATION & FAN DELAY CONTROL
        • DEFROST TIMER - ADJUSTABLE ELECTRONIC
      • FAN & LIMIT CONTROLS
        • ADJUSTABLE FAN & LIMITS
        • AUTOMATIC RESET LIMITS
        • ECM TO PSC MOTOR CONTROL
        • FAN CONTROL - COLEMAN/RHEEM
        • FAN CONTROL - OIL FURNACE
        • FAN CONTROL - UNIVERSAL
        • L4064B, W FAN & LIMIT CONTROLS
        • MAIN AIR LIMIT
        • MANUAL RE-SET LIMITS
        • THERMAL CUTOFFS
      • GAS CONTROLS & ACCESSORIES
        • FLAME SENSORS
        • FURNACE CONTROL BOARDS
        • HOT SURFACE IGNITION CONTROLS
        • HOT SURFACE IGNITORS
        • IGNITION CABLE
        • INTERMITTENT IGNITION CONTROLS
        • PILOT ASSEMBLIES
        • PILOT RELIGHT KIT
        • PILOT TUBING
        • THERMOCOUPLES
        • UNIVERSAL RETROFIT IGNITION SYSTEM
      • GAS VALVES
        • DIRECT IGNITION GAS VALVE
        • INTERMITTENT 2-STAGE GAS VALVE
        • SMARTVALVE™ IGNITOR/FLAME SENSOR
        • SMARTVALVE™ SYSTEM VALVE
        • STANDING PILOT - MILLIVOLT VALVE
        • STANDING PILOT VALVES - H/W
        • STANDING PILOT VALVES - ROBERTSHAW
        • UNIVERSAL ELECTRONIC IGNITION VALVE
      • HEAT PUMP CONTROLS
        • HEAT PUMP DEFROST CONTROL - UNIVERSAL
        • HEAT PUMP DE-ICE CONTROL
      • PRESSURE CONTROLS
        • DUAL PRESSURE CONTROLS
        • ENCAPSULATED PRESSURE SWITCHES
        • FAN SPEED CONTROL
        • HIGH PRESSURE CONTROLS
        • LOW PRESSURE CONTROLS
        • LUBE OIL PROTECTION CONTROL WITH TIME DELAY
        • P20 SERIES AIR CONDITIONING LIMIT PRESSURE SWITCHES
        • REFRIGERANT HOSE
        • WATER REGULATING VALVES
      • TEMPERATURE CONTROLS
        • A11 SERIES LOW TEMPERATURE CUTOUT - FREEZE STAT
        • A19 SERIES COILED BULB THERMOSTATS
        • A19 SERIES REMOTE BULB CONTROLS
        • A419 ELECTRONIC TEMPERATURE CONTROL
        • CONSTANT CUT-IN CONTROLS
        • CONSTANT DIFFERENTIAL CONTROLS
        • COOLING TOWER OR EVAP. CONDENSER CONTROL
        • ELECTRONIC TEMPERATURE CONTROL
        • EVAPORATOR DE-ICE CONTROL
        • HEAT PUMP DE-ICE CONTROL
        • ICE MACHINE CONTROLS
        • O10 TEMPERATURE CONTROLS
        • ROOM AIR CONDITIONER THERMOSTATS
      • THERMOSTATS
        • ELECTRONIC NON-PROGRAMMABLE
        • ELECTRONIC PROGRAMMABLE
        • MECHANICAL
        • THERMOSTAT COVER PLATE
        • THERMOSTAT GUARDS
        • WEB ENABLED
        • WIRELESS PROGRAMMABLE
    • ELECTRICAL & ACCESSORIES

      ELECTRICAL & ACCESSORIES

      • BOXES AND COVERS
        • COVERS AND PLATES
        • EXTENSION RINGS
        • STEEL BOXES
        • WEATHER PROOF BOXES AND COVERS
      • CAPACITORS
        • DUAL CAPACITORS - ROUND
        • RUN CAPACITORS
        • START CAPACITORS
        • UNIVERSAL DUAL & SINGLE RUN CAPACITOR
        • UNIVERSAL FAN CAPACITOR
        • UNIVERSAL START CAPACITOR
      • COMPRESSOR TERMINAL REPAIR KIT
        • COMPRESSOR LEAD KIT
        • QUIKLUG
      • CONTACTORS
        • AUXILLARY SWITCHES
        • CONTACTORS
        • SURE SWITCH RELAY
      • CRANKCASE HEATERS
        • CRANKCASE HEATERS
      • DISCONNECT SWITCHES
        • METAL DISCONNECT
        • PLASTIC DISCONNECT
      • DUCT HEATER COIL KIT
        • DUCT HEATER COIL KIT
      • ELECTRICAL FITTINGS
        • BX & GREENFIELD CONNECTORS
        • CONDUIT NIPPLES
        • ELECTRICAL STAPLES
        • LIQUIDTIGHT CONNECTORS
        • LIQUIDTIGHT FLEXIBLE CONDUIT
        • LIQUIDTIGHT WHIP
        • ROMEX CONNECTORS
        • STRAPS - EMT CONDUIT
      • ELECTRICAL TAPE
        • ELECTRICAL TAPE ECONOMY GRADE
        • ELECTRICAL TAPE PREMIUM GRADE
      • EVAPORATIVE DRAIN PANS
        • SELF REGULATING
        • STANDARD
      • FAN CENTERS
        • FAN CENTERS
      • FUSES
        • BLADE TYPE - ATC
        • GLASS FUSES
        • TIME DELAY - 250V
        • TIME DELAY - 480V
        • TIME DELAY - 600V
      • HARD START KITS
        • SPP SERIES HARDSTART
        • SPP-E SERIES HARDSTART
      • HEATING CABLE
        • ACCESSORIES
        • HEATING CABLE - UNASSEMBLED 50 FT.
        • PRE-ASSEMBLED HEATING CABLE
      • RELAY & OVERLOADS
        • "ICE CUBE" RELAYS
        • CURRENT RELAY - UNIVERSAL
        • CURRENT SENSING RELAYS
        • CURRENT SENSING SWITCH
        • OVERLOADS
        • POTENTIAL RELAY - ADJUSTABLE
        • POTENTIAL RELAYS
        • RELAY & OVERLOAD
        • RELAY, OVERLOAD AND START CAPACITOR
        • SWITCHING RELAYS
        • TIME DELAYS RELAYS
      • SEQUENCERS
        • SEQUENCERS
      • SOLDERLESS TERMINALS
        • BULLET PLUGS & RECEPTACLES
        • BUTT CONNECTORS
        • COMPRESSOR TERMINAL - FEMALE FLAG
        • DEAD END CONNECTORS
        • INSULATED RINGS
        • SLIP-ON CONNECTORS
        • TAB ADAPTERS
        • TAP CONNECTORS
      • TRANSFORMERS
        • FOOT MOUNT TRANSFORMER
        • HUB MOUNT W/ CIRCUIT BREAKER
        • MULTI-MOUNT TRANSFORMER
        • TRANSFORMER W/ CIRCUIT BREAKER
      • VOLTAGE MONITORS
        • 3-PHASE VOLTAGE MONITOR
        • 3-PHASE VOLTAGE MONITOR - PROGRAMMABLE
        • SURGE PROTECTOR
      • WIRE
        • DUCTLESS WIRE - METAL CLAD
        • DUCTLESS WIRE - TRAY
        • PLENUM RATED THERMOSTAT WIRE
        • SJTO SERVICE CORD
        • STRANDED WIRE
        • THERMOSTAT WIRE
        • THERMOSTAT WIRE - 48 FT.
      • WIRING DEVICES
        • ALLIGATOR CLIPS
        • BAT HANDLE TOGGLE SWITCHES
        • CABLE MARKERS
        • FUSE HOLDERS
        • GROUND ADAPTER PLUG
        • GROUNDING HARDWARE
        • HEAT SHRINK TUBING
        • INDICATOR LIGHTS
        • PLUGS
        • RECEPTACLES
        • SPLIT BOLT CONNECTORS
        • TERMINAL BLOCKS
        • TOGGLE SWITCH & RECEPTACLE
        • TOGGLE SWITCHES
        • TRIPLE OUTLET
        • VINYL GROMMETS
        • WIRE CONNECTORS
    • HVAC EQUIPMENT

      HVAC EQUIPMENT

      • BOILERS
        • BOILER & WATER HEATER - DUAL PURPOSE
        • COMBINATION BOILER & WATER HEATER
        • HTP BOILERS
        • WILLIAMSON BOILERS
      • DUCT HEATER - ELECTRIC
        • DHB & DB SERIES
        • DHC & DC SERIES (UP TO 500KW)
      • FAN COIL - CEILING MOUNT
        • DX FAN COILS
      • FUJITSU DUCTLESS
        • ACCESSORIES
        • CEILING CASSETTE
        • CEILING SUSPENDED
        • COMPACT CASSETTE
        • COMPACT DUCT
        • FLOOR MOUNT
        • MEDIUM STATIC DUCTED
        • MULTI POSITION AIR HANDING UNIT
        • MULTI-ZONE HFI
        • SINGLE-ZONE WALL MOUNT
        • SINGLE-ZONE WI-FI WALL MOUNT
        • UNIVERSAL MOUNT
      • GEOTHERMAL HEAT PUMPS
        • COMMERCIAL WATER SOURCE HEAT PUMPS
        • LARGE CAPACITY COMMERCIAL WATER SOURCE HEAT PUMP
        • SPLIT SYSTEM SERIES - TWO STAGE
        • WATER SOURCE HEAT PUMPS - PACKAGED TWO STAGE
        • WATER-TO-WATER SYSTEMS
      • GIBSON
        • AIR CONDITIONER CONDENSING UNIT
        • AIR HANDLERS W/COILS
        • RESIDENTIAL AIR HANDLERS
        • COILS
        • GAS FURNACES
        • GAS PACKAGE UNITS, SINGLE PHASE
        • HEAT PUMP CONDENSING UNIT
        • PACKAGE AIR CONDITIONERS, SINGLE PHASE
        • PACKAGE HEAT PUMPS, SINGLE PHASE
      • INFRARED RADIANT HEATERS
        • LUMINOUS (HIGH INTENSITY) RADIANT HEATERS
        • PATIO RADIANT HEATER
        • TUBE RADIANT HEATERS - ECONOMY
        • TUBE RADIANT HEATERS - PREMIUM
      • MAMMOTH COMMERCIAL EQUIPMENT
        • AIR CONDITIONER CONDENSING UNITS, 3 PHASE
        • AIR HANDLERS
        • GAS PACKAGE UNITS, 3 PHASE
        • HEAT PUMP CONDENSING UNITS, 3 PHASE
        • PACKAGE AIR CONDITIONER UNITS, 3 PHASE
        • PACKAGE HEAT PUMP UNITS, 3 PHASE
      • MARS AIR DOOR
        • INDUSTRIAL AIR CURTAINS
        • LoPro AIR CURTAIN
      • MOBILE HOME FURNACES
      • OIL FURNACES
        • WILLIAMSON
      • PACKAGE TERMINAL UNITS
        • AIR CONDITIONERS
        • HEAT PUMPS
      • PORTABLE AIR CONDITIONERS
      • SPACEPAK HIGH VELOCITY SYSTEM
      • THRU-THE-WALL A/C
        • THRU-THE-WALL A/C
      • THRU-THE-WALL GAS & ELECTRIC PACKS
        • ELECTRIC PACKS
        • GAS PACKS
      • UNIT HEATERS
        • CAYENNE UNIT HEATERS (30K -75K BTU)
        • DUCT FURNACES
        • SEP SERIES UNIT HEATERS (100K - 400K BTU)
        • SEPARATED COMBUSTION HEATERS
      • WALL MOUNT PACKAGE UNITS
      • WATER HEATERS
        • INDIRECT WATER HEATERS
        • TANKED WATER HEATERS
        • TANKLESS WATER HEATERS
    • HVAC INSTALLATION ACCESSORIES

      HVAC INSTALLATION ACCESSORIES

      • CONDENSATE PRODUCTS
        • CONDENSATE PUMP - HEAVY DUTY
        • CONDENSATE PUMP - LOW PROFILE
        • CONDENSATE PUMP - MICRO
        • CONDENSATE PUMP - PREMIUM NXTGEN
        • CONDENSATE PUMP - STANDARD
        • DRAIN HOSE - NO KINK
        • DRAIN PANS - HIGH RISE
        • DRAIN PANS - STANDARD
        • SAFETY SWITCH - CC1
        • SAFETY SWITCH - EZTRAP
        • SAFETY SWITCH - MINI-SPLIT
        • SAFETY SWITCH - SS2
        • SAFETY SWITCH - WS1
        • VINYL TUBING - CLEAR
      • CONDENSER ACCESSORIES
        • A/C GUARD
        • CONDENSER PADS
        • DISCONNECTS - METAL
        • DISCONNECTS - PLASTIC
        • HEAT PUMP RISER
        • ROOF STAND - BIG FOOT
        • WALL MOUNTING BRACKET
        • WHIPS
      • DUCT INSULATION
        • FIBERGLASS
        • REFLECTIX DUCT
        • REFLECTIX DUCT SPACERS
      • DUCT SEALANT MASTIC
        • DUCT SEALER
        • FOIL MASTIC TAPE
        • SEALANT BRUSHES
      • DUCT SMOKE DETECTORS
        • PHOTOELECTRIC DUCT SMOKE DETECTOR
        • REMOTE ACCESSORIES
        • SAMPLING TUBES
      • FLEXIBLE DUCT
        • DUCT STRAP
        • DUCT TIES - NYLON
        • INSULATED
        • UNINSULATED
      • FURNACE FEET & LEVELING BLOCKS
        • AIR HANDLER SUPPORT BLOCKS
        • FURNACE FEET
        • LEVELING FURNACE LEGS
        • LEVEVELING BLOCKS
      • REGISTERS & GRILLES
        • CEILING DIFFUSERS
        • GRILLES - BAR-FACED FLOOR
        • GRILLES - FILTER
        • GRILLES - RETURN
        • REGISTER - 4 WAY
        • REGISTER - CEILING/SIDEWALL
        • REGISTER - CEILING/SIDEWALL ADJUSTABLE
        • REGISTER - FLOOR
        • RETURN/EXHAUST GRILLES
        • T-BAR FILTER GRILL W/FIBERGLASS PLENUM
        • T-BAR LAY-IN DIFFUSER
        • T-BAR RETURN - PERFORATED W/FIBERGLASS PLENUM
      • SHEET METAL PRODUCTS
        • AIR-TITE SADDLE TAKEOFF
        • AIR-TITE TAKEOFF
        • AIR-TITE TAKEOFF W/DAMPER
        • AIR-TITE TOP TAKEOFF
        • COLD AIR BOOT
        • COLD AIR DROP KIT
        • COLD AIR FRAMING
        • DAMPERS
        • DIFFUSER BOX - BLIND
        • DIFFUSER BOX - SIDE OUTLET
        • DIFFUSER BOX - TOP OUTLET
        • DRIVE CLEATS
        • DUCT ELBOW - HORIZONTAL 45
        • DUCT ELBOW - HORIZONTAL 90
        • DUCT ELBOW - VERTICAL 45
        • DUCT ELBOW - VERTICAL 90
        • ELBOW - ADJUSTABLE 90
        • FILTER CHANNEL
        • FILTER RACKS
        • FLAT SHEETS
        • FLEXIBLE DUCT CONNECTOR
        • FURNACE BOX
        • OVAL - 90 REGISTER BOOT
        • OVAL - END BOOT
        • OVAL - FLAT 45
        • OVAL - FLAT 90
        • OVAL - PIPE
        • OVAL - ROUND TO OVAL BOOT 90
        • OVAL - ROUND TO OVAL BOOT STRAIGHT
        • OVAL - STACKHEADS
        • OVAL - STACKHEADS W/ COLLAR
        • OVAL - STRAIGHT REGISTER BOOT
        • OVAL - VERTICAL 45
        • OVAL - VERTICAL 90
        • PANNING - METAL
        • PANNING - THERMO-PAN
        • PIPE - CAP
        • PIPE - REDUCERS
        • PIPE - ROUND
        • PLENUMS
        • REGISTER BOOT - 90
        • REGISTER BOOT - END CENTER
        • REGISTER BOOT - STRAIGHT
        • REGISTER COLLAR
        • RETURN AIR SUPPORT BOXES
        • S CLEATS
        • S CLEATS RIGID (STANDING)
        • STARTING COLLAR - FLEX DUCT (LONG)
        • STARTING COLLAR - FLEX DUCT (LONG) W/DAMPER
        • STARTING COLLAR - SHORT
        • STARTING COLLAR - TAB (DUCT BOARD)
        • TEES - 26 GAUGE
        • TEES - FLUE TAPPERED WYE
        • TOP TAKEOFF
        • TRUNK DUCT
        • TRUNK DUCT - END CAPS
        • TRUNK DUCT - REDUCERS
        • TRUNK DUCT - STARTING COLLAR
        • TRUNK DUCT HANGERS
        • VENT HOOD - ALUMINUM
        • WYE BRANCHES
      • TAPES
        • DUCT TAPE
        • FILM TAPE FOR REFLECTIVE INSULATION
        • FOIL SCRIM KRAFT TAPE - FSK
        • FOIL TAPE
        • FOIL TAPE UL-181AP & UL181B-FX
      • UTILITY PUMP
        • SUBMERSIBLE PUMP
        • TRANSFER "PONY" PUMP
      • WIRE
        • DUCTLESS SPLIT WIRE
        • DUCTLESS WIRE - METAL CLAD
        • PLENUM RATED THERMOSTAT WIRE
        • THERMOSTAT WIRE
      • ZONING SYSTEMS
        • DAMPERS - AUTOMATIC ROUND - HW
        • DAMPERS - AUTOMATIC ROUND - ZONEFIRST
        • DAMPERS - MODULATING ROUND
        • DAMPERS - PARALLEL BLADE - ZONEFIRST
        • DAMPERS - PARALLEL BLADE- HW
        • DAMPERS - RETROFIT ROUND
        • DAMPERS - STATIC PRESSURE
        • REPLACEMENT MOTOR
        • TotalZone® ADD-A-ZONE PANEL
        • TRUEZONE ZONING PANEL
        • ZONEFIRST ZONING PANEL
        • ZONING ACCESSORIES
    • HYDRONIC SYSTEM, CONTROLS & ACCESSORIES

      HYDRONIC SYSTEM, CONTROLS & ACCESSORIES

      • AIR SEPERATORS
        • AIR SCOOPS
        • AIR VENTS
        • SUPERVENT AIR ELIMINATOR
      • AQUASTATS
        • AQUASTATS - HIGH LIMIT MANUAL RESET
        • AQUASTATS - SINGLE FUNCTION
        • HYDROSTAT AQUASTATS
        • MULTIFUNCTION AQUASTAT
        • TRIPLE AQUASTAT - UNIVERSAL
      • BACKFLOW PREVENTERS
        • BACKFLOW PREVENTERS
      • BOILER FEED VALVES
        • BOILER FEED & BACKFLOW PREVENTER
        • BOILER FEED VALVES - TACO
        • BOILER FEED VALVES - WATTS
      • BOILER TRIM KIT
        • BOILER TRIM KIT
      • BYPASS VALVE
        • BYPASS VALVE
      • CIRCULATOR PUMPS
        • "00" SERIES - CARTRIDGE CIRCULATORS
        • 007e ECM CIRCULATOR
        • COUPLINGS FOR B&G CIRCULATORS
        • FLANGES
      • F61 SERIES FLOW SWITCH
      • FLOW CONTROLS
        • FLOW CONTROLS
        • FLOW SWITCH
      • HYDRAULIC SEPARATOR
      • HYDRO AIR FAN CONTROL
        • HYDRO AIR FAN CONTROL
      • HYDRONIC EXPANSION TANKS
        • EXPANSION TANK SERVICE VALVE
        • HYDRONIC EXPANSION TANKS
      • LOW WATER CUTOFF
        • LOW WATER CUTOFF - SAFGARD
        • LOW WATER CUTOFF - TACO
      • MIXING VALVE
        • MIXING VALVE, 70-120F
        • MIXING VALVE, 85-150F
      • OUTDOOR RESET CONTROLS
        • OUTDOOR RESET - ONE STAGE & DHW
      • RADIANT MIXING BLOCK
      • REHAU PEX PRODUCTS
        • ACTUATOR
        • EVERLOC COPPER ADAPTER
        • EVERLOC COUPLINGS
        • EVERLOC ELBOW TO COPPER
        • EVERLOC ELBOW W/ DROP EAR
        • EVERLOC FPT ADAPTER
        • EVERLOC MPT/COPPER ADAPTER
        • EVERLOC PLUGS
        • EVERLOC SLEEVES
        • EVERLOC TEES
        • EVERLOC TO EVERLOC ELBOWS
        • HEAT EXCHANGER
        • HEAT TRANSFER PLATE
        • INSULATION SCREW CLIPS
        • MANIFOLDS
        • PLASTIC HOLDING PIN
        • PLUMBING
        • POLYMER SUPPORT BENDS
        • PROTECTION SLEEVE
        • PVC BEND GUIDES
        • RAILFIX
        • RAUPANEL
        • RAUPEX MANIFOLD CONNECTIONS
        • RAUPEX O2 BARRIER PIPE
        • RAUPEX UV SHIELD PIPE
        • TALON HOOKS
        • TOOLS
      • RELIEF VALVES
        • PRESSURE RELIEF VALVE
        • TANKLESS WATER HEATER RELIEF VALVE
        • TEMPERATURE & PRESSURE RELIEF VALVE
      • STEAM SPECIALTIES
        • MAIN STEAM VENT
        • RADIATOR STEAM VENT
        • STEAM LOW WATER CUT OFF - HYDROLEVEL
        • STEAM LOW WATER CUT OFF - MCDONNELL & MILLER
        • STEAM WATER FEEDER - HYDROLEVEL
      • STRAINER - WYE, CAST IRON
        • STRAINER - WYE, CAST IRON
      • SWITCHING RELAY
        • SWITCHING RELAY - CIRCULATOR
        • UNIVERSAL SWITCHING RELAY
        • ZONE VALVE SWITCHING RELAYS
      • SWITCHING RELAYS
        • SWITCHING RELAY - CIRCULATOR
        • UNIVERSAL SWITCHING RELAY
        • ZONE VALVE SWITCHING RELAYS
      • TANKLESS WATER HEATER VALVES
        • TANKLESS WATER HEATER VALVES
      • X-PUMP BLOCK
      • ZONE VALVES
        • HONEYWELL ZONE VALVES
        • TACO ZONE VALVES
    • INDOOR AIR QUALITY

      INDOOR AIR QUALITY

      • AIR FILTERS
        • CUT-TO-FIT FILTERS
        • FIBERGLASS AIR FILTERS
        • PLEATED PANEL FILTERS
      • DEHUMIDIFICATION SYSTEM
        • DEHUMIDIFICATION SYSTEM
      • ELECTRONIC AIR CLEANERS
        • F300 ACCESSORIES
        • F300 SERIES ELECTRONIC AIR CLEANERS
        • SST SERIES ELECTRONIC AIR CLEANER
      • HEAT AND ENERGY RECOVERY VENTILATORS
        • COMMERCIAL ENERGY RECOVERY (ERV)
        • COMMERCIAL HEAT RECOVERY (HRV)
        • RESIDENTIAL HEAT & ENERGY RECOVERY FRESH AIR SYSTEM
      • HUMIDIFIERS
        • CURRENT SENSING RELAY
        • FLOW-THRU BYPASS
        • FLOW-THRU FAN POWERED
        • HUMIDIFIER PADS
        • HUMIDISTAT
        • SPRAY HUMIDIFIERS
        • UNIVERSAL HUMIDIFIER SOLENOID
        • WATER FILTER - HUMIDIFIER
      • MEDIA FILTERS
        • AIR CLEANER REFILLS
        • F100 SERIES MEDIA FILTERS
        • FLEX MEDIA FILTERS REFILLS
        • MEDIA AIR CLEANER
        • MEDIA AIR CLEANER- RETURN AIR BOOT
      • ULTRAVIOLET LAMPS
        • UV-AIRE® Air Purifying System
    • MOTORS & ACCESSORIES

      MOTORS & ACCESSORIES

      • BELTS
        • “A” SECTION
        • “B” SECTION
        • 3L SECTION
        • ACCULINK
      • MOTOR ACCESSORIES
        • BLOWER WHEELS
        • FAN BLADES
        • MISCELLANEOUS KITS
        • MOUNTING KITS
      • MOTORS
        • 3.3" DIAMETER MOTORS
        • 4.4" DIAMETER MOTORS
        • 5.0" & 5.1" DIAMETER MOTORS
        • 5.6" DIAMETER MOTORS
        • CIRCULATOR MOTORS
        • DRAFT INDUCER ASSEMBLIES
        • OEM REFRIGERATION MOTORS
        • OIL BURNER MOTORS
        • SKELETON MOTORS
        • WATT MOTORS
    • OIL CONTROLS & ACCESSORIES

      OIL CONTROLS & ACCESSORIES

      • CIRCULATOR COUPLINGS
        • CIRCULATOR COUPLINGS - B&G
      • CO2 BLOW OUT GUNS
        • CO2 BLOW OUT GUNS
      • FAN CONTROL - OIL FURNACE
        • FAN CONTROL - OIL FURNACE
      • FIROMATIC FUSIBLE VALVES
        • FIROMATIC FUSIBLE VALVES
      • FUEL FILTERS
        • FUEL FILTER REPLACEMENTS
        • FUEL FILTERS
      • IGNITION TRANSFORMERS
        • BASEPLATES
        • ELECTRODES
        • IGNITION TRANSFORMER TERMINAL KIT
        • IGNITION TRANSFORMERS
      • OIL CONTROLS
        • COMBINATION OIL BURNER AND HYDRONIC CONTROLLER
        • FLAME SENSOR - CADIUM SULFIDE
        • R7284 UNIVERSAL INTERRUPTED OIL BURNER CONTROL
        • R8184M OIL BURNER CONTROL FOR COOLING SYSTEM
      • OIL NOZZLES
        • HOLLOW CONE - TYPE A
        • MOBILE HOME NOZZLE
        • PROTEK NOZZLE SYSTEM
        • SOLID CONE - TYPE B
      • OIL PUMPS
        • BURNER COUPLING KIT
        • CLEAN CUT OIL PUMP W/ SOLENOID
        • PUMP STRAINERS & GASKETS
        • OIL LINE CONNECTORS
        • SINGLE STAGE
        • TWO STAGE
      • TRI-O-METERS
    • REFRIGERATION ACCESSORIES

      REFRIGERATION ACCESSORIES

      • CHECK VALVES
        • ACK CHECK VALVES
        • CHECK VALVES
        • GLOBE CHECK VALVES
      • DRIERS & FILTERS
        • BIFLOW LIQUID LINE FILTER-DRIER
        • BLOCKS AND FILTER CORES
        • LIQUID LINE FILTER-DRIER
        • SPUN COPPER LIQUID LINE DRIER
        • STEEL SHELLS - LIQUID AND SUCTION
        • SUCTION LINE FILTER-DRIER
      • EVAPORATIVE DRAIN PANS
        • SELF REGULATING
        • STANDARD
      • OIL FILTERS & CONTROLS
        • OIL FILTER-DRIER
        • OIL FILTER-DRIER FOR SCROLL COMPRESSORS
        • OIL LEVEL PROTECTION CONTROL
        • OIL LEVEL REGULATOR
      • PRESSURE RELIEF VALVES
        • FUSIBLE PIPE PLUGS
        • STRAIGHT THRU VALVE
      • REGULATORS
        • CRANKCASE PRESSURE REGULATOR (CPR)
        • EVAPORATOR PRESSURE REGULATOR (EPR)
        • HEADMASTER® PRESSURE CONTROLS
      • REVERSING VALVES
        • REVERSING VALVES
      • ROTO LOCK VALVES
        • ROTO LOCK VALVES
      • SHUT OFF VALVES
        • BALL VALVES
        • HAND VALVES
        • PACKED ANGLE VALVES
        • PACKED ANGLE VALVES W/PORT
      • SIGHT GLASSES
        • HERMETIC MOISTURE INDICATOR
      • SOLENOID VALVES
        • 100RB SOLENOID VALVES
        • 200RB SOLENOID VALVES
        • 240RA SOLENOID VALVES
        • COIL MAGNET TOOL
        • COILS
        • INDUSTRIAL SOLENOIDS
      • SUCTION LINE ACCUMULATORS
        • SUCTION LINE ACCUMULATORS
      • TXV THERMO® EXPANSION VALVES
        • AFA(E) TXV
        • BALANCED PORT TXV
        • TAKE-A-PART TXV
        • TRAE+ TXV (10-70 TONS)
        • UNIVERSAL A/C & H/P TXV
      • VIBRATION ELIMINATORS
        • VIBRATION ELIMINATORS
      • WATER FILTRATION
        • EVERPURE CARBON BLOCK CARTRIDGES
        • EVERPURE FOUNTAIN CARTRIDGES
        • EVERPURE HEADS
        • EVERPURE ICE MACHINE WATER FILTERS
        • MICRO-PLUS™ WATER FILTERS
        • SCALE STICK/IMF
        • SEDIMENT CARTRIDGES
    • REFRIGERATION EQUIPMENT

      REFRIGERATION EQUIPMENT

      • CLIMATE CONTROL
        • AIR COOLED CONDENSERS
        • CONDENSING UNITS
        • REACH-IN EVAPORATORS
        • WALK-IN EVAPORATORS
      • COAXIAL CONDENSERS - HELIX
        • COOLING TOWERS
          • AMCOT COOLING TOWERS
        • DOORS & CURTAINS
          • COOLERS & FREEZER DISPLAY DOORS
          • REPLACEMENT DOOR AND FRAME
          • SLIDING DOOR
          • STRIP CURTAINS
          • TRAFFIC DOORS
        • TECUMSEH
          • REFRIGERATION CONDENSING UNITS
        • UNIT ENCLOSURES
          • ECO SERIES
          • PSE SERIES
        • WALK-IN BOXES
          • WALK-IN COOLERS AND FREEZERS
      • TOOLS

        TOOLS

        • BRAZING & SOLDERING TOOLS
          • ABRASIVE PAD
          • ACETYLENE ACCESSORIES
          • ACETYLENE REGULATORS
          • ACETYLENE TORCH KITS
          • ACETYLENE TORCH TIPS
          • ACETYLENE, OXYGEN, NITROGEN GASES & TANKS
          • BRAZING ALLOYS
          • FITTING BRUSHES
          • GALLO GUN
          • HAND TORCH
          • HEAT SHIELDS & GELS
          • MAPP AND PROPANE GAS
          • MESHCLOTH
          • NITROGEN REGULATORS & FLOW METER
          • OXY-ACETYLENT BRAZING KIT
          • SANDCLOTH
          • SLUDGE SUCKER NITROGEN KIT
          • TORCH GAUGE
          • TORCH HANDLE
        • CHARGING TOOLS
          • 1/4" CHARGING HOSES
          • 3/8" CHARGING HOSE
          • ANTI-BLOWBACK VALVES
          • BLACKMAX™ MANIFOLD SET
          • CHARGING HOSE BALL VALVES
          • CHARGING SCALE
          • CHARGING SCALE - WIRELESS
          • DIGITAL MANIFOLD - 549
          • DIGITAL MANIFOLD - 550
          • DIGITAL MANIFOLD 4-VALVE - 557
          • GAUGES
          • HOSE GASKET AND DEPRESSOR
          • R-134A SNAP COUPLERS 1/4" SAE
          • RECOVERY CYLINDERS
          • RECOVERY UNITS
          • REFRIGERANT RECOVERY TOOL
          • SMART PROBE AC & REFRIGERATION
          • VACUUM TOOLS
          • VALVE CORE TOOLS
          • VALVE CORES
          • VAPOR REFRIGERANT CHARGER
          • VORTECH PREMIUM CHROME & BLACK MANIFOLD
          • WORKINGMANS MANIFOLD
        • FASTENERS
          • ANCHOR KITS
          • BIT-TIP SCREWS
          • COMBO HEAD SCREWS
          • COTTER PINS
          • FENDER WASHERS
          • FLAT WASHERS
          • HEX HEAD CAP SCREWS
          • HEX NUTS
          • HOSE CLAMPS
          • MACHINE SCREWS HEX NUTS
          • NYLON CABLE CLAMPS
          • NYLON TIES
          • PIPE HANGING STRAP
          • POWER BIT
          • POWER BIT EXTENSIONS
          • SET SCREWS
          • SLOTTED ROUND HEAD MACHINE SCREW
          • SPLIT LOCK WASHERS
          • STOVE BOLTS
          • TOGGLE BOLTS
          • ZIP-IN SCREWS
        • HAND TOOLS
          • ADJUSTABLE WRENCH
          • BATTERIES
          • BRUSHES
          • CAULK GUNS
          • ELECTRICAL STRIPPERS
          • FIN COMBS
          • FLARING & SWAGING TOOLS
          • FLASHLIGHTS
          • GLOVES, TOWELS & CLEANER
          • GREASE GUNS & FITTINGS
          • HEX KEYS
          • HUB & BLADE PULLER
          • MAGNETIC HEX NUT DRIVERS
          • MAGNETIC UMBRELLA KIT
          • PIN EXTRACTOR TOOL
          • PLIERS
          • RATCHET SERVICE WRENCHES
          • SCREWDRIVERS
          • SHEET METAL TOOLS
          • TAPE MEASURE
          • TIE DOWN STRAPS
          • TOOL BAG
          • TORQUE WRENCH SET
          • TUBE BENDERS
          • TUBE CUTTERS
          • UTILITY KNIVES
        • INSTRUMENTS
          • BOROSCOPE - WIFI
          • COMBUSTION ANALYZERS
          • ELECTRICAL TESTERS
          • ELECTRONIC MANOMETER
          • LEAK DETECTORS - COMBUSTIBLE GAS
          • LEAK DETECTORS - REFRIGERANT
          • TEMPERATURE & HUMIDITY TESTERS
          • THERMOMETERS & PRESSURE GAUGES
        • KNEEPADS
          • ARTICULATED KNEEPAD
          • KNEELING MAT
        • SAFETY GLASSES
          • LEASHES
          • STYLE "BRAZEAU"
          • STYLE "CARAZ"
          • STYLE "DAKURA"
          • STYLE "DELANO"
          • STYLE "KHOR"
          • STYLE "RECLUS"
          • STYLE "ZORGE"
        • SAWS
          • CARBIDE HOLESAW KIT
          • HACK SAW BLADES
          • HACK SAW FRAMES
          • HOLE SAW ACCESSORIES
          • HOLE SAWS
          • MINI HACK SAW FRAME
          • RECIPROCATING SAW BLADES
          • STEP DRILLS
      • TUBE, INSULATION & FITTINGS

        TUBE, INSULATION & FITTINGS

        • ACCESS FITTINGS
          • BRAZE TEES
          • HALF UNION
          • R-410A DUCTLESS SPLIT ADAPTER
          • REFRIGERATION PIERCING VALVES
          • SWIVEL NUT ACCESS VALVES
          • SWIVEL TEES
          • TUBE ACCESS VALVES
          • VALVE CORES
        • BLACK IRON
          • 45° ELBOW - FPTxFPT
          • 90° STREET ELBOW - FPTxMPT
          • 90° ELBOW - FPTxFPT
          • BUSHING
          • COUPLING - FPTxFPT
          • COUPLING - REDUCING - FPTxFPT
          • LEAK TEST GAUGE - 2", 30 PSI
          • NIPPLES
          • PIPE
          • PIPE CAP
          • PLUG
          • TEE - FPTxFPTxFPT
          • UNION - FPTxFPT
        • BRASS FITTINGS
          • BRASS PIPE FITTINGS
          • FLARE FITTINGS
        • COPPER FITTINGS
          • 45° ELBOW - CxC
          • 45° ELBOW - FTGxC
          • 90° LONG RADIUS ELBOW - CXC
          • 90° LONG RADIUS ELBOW - FTGxC
          • 90° LONG RADIUS REDUCING ELBOW - CXC
          • 90° SHORT RADIUS ELBOW - CxC
          • 90° SHORT RADIUS ELBOW - FTGxC
          • ADAPTER - FEMALE CxFPT
          • ADAPTER - MALE CxMPT
          • COUPLING - REDUCING CxC
          • COUPLING - ROLLED STOP - CxC
          • FITTING REDUCER - FTGxC
          • P-TRAP - CxC
          • TEE - CxCxC
          • TUBE CAP
          • TUBE STRAP - 2 HOLE
          • UNION - CxC
        • COPPER TUBE
          • CAPILLARY TUBE
          • LINESETS - DUCTLESS MINI-SPLIT
          • LINESETS - STANDARD
          • PRE-INSULATED COPPER 164 FEET
          • REFRIGERATION ACR LENGTHS
          • REFRIGERATION COILS
          • WATER TUBE - TYPE M
        • DRAIN HOSE - NO KINK
          • DRAIN HOSE - NO KINK
        • GAS COCKS
          • GAS COCKS
        • GAS CONNECTORS - FLEXIBLE
          • GAS CONNECTORS - FLEXIBLE
        • LINESET DUCTING SYSTEM
          • LINESET COVER CUTTER
          • LINESET DUCTING SYSTEM
          • LINESET DUCTING SYSTEM KIT
        • METAL CHANNEL & ACCESSORIES
          • ANTI-VIBRATION PADS
          • CUSHION CLAMPS
          • H-BLOCK ROOFTOP SUPPORT SYSTEM
          • KWIK-CLIP CLAMPS
          • METAL LUMBER
          • SNAP CLAMP MOUNTING BRACKET
          • SNAP N SHIELD
          • STRUT
          • STRUT HARDWARE
        • NOVENT LOCKING CAPS
        • PVC FITTINGS
          • DWV PVC FITTINGS
          • SCH. 40 PVC FITTINGS
        • PVC TUBE
          • CONCENTRIC VENTING KIT
          • HORIZONTAL TERMINATION KIT
          • PVC HANGERS
          • PVC TUBE
        • TRACPIPE GAS PIPING SYSTEM
          • APPLIANCE STUB-OUTS
          • COUPLING FITTINGS
          • FLEXIBLE GAS PIPING (CSST)
          • MANIFOLD - MULTI-PORT
          • MAXITROL REGULATORS
          • STEEL CONDUIT TUBE PROTECTION
          • STRAIGHT FITTINGS - AUTOSNAP
          • STRIKER PLATES
          • STUB-OUTS - STRAIGHT
          • TEE FITTINGS
          • TERMINATION BRACKET FITTINGS
          • TERMINATION FLANGE FITTINGS - AUTOSNAP
        • TUBE & PIPE SEALANTS
          • BLUE MONSTER PIPE THREAD SEALANT
          • LEAK LOCK - JOINT SEALANT
          • NYLOG GASKET & THREAD SEALANT
          • PVC CEMENTS
          • PVC PRIMER
          • TEFLON TAPE
        • TUBE INSULATION
          • 1" WALL TUBING INSULATION
          • 1/2" WALL TUBING INSULATION
          • 3/4" WALL TUBING INSULATION
          • 3/8" WALL TUBING INSULATION
          • CORK TAPE
          • FOAM TAPE
          • INSULATION ADHESIVE
        • VINYL TUBING - CLEAR
          • VINYL TUBING - CLEAR
        • WATER VALVES
          • BOILER DRAIN VALVES
          • PROPRESS BALL VALVES
          • PRO-PUSH BALL VALVES
          • SELF TAPPING VALVE - 1/4" OUTLET
          • SELF TAPPING VALVE - 3/8" OUTLET
          • STOP & WASTE
          • WOG BALL VALVES
      • VENTING PRODUCTS

        VENTING PRODUCTS

        • BAROMETRIC DRAFT CONTROL
          • BAROMETRIC DRAFT CONTROL
        • B-VENT
          • 90 ADJUSTABLE ELBOW
          • ADJUSTABLE LENGTHS
          • DRAFTHOOD CONNECTOR
          • FIRESTOP
          • FLASHING - STANDARD (2/12-5/12)
          • FLASHING - TALL CONE (FLAT ROOF)
          • FLASHING -STEEP (6/12-12/12)
          • FLEX CONNECTOR - B-VENT
          • FLEX CONNECTOR - SINGLE WALL
          • INCREASERS
          • PIPE ADAPTER
          • ROUND PIPE
          • STORM COLLAR
          • SWIVEL WYE
          • VENT CAP
        • CHIMNEY LINERS
          • CHIMNEY LINERS
        • COMBUSTION AIR SYSTEMS
          • FAN-IN-A-CAN
        • COMMERCIAL VENTILATORS
          • AXIAL FANS
          • CENTRIFUGAL INLINE FANS
          • DOWNBLAST ROOF VENTILATOR - BELT DRIVE
          • DOWNBLAST ROOF VENTILATOR- DIRECT DRIVE
          • EXHAUST FANS - GUARD MOUNTED
          • EXHAUST WALL CABINET FANS
          • EXHAUST WALL FANS - STANDARD DUTY
          • FILTERED SUPPLY UNIT
          • PROPELLER FANS - DIRECT DRIVE MEDIUM DUTY
          • ROOF EXHAUST FAN - DIRECT DRIVE
          • ROOF/WALL EXHAUST FAN
          • SHUTTER FANS - DIRECT DRIVE
          • UPBLAST ROOF VENTILATOR - BELT DRIVE
          • UPBLAST ROOF VENTILATOR - DIRECT DRIVE
        • DRYER BOOSTER FAN
          • DRYER BOOSTER FAN
        • DUCT FANS
          • DUCT FANS
        • POWER VENTERS
          • PV POWER VENTERS -PVG/PVO
          • SWG CONTROL KITS
          • SWG POWER VENTERS
        • VENT DAMPER
          • VENT DAMPER
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    CONTROLS > AIR PRESSURE CONTROLS > SAIL SWITCH

     

     

    • Allows auxiliary equipment, such as humidifiers, duct heaters, or damper motors to be wired independently of blower motor.

    • Normally open contacts make at 250 FPM, break at 75 FPM

    • Senses vertical or horizontal airflow with appropriate selection of bias spring.

    • Switch SPDT

    PartNumber Description
    S688A1007 HONEYWELL AIR FLOW SWITCH
    123773A HONEYWELL SAIL ASSEMBLY
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    Associate Refrigeration Inc.
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