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  • HVAC EQUIPMENT
      • FURNACES
        • 80 % CONSTANT TORQUE
        • 80 % ECM VS
        • 80% Constant CFM
        • 92 % CONSTANT TORQUE
        • 95 % CONSTANT TORQUE
        • 95% Constant CFM
        • 96 %+ ECM VS
        • 98 % MOD
      • AIR CONDITIONERS
        • AC 13 SEER
        • AC 13 SEER / 3 PHASE
        • 13.4 SEER2
        • AC 14 SEER
        • 15 SEER2
        • AC 16 SEER
      • HEAT PUMPS
        • HP 14 SEER
        • HP 15 SEER
        • HP 16 SEER
        • HP 17 SEER
        • HP 15 SEER2
        • HP 17 SEER2
        • HP 18 SEER2
      • Air Handler
        • AH PSC
        • AH CONSTANT TORQUE
        • AH ECM
      • COILS
        • CASED COIL
        • UNCASED COIL
  • OEM Parts
      • FURNACE PARTS
        • OEM BLOWER MOTOR
        • OEM FLAME SENSOR, PILOT & BURNER
        • OEM FURNACE BOARDS
        • OEM GAS VALVE
        • OEM HEAT EXCHANGER
        • OEM IGNITOR
        • OEM INDUCER MOTOR
        • OEM KITS, WHEELS, DOOR SWITCH, & MISC PARTS
        • OEM LIMIT & TRANSFORMERS
        • OEM PRESSURE SWITCH
        • OEM VENT & CONDENSATE
      • AC & HP PARTS
        • OEM CAPACITOR
        • OEM COMPRESSOR & COND COILS
        • OEM VALVES & SOLENOID
        • OEM CONTACTOR & RELAY
        • OEM FAN MOTOR & BLADE
        • OEM HP DEFROST & CONTROLS
      • AH PARTS
        • OEM AH CONTROL BOARD
        • OEM AH MOTOR
        • OEM AH TRANSFORMER & RELAY
        • Oem Heat Strips
      • COILS PARTS
        • OEM COIL INLET STUB
        • OEM COIL PISTONS
        • OEM COIL TXV
        • OEM COIL UNCASE ADAPTER
      • OEM EQUIPMENT ACCS
        • OEM LP KIT
        • OEM DOWN/HORZ KITS
        • OEM THERMOSTATS
        • OEM CHIMNEY ADAPT
        • OEM FILTER RACKS
        • OEM FURNACE BASES & BOTTOMS
        • OEM LABEL
        • OEM LOW AMBIENT
  • BOILERS
      • WATER BOILERS
        • CAST IRON WATER
      • STEAM BOILERS
        • CAST IRON STEAM
      • COMBI & CONDENSING
        • 93 %+ BOILER
        • COMBI BOILER
      • STORAGE TANKS
        • INDIRECT
      • OEM BOILER PARTS
        • BOILER ACCS KIT
        • BOILER PART
  • HYDRONIC
      • PEX
        • BRASS MANIFOLD & ACCS
        • CHROME MANIFOLD & ACCS
        • PEX BOARD, STAPLES & TOOLS
        • PEX-B HYDRONIC TUBING
        • PEX INSTALL ACCS
        • PLUMBING PEX TUBE & FITTINGS
      • PUMPS
        • HYDRONIC PUMP
        • HYDRONIC PUMP PART
        • FLANGES & ISOLATION
      • TRIM KITS & AIR SEPARATORS
        • AIR & / OR DIRT SEPERATOR
        • EXPANSION TANK
        • BOILER TRIM KIT
      • VENT & VALVES
        • AIR & STEAM VENT
        • BALL DRAIN
        • HYDRONIC GAUGES
        • PRESSURE REDUCER
        • PURGE & RELIEF VALVE
        • STEAM ANGLE VALVE
        • FILL, MIX, & BACKFLOW VALVES
      • CONTROLS, WATER REGULATION ,ZONING
        • HYDRONIC BASEBOARD
        • HYDRONIC CONTROL
        • VALVE & ZONE PANELS
        • ZONE VALVE
  • WATER HEATER
      • GAS RESIDENTIAL
        • 6 YEAR DRAFT VENT
        • 8 YEAR DRAFT VENT
        • POWER VENT
      • ELECTRIC RESIDENTIAL
        • POINT OF USE
        • 6 YEAR
        • 8 YEAR
        • HYBRID
        • MARATHON
      • COMMERCIAL WATER HEATER
        • REG EFFICIENCY
        • HI EFFICIENCY
        • STORAGE
      • TANKLESS
        • 93% TANKLESS
        • COMBI TANKLESS
        • TANKLESS PARTS & ACCS
      • HWT PARTS & ACCS
        • HWT ANODE ROD & DIP TUBE & NIPPLES
        • HWT BLOWERS
        • HWT BURNER ASSY
        • HWT ELECTRIC ELEMENTS
        • HWT EXTENDED WARRANTY
        • HWT GAS VALVE
        • HWT IGNITORS / PILOT ASSEMBLY
        • HWT PANS
        • HWT SENSORS
        • HWT T&P & DRAIN VALVES
        • HWT THERMOCOUPLE
        • HWT THERMOSTAT
  • HEATERS
      • CONDO PACK
        • CONDO PACKS
      • WALL HEATERS
        • CONSOLE HEATER
        • DIRECT VENT COUNTER
        • DIRECT VENT
        • FLOOR FURNACE
        • VENT FREE HEATER
        • WH LP KIT
        • WH VENT EXT
        • WH PARTS & ACCS
        • WH BLOWER
        • ELECTRIC BASEBOARD
      • UNIT HEATERS
        • GARAGE
        • WAREHOUSE
        • UH PARTS & ACCS
      • RADIANT
        • BURNER KIT
        • BURNER TUBE
        • GARAGE RADIANT
  • Mini Split & Hi-Velocity
      • RAC SINGLE
        • QUANTUM 2.0 WALL
        • WINDFREE 2.0 OUT
        • WINDFREE 2.0 WALL
        • WINDFREE 2.0 MAXHEAT OUT
        • HYLEX
        • WINDFREE 3.0 OUT
        • WINDFREE 3.0 WALL
        • WINDFREE 3.0 MAX HEAT OUT
      • FJM MULTI
        • FJM 2.0 OUT
        • FJM 2.0 CEILING
        • FJM 2.0 Ducted
        • FJM 2.0 CONSOLE
      • CAC LIGHT COMM
        • CAC 2.0 Out
        • CAC 2.0 Ceiling
        • CAC Console
        • CAC Ducted
      • MS PARTS & ACCS
        • DRAIN HOSE & FITTINGS
        • MS CONDENSATE PUMPS
        • MS THERMOSTATS & CONTROL
        • WIND BAFFLES
        • POWER CORDS & WIRE
        • MS BOARDS AND CASES
        • MS MISC PARTS & ACCS
      • HI-VELOCITY EQUIP & PARTS
        • EC & PSC BLOWER MODULE
        • AC & HP COIL MODULE
        • HOT WATER COIL
        • HI-VELOCITY DRAIN PAN
        • MISC CLAMPS, CUTTERS & SCREENS
        • OUTLETS
        • HV RETURN AIR
        • SOUND ATTENUATOR & TUBING
        • HV SUPPLY AIR
        • VERTICAL PLENUM MODULE
        • HORIZ RETURN MODULE
  • Oil & Mobile Home
      • MOBILE HOME EQUIP
        • MOBILE COIL
        • Mobile Home Electric Furnace
        • MOBILE FURNACE
        • MOBILE HWT
      • MOBILE PARTS & ACCS
        • MOBILE AC KITS
        • ROOF JACKS
        • MOBILE FURNACE PART
      • OIL EQUIPMENT
        • OIL FURNACE
        • OIL BOILER
      • OIL PARTS & ACCS
        • OIL CONTROLS
        • OIL FILTERS
        • OIL IGNITOR
        • OIL MISC
        • OIL NOZZLES
        • OIL PUMPS
  • Rooftop
      • ROOFTOP PACKAGES
        • RENAISSANCE SERIES
      • ROOFTOP PARTS
        • 3 PHASE BLOWER MOTOR
        • LP & LOW AMBIENT KIT
        • ROOFTOP HARDSTART
        • ROOFTOP LOW AMBIENT KIT
        • ROOFTOP MISC PARTS
      • ROOFTOP ACCESSORIES
        • AIR DAMPER & DUCT ADAPTOR
        • ECONOMIZER
        • LP, LOW AMB, SMOKE, ENTHALPY, GMCI, ETC
        • HORIZONTAL CONVERSION
        • ROOF CURB
        • ROOFTOP TRANSITION
  • HVAC Controls
      • GAS VALVES
        • GAS VALVE
      • BOARDS & IGNITORS
        • DEFROST CONTROL
        • HVAC BOARD
        • IGNITION CONTROL
        • IGNITOR
        • THERMOCOUPLE
        • UNIVERSAL IGNITOR
      • MOTORS & CAPACITORS
        • BLOWER MOTOR
        • CAPACITOR
        • CONDENSOR MOTOR
        • INDUCER MOTOR
        • MOTOR REPAIR
        • HARD START
      • HVAC PARTS & MISC
        • CONTACTOR
        • FAN CONTROLS
        • HUMIDITY SOLENOID
        • HVAC MISC
        • LIMIT SWITCH
        • RELAY
        • TRANSFORMER
        • UNIVERSAL PRESSURE SWITCH
  • IAQ
      • THERMOSTATS
        • NON-PROG THERMOSTATS
        • PROGRAMMABLE THERMOSTAT
        • THERMOSTAT COVERS
        • THERMOSTAT MISC
        • THERMOSTAT SENSOR
        • THERMOSTAT WALL PLATE
        • WI-FI THERMOSTAT
      • ZONING
        • ZONE PANEL
        • ZONE DAMPER ROUND RETROFIT
        • ZONE ELECTRONIC BYPASS
        • ZONE DAMPER RECT BOTTOM
        • ZONE DAMPER URD
        • ZONE STAT & SENSOR
      • HUMIDIFIERS
        • HUMIDIFIER
        • HUMIDIFIER PART & ACC
      • FILTERS
        • HOG HAIR
        • HUMIDIFIER PAD
        • MEDIA FILTER
        • MEDIA CABINET
        • PLEATED 1"
        • PLEATED 2"
        • PLEATED 4"
        • THROW AWAY 1"
        • THROW AWAY 2"
      • AIR PURIFIERS & FRESH AIR
        • FRESH AIR VENTILATION
        • AIR PURIFY UNIT
        • BULBS & ACCS
  • HVAC Supply
      • PADS, PANS, & MOUNTS
        • AC PAD
        • DRAIN PAN
        • FURNACE MOUNT
        • HEAT PUMP RISER
        • VIBRATION PADS
        • STANDS & WALL BRACKETS
      • CONDENSATE PUMPS & SUPPLY
        • CONDENSATE PUMP
        • VINYL TUBING
      • SAFETY
        • DRYER
        • FREON TAMPER CAPS
        • PTRAP
        • SAFETY SWITCH
        • TEST & REPAIR
      • CONCENTRIC
        • CONCENTRIC KITS
      • HVAC MISCELLANEOUS
        • LINESET COVER
        • HOSE CLAMPS
        • FURNACE BELTS
  • DUCT
      • FLEX DUCT
        • R4.2 SILVER FLEX / SLEEVE
        • R4.2 BLACK FLEX / SLEEVE
        • R6.0 BLACK OR SILVER FLEX / SLEEVE
        • R8.0 BLACK OR SILVER FLEX / SLEEVE
      • REGISTERS
        • PLASTIC
        • SIDEWALL
        • BASEBOARD SUPPLY
        • BASEBOARD RETURN
        • FLOOR
        • FLOOR BAR
        • CEILING
        • RETURN
        • FILTER GRILLE
        • COMMERCIAL
        • MISC REGISTERS
      • WRAP & LINER
        • BUBBLE WRAP / LINER
        • LINER
        • FIBERGLASS WRAP
        • BOARD
      • B-VENT, DRYER VENT, & CHIMNEY
        • CHIMNEY LINER
        • DOUBLE WALL
        • TRIPLE WALL / ALL FUEL
        • DRYER
  • SHEET METAL
      • ROUND PIPE & FITTINGS
        • PIPE 2'
        • PIPE 5'
        • 90 ROUND ELBOW
        • 45 ROUND ELBOW
        • TEE
        • CAP / COLLAR REDUCER
        • ROUND REDUCER
        • TAKEOFFS
        • DAMPERS
        • CAPS
        • STARTING COLLAR
        • WYE
        • OVAL PIPE
        • OVAL ELBOW
      • BOOTS
        • ANGLE
        • BASEMENT
        • END
        • STRAIGHT
        • OVAL BOOT
        • OVAL STACK HEAD
      • SQUARE DUCT & FITTINGS
        • SQUARE DUCT 4'
        • SQUARE DUCT 5'
        • SQUARE DUCT 8'
        • SQUARE DUCT 90
        • SQUARE DUCT 45
        • SD REDUCERS
        • SD CAPS
        • TRANSITION TAKEOFFS
        • SD STARTING COLLAR
        • CLEATS & DRIVES & STRAP
        • WALL STACK
        • WALL STACK FITTINGS
      • KITS, PLENUMS, & FLAT SHEETS
        • COLD AIR RETURN KITS / BOOTS
        • PLENUMN
        • PLENTUM TAKEOFFS
        • FILTER RACK
        • JOIST PANNING
        • FLAT
      • COMMERICIAL & HARDWARE
        • RAIN CAPS
        • CONICAL TAKEOFFS
        • SADDLES
        • STICK ON
        • SPIRAL DUCT / FITTINGS
        • FIRE DAMPER BOOTS
        • VINYL CONNECT
        • HARDWARE / BRACKETS
        • HANGER / HARDWARE
  • P.V.F.
      • FITTINGS
        • BLACK
        • CAST IRON / GALV
        • PLASTIC DWV
        • PLASTIC SCHEDULE 40
        • PLASTIC SEWER MAIN
        • PLASTIC CPVC
        • RUBBER / NO-HUB
        • FLEXIBLE STAINLESS STEEL GAS
      • PIPE
        • BLACK NIPPLES
        • BLACK NIPPLES LONG
        • BLACK 10'
        • RANGE CONNECTOR
        • GALVANIZED NIPPLES
        • BRASS NIPPLES
        • FLEXIBLE STAINLESS STEEL GAS
        • COPPER PIPE
        • COPPER COIL
        • PLASTIC CPVC
        • PLASTIC SCH 40 / FOAM CORE
        • PIPE INSULATION
      • VALVES
        • BALL
        • CHECK
        • GAS COCKS
        • PLASTIC / CPVC VALVES
        • PRESS BALL
        • PUSH VALVE / HOSE
        • SILLCOCK / BOILER DRAIN / S&W
        • SPEEDY STOP
      • COPPER FITTINGS
        • COPPER SWEAT "ID"
        • COPPER SWEAT "OD" REFRIG
        • COPPER PUSH REFRIGERATION
        • COPPER PUSH PLUMBING
        • COPPER PRESS PLUMBING
        • BRASS
        • BRASS COMPRESSION / FLARE
        • COPPER PRESS REFRIGERATION
      • LINESETS
        • 1/2" AFLEX
        • 1/2" JMF
        • 1/2" BLACK RUBBER
        • 1/2" AFLEX FOR MINI SPLIT
  • Plumbing
      • BATH & KITCHEN SUPPLY
        • BRAIDED CONNECTORS
        • KITCHEN SINK & STRAINER ACCS
        • SHOWER SUPPLY
        • TOILET SEATS
        • TOILET SUPPLY AND RUBBER MISC
        • VITREOUS CHINA
        • UTILITY SINKS
        • WASHING MACHINE PAN & BOXES
      • FAUCETS
        • KITCHEN
        • LAVATORY
        • WATER FILTERS
      • FAUCET PARTS
        • MOEN
      • TUBULAR
        • CHROME FLANGE & ESCUTCHEON
        • CHROME MISC
        • CHROME TRAPS
        • DESANCO
        • PLASTIC TUBULAR
        • TAIL PIECE AND EXTENTIONS
      • RUBBER GOODS
        • COVERS / PLUGS
  • Gas & Chemical
      • REFRIGERATION GAS & CHEMICALS
        • FLUSH
        • FREON , R410A ETC
        • FREON CYLINDER
        • VACUMN OIL
        • LEAK SEALANT & DYE
        • REFRIG CHEMICALS MISC
      • PLUMBING & BOILER CHEMICALS
        • ALUMINUM ROOF FLANGE
        • BOILER TREATMENT
        • GLYCOL
        • FIRE & HEAT STOP
        • LEAK DETECTOR
        • PUTTY & CHAULK
        • PVC CEMENT & CLEANER
        • PLUMBING CHEMICALS MISC
        • THREAD SEALANT
      • HVAC CHEMICALS
        • COIL CLEANER
        • DESCALER
        • FURNACE CEMENT
        • GLUE & EPOXY
        • HEAT STOP
        • LEAK DETECTOR
        • ODOR REMOVER
        • PUTTY
      • TAPES, MASTIC, & CLEANERS
        • FOIL TAPE
        • CORK & FOAM TAPE
        • THREAD SEAL TAPE
        • LINESET, DUCT & ELECTRICAL TAPE
        • MASTIC
        • SEALING GUM
        • HAND CLEANER
      • SOLDER , BRUSHES & CLOTH
        • BRUSHES
        • SAND CLOTH
        • SOLDER
        • SOLDER PASTE
  • TEST & TOOL
      • HAND TOOLS
        • HAND TOOLS MISC
        • HEX & SCREW DRIVER
        • PIPE CUTTER
        • SHEET METAL TOOLS
        • TEST PLUG
        • TORCH & ACCS
        • WRENCH & PLIERS
        • PPE & SAFETY
      • POWER TOOLS
        • POWER DRILLS & DRIVERS
        • MISC POWER TOOL
        • POWER BATTERY
        • POWER PEX
        • POWER SAW
        • POWER SHEAR
        • PRESS TOOL
      • REFRIGERATION & TEST TOOLS
        • AIR & TEMPERATURE TEST
        • ELECTRONIC SCALES
        • GAS & COMBUSTION TEST
        • GAUGES, MANIFOLDS & HOSES
        • LEAK DETECTION
        • METERS, CLAMPS & ACCS
        • MOTOR TEST
        • REFRIGERATION HAND TOOLS
        • SEALS & GASKETS
        • VACUUM PUMPS & RECOVERY
      • BLADES
        • HOLE SAW
        • HOLE SAW ARBOR
        • SAW BLADE
        • VARI BIT
      • SCREWS, HANGERS & MISC
        • COMMERCIAL DUCT STRAPPING
        • STRAPING & CLAMPS
        • STUD GUARD
        • PIPE HANGER
        • SHEET METAL SCREWS
  • ELECTRICAL
      • WIRE, TUBE & WHIPS
        • ALUMINUM FLEXIBLE CONDUIT
        • EMT & CONDUIT
        • ICE MELT WIRE & ACCS
        • ROMEX & MC CABLE
        • THHN WIRE
        • THERMOSTAT WIRE
        • WHIPS
      • BOXES, SWITCHES, & RECEPTICLE
        • SWITCH, RECEPTICAL & GFCI
        • METAL ELECTRICAL BOXES AND COVERS
        • PLASTIC SWITCH COVERS
      • LIGHTING & FANS
        • FANS & EXHAUST
        • EGGCRATE
        • EXHAUST CAPS
        • LIGHT BULB
        • SMOKE & CO DETECTORS
      • BREAKERS, FUSES, & DISCONNECTS
        • BREAKERS
        • BULLET FUSES
        • DISCONNECTS
        • TIME DELAY FUSES
        • SURGE PROTECTION
      • ELECTRICAL FTGS, NUTS, TIES & MISC
        • CRIMP CONNECTORS
        • ELECTRICAL REDUCING BUSHING
        • EMT FITTINGS
        • PVC, EMT, RIGID STRAPS
        • FLEX CONNECTORS
        • GROUND ROD & CONNECTOR
        • LIQUID TIGHT CONNECTORS
        • NM NON METAL ELECTRICAL FTGS
        • WIRE NUTS & TIES
  • RED TENT
      • DAMAGED
      • DISCONTINUED ITEMS
        • EQUIPMENT
        • FITTINGS
        • OEM PARTS
        • CONTROLS
        • HYDRONIC PARTS
        • TEKMAR/ICM
        • INSULATION, SHEET METAL, AND REGISTERS
        • LINESETS AND COPPER
        • RECTORSEAL, DIVERSITECH, AND MILWAUKEE
        • ELECTRIC
        • PLUMBING
        • MISCELANNEOUS
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  • 27G87 3/5T DIFFUSER STEP DOWN

27G87 3/5T DIFFUSER STEP DOWN

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SKU: 12055-01920
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13K60 3/5T DIFFUSER STEP DOWN 27G87
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