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Air Distribution ▼
AIR GRILLES & REGISTERSB-VENT (DOUBLEWALL)DUCT FANDUCTINGINSULATIONSHEET METAL
Electrical Components ▼
CAPACITORCIRCUIT BREAKERCONDUITCONTACTORCONTROL BOARDFAN RELAYFUSESURGE PROTECTORTIME DELAY RELAYTRANSFORMERWIRE
Equipment & Systems ▼
CONDENSATE PUMPEQUIPMENTEQUIPMENT MOUNTMINISPLIT ACCESSORIES
Filters & Air Quality ▼
AIR FILTERCHEMICALSUV LIGHT
Furnace & Heating ▼
GAS VALVEIGNITOR - FURNACE
Motors & Blower Parts ▼
BLOWER MOTORBLOWER WHEELCONDENSER MOTORFAN BLADEINDUCER MOTORMOTOR MOUNT
Refrigeration ▼
COMPRESSORDRIER - REFRIGERANTEXPANSION VALVEPISTONREFRIGERANTREVERSING VALVESERVICE VALVESIGHTGLASS
Switches & Sensors ▼
DOOR SWITCHDRAIN SAFETY SWITCHFLAME SENSORHEAT SEQUENCERLIMIT SWITCHPRESSURE SWITCH - FURNACEPRESSURE SWITCH - REFRIGERANTTHERMAL LIMIT
Thermostats & Zone Controls ▼
THERMOSTATZONE SYSTEM
Tools & Supplies ▼
1/4" SERVICE CAPADHESIVEBRAZING CONSUMABLESCEILING ACCESS PANELCOPPERFASTERNERGAS PIPEOILPLASTIC DRAIN PANPVCSERVICE DISCONNECTSUPPLIESTOOLS
All parts 1,291Equipment & Systems 67Filters & Air Quality 83Air Distribution 259Furnace & Heating 39Refrigeration 67Thermostats & Zone Controls 17Switches & Sensors 132Electrical Components 224Motors & Blower Parts 129Tools & Supplies 276
REFINEFILTER BASE 17REGISTER BOOT 17REDUCER 17START COLLAR 11FLEX DUCT COUPLING 11DAMPER 10WYE 10PLENUM 9SECONDARY DRAIN PAN 5FILTER PLENUM 4HANGING STRAP 2DUCT SADDLE 2LINE SET COVER 2BOOT RAIL 1

Showing 1–48 of 119 results

  • In StockFDC05 - DUCT COUPLING
    UNIVERSAL

    FDC05 – DUCT COUPLING

    SKU · 5855
    $3.50

    5″ galvanized round duct coupling. Connects two pieces of flex duct together or joins flex duct to a metal collar. Standard slip-fit connection.

  • Low Stock13.5X19.5X36R6 - PLENUM (USE 13X19 IF AVAIL)
    UNIVERSAL

    13.5X19.5X36R6 – PLENUM (USE 13X19 IF AVAIL)

    SKU · 0872613419436
    $102.65

    13.5″ x 19.5″ x 36″ R6 insulated galvanized plenum. Connects your air handler or cased coil to the ductwork. Lined with fiberglass insulation to reduce noise and sweating.

  • In StockEAFHE1620-6 - FILTER BASE (16W x 20D - 1, 2, or 4 FILTER, ELECTRIC)
    UNIVERSAL

    EAFHE1620-6 – FILTER BASE (16″W x 20″D – 1″, 2″, or 4″ FILTER, ELECTRIC)

    SKU · ACE1620-6
    $91.56

    EAFHE1620-6 filter base for electric air handlers, 16×20 filter size. Accepts 1″, 2″, or 4″ thick filters. Insulated housing with magnetic door latch. Up to 5 tons.

  • In Stock30005 - DAMPER (5 W/ KEY)
    UNIVERSAL

    30005 – DAMPER (5″ W/ KEY)

    SKU · SHMD2HS
    $6.43

    5″ round duct damper with key handle. Controls airflow to individual rooms by opening or closing the damper blade. Galvanized steel.

  • In StockFDS1 - FLEX DUCT SUPPORT
    UNIVERSAL

    FDS1 – FLEX DUCT SUPPORT

    SKU · FDS1
    $6.58

    Malco FDS1 flexible duct support. Prevents flex duct from sagging and restricting airflow. Fits 4″ to 16″ duct. Recycled polymer, installs with zip ties.

  • Out of StockRABOX-1425 - RETURN AIR BOX - DUCT BOARD TOP
    UNIVERSAL

    RABOX-1425 – RETURN AIR BOX – DUCT BOARD TOP

    SKU · RABOX-1425 - RETURN AIR BOX
    $43.34

    Insulated return air box, 14×25 opening with ductboard top. Connects return grilles to round ductwork — cut the top on-site to match your duct size. Galvanized steel.

  • In Stock30012 - DAMPER (12 W/ KEY)
    UNIVERSAL

    30012 – DAMPER (12″ W/ KEY)

    SKU · SHMD2H12
    $8.39

    12″ round duct damper with key handle. Controls airflow to individual rooms by opening or closing the damper blade. Galvanized steel.

  • Low StockDFP1625 - FILTER PLENUM
    UNIVERSAL

    DFP1625 – FILTER PLENUM

    SKU · DFP1625
    $128.12

    Insulated filter plenum, 16″ x 25″ opening, 30″ long. Attaches to your furnace or air handler and holds up to a 4″ filter. R-6 lined interior.

  • In Stock4000807 - REDUCER
    UNIVERSAL

    4000807 – REDUCER

    SKU · 40078
    $10.53

    Galvanized duct reducer, 8″ to 7″. Transitions between two different round duct sizes in a supply or return run. Crimped end for easy connection.

  • Low StockLSC4 - LINE SET COVER (4x4x4x10)
    UNIVERSAL

    LSC4 – LINE SET COVER (4x4x4x10′)

    SKU · LSC4
    $51.92

    Galvanized metal line set cover, 4″ x 4″ x 4″, 10 feet long. Covers and protects refrigerant copper lines running along the outside of the house. Includes flange mounts and cap.

  • Low StockF100F1625/U - FILTER RACK (16 x 25)
    UNIVERSAL

    F100F1625/U – FILTER RACK (16″ x 25″)

    SKU · F100F1625/U
    $132.00

    Honeywell F100F1625/U media air cleaner, 16×25. MERV 11 rated, captures particles down to 0.3 microns. 1,400 CFM capacity. Whole-house filtration upgrade.

  • In Stock4000908 - REDUCER
    UNIVERSAL

    4000908 – REDUCER

    SKU · 40089
    $11.05

    Galvanized duct reducer, 9″ to 8″. Transitions between two different round duct sizes in a supply or return run. Crimped end for easy connection.

  • In StockEAFHG1425-6 - FILTER BASE (14W x 25D - 1, 2, or 4 FILTER, GAS)
    UNIVERSAL

    EAFHG1425-6 – FILTER BASE (14″W x 25″D – 1″, 2″, or 4″ FILTER, GAS)

    SKU · EZ-1425S
    $91.56

    EAFHG1425-6 filter base for gas furnaces, 14×25 filter size. Accepts 1″, 2″, or 4″ thick filters. Insulated housing with magnetic door latch. Up to 5 tons.

  • Low StockEAFHE2025-6 - FILTER BASE (25W x 20D - 1, 2, or 4 FILTER, ELECTRIC)
    UNIVERSAL

    EAFHE2025-6 – FILTER BASE (25″W x 20″D – 1″, 2″, or 4″ FILTER, ELECTRIC)

    SKU · EZ-2025-FCS
    $96.14

    EAFHE2025-6 filter base for electric air handlers, 20×25 filter size. Accepts 1″, 2″, or 4″ thick filters. Insulated housing with magnetic door latch. Up to 5 tons.

  • In Stock30014 - DAMPER (14 W/ KEY)
    UNIVERSAL

    30014 – DAMPER (14″ W/ KEY)

    SKU · SHMD2H14
    $10.79

    14″ round duct damper with key handle. Controls airflow to individual rooms by opening or closing the damper blade. Galvanized steel.

  • In StockBOOT1288 - INSULATED REGISTER BOOT (12X8-8)
    UNIVERSAL

    BOOT1288 – INSULATED REGISTER BOOT (12X8-8)

    SKU · 641R8128
    $24.65

    Insulated galvanized register boot, 12×8 opening with 8″ round duct connection. Internally lined to reduce condensation and noise. Fits standard 12×8 floor or wall registers.

  • Low StockBOOT126 - NO HOLE - DUCTBOARD TOP
    UNIVERSAL

    BOOT126 – NO HOLE – DUCTBOARD TOP

    SKU · 670126
    $20.13

    Insulated register boot with ductboard top — 12×6 register opening, no pre-cut hole. Cut your own duct opening on-site to match any round duct size. Galvanized steel.

  • In StockLSCC - CAP ONLY - LINE SET COVER
    UNIVERSAL

    LSCC – CAP ONLY – LINE SET COVER

    SKU · MP-LSCC
    $10.01

    End cap for galvanized metal line set cover. Provides a finished look at the end of the line set cover run. Sold individually.

  • In StockFDC08 - DUCT COUPLING
    UNIVERSAL

    FDC08 – DUCT COUPLING

    SKU · 5858
    $4.03

    8″ galvanized round duct coupling. Connects two pieces of flex duct together or joins flex duct to a metal collar. Standard slip-fit connection.

  • Low StockEAFHE2020-6 - FILTER BASE (20 x 20 -1, 2, or 4 FILTER, ELECTRIC)
    UNIVERSAL

    EAFHE2020-6 – FILTER BASE (20″ x 20″ -1″, 2″, or 4″ FILTER, ELECTRIC)

    SKU · EZ-2020-FCS
    $94.91

    EAFHE2020-6 filter base for electric air handlers, 20×20 filter size. Accepts 1″, 2″, or 4″ thick filters. Insulated housing with magnetic door latch. Up to 5 tons.

  • In StockFS18 - START COLLAR
    UNIVERSAL

    FS18 – START COLLAR

    SKU · 52518
    $6.18

    18″ galvanized start collar for connecting round duct to a sheet metal or ductboard plenum. Crimped end for easy duct attachment. Standard residential HVAC ductwork fitting.

  • In StockFS6 - START COLLAR
    UNIVERSAL

    FS6 – START COLLAR

    SKU · 5256
    $3.08

    6″ galvanized start collar for connecting round duct to a sheet metal or ductboard plenum. Crimped end for easy duct attachment. Standard residential HVAC ductwork fitting.

  • In StockBOOT845 - INSULATED REGISTER BOOT (8X4-5)
    UNIVERSAL

    BOOT845 – INSULATED REGISTER BOOT (8X4-5)

    SKU · 641R485
    $16.60

    Insulated galvanized register boot, 8×4 opening with 5″ round duct connection. Internally lined to reduce condensation and noise. Compact size for smaller registers.

  • In StockEAFHG2025-2 - FILTER BASE (20W x 25D - 1 FILTER, GAS)
    UNIVERSAL

    EAFHG2025-2 – FILTER BASE (20″W x 25″D – 1″ FILTER, GAS)

    SKU · EZ-2025
    $84.23

    EAFHG2025-2 filter base for gas furnaces, 20×25 filter size. Accepts a 1″ thick filter. Insulated housing with magnetic door latch. Up to 5 tons.

  • In StockDP6030 - DRAIN PAN (DRAIN ON 60)
    UNIVERSAL

    DP6030 – DRAIN PAN – 3.5 to 4 TON ELECTRIC AIR HANDLER (DRAIN ON 60″)

    SKU · DP6030
    $54.88

    Galvanized secondary drain pan, 60″ x 30″, with drain on the 60″ (long) side. Catches overflow under your indoor coil or air handler. Fits 4- to 5-ton units.

  • In StockFS14 - START COLLAR
    UNIVERSAL

    FS14 – START COLLAR

    SKU · 52514
    $5.09

    14″ galvanized start collar for connecting round duct to a sheet metal or ductboard plenum. Crimped end for easy duct attachment. Standard residential HVAC ductwork fitting.

  • In StockBOOT1066 - INSULATED REGISTER BOOT (10X6-6)
    UNIVERSAL

    BOOT1066 – INSULATED REGISTER BOOT (10X6-6)

    SKU · 641R6106
    $18.24

    Insulated galvanized register boot, 10×6 opening with 6″ round duct connection. Internally lined to reduce condensation and noise. Standard residential size.

  • In StockFDC10 - DUCT COUPLING
    UNIVERSAL

    FDC10 – DUCT COUPLING

    SKU · 58510
    $4.45

    10″ galvanized round duct coupling. Connects two pieces of flex duct together or joins flex duct to a metal collar. Standard slip-fit connection.

  • In Stock4000806 - REDUCER
    UNIVERSAL

    4000806 – REDUCER

    SKU · 40068
    $10.59

    Galvanized duct reducer, 8″ to 6″. Transitions between two different round duct sizes in a supply or return run. Crimped end for easy connection.

  • In StockBOOTRAIL - EACH
    UNIVERSAL

    BOOTRAIL – EACH

    SKU · BOOT RAILS
    $0.96

    Galvanized steel boot rail, sold individually. Used to mount register boots to floor joists in HVAC duct installations. Simple L-shaped support bracket.

  • In StockFDC07 - DUCT COUPLING
    UNIVERSAL

    FDC07 – DUCT COUPLING

    SKU · 5857
    $3.80

    7″ galvanized round duct coupling. Connects two pieces of flex duct together or joins flex duct to a metal collar. Standard slip-fit connection.

  • Low StockRABOX-1625 - RETURN AIR BOX - DUCT BOARD TOP
    UNIVERSAL

    RABOX-1625 – RETURN AIR BOX – DUCT BOARD TOP

    SKU · RABOX-1625
    $43.34

    Insulated return air box, 16×25 opening with ductboard top. Connects return grilles to round ductwork — cut the top on-site to match your duct size. Galvanized steel.

  • In StockFDC18 - DUCT COUPLING
    UNIVERSAL

    FDC18 – DUCT COUPLING

    SKU · 58518
    $9.16

    18″ galvanized round duct coupling. Connects two pieces of flex duct together or joins flex duct to a metal collar. Standard slip-fit connection.

  • In StockEAFHE2025-2 - FILTER BASE (25W x 20D - 1 FILTER, ELECTRIC)
    UNIVERSAL

    EAFHE2025-2 – FILTER BASE (25″W x 20″D – 1″ FILTER, ELECTRIC)

    SKU · EZ-2025-FCn
    $85.00

    EAFHE2025-2 filter base for electric air handlers, 20×25 filter size. Accepts a 1″ thick filter. Insulated housing with magnetic door latch. Up to 5 tons.

  • In Stock4001209 - REDUCER
    UNIVERSAL

    4001209 – REDUCER

    SKU · 400912
    $12.80

    Galvanized duct reducer, 12″ to 9″. Transitions between two different round duct sizes in a supply or return run. Crimped end for easy connection.

  • Out of StockRABOX-2020 - RETURN AIR BOX - DUCT BOARD TOP
    UNIVERSAL

    RABOX-2020 – RETURN AIR BOX – DUCT BOARD TOP

    SKU · RABOX-2020
    $43.13

    Insulated return air box, 20×20 opening with ductboard top. Connects return grilles to round ductwork — cut the top on-site to match your duct size. Galvanized steel.

  • In Stock4000604 - REDUCER
    UNIVERSAL

    4000604 – REDUCER

    SKU · 40046
    $9.09

    Galvanized duct reducer, 6″ to 4″. Transitions between two different round duct sizes in a supply or return run. Crimped end for easy connection.

  • In StockFS16 - START COLLAR
    UNIVERSAL

    FS16 – START COLLAR

    SKU · 52516
    $5.09

    16″ galvanized start collar for connecting round duct to a sheet metal or ductboard plenum. Crimped end for easy duct attachment. Standard residential HVAC ductwork fitting.

  • In StockEAFHG1625-6 - FILTER BASE (16W x 25D - 1, 2, or 4 FILTER, GAS)
    UNIVERSAL

    EAFHG1625-6 – FILTER BASE (16″W x 25″D – 1″, 2″, or 4″ FILTER, GAS)

    $91.56

    The EAFHG1625-6 Filter Base securely houses 16″ x 25″ filters in 1″, 2″, or 4″ thicknesses for gas furnaces up to 5 tons, improving air quality and system efficiency.

  • In StockFS7 - START COLLAR
    UNIVERSAL

    FS7 – START COLLAR

    SKU · 5257
    $3.18

    7″ galvanized start collar for connecting round duct to a sheet metal or ductboard plenum. Crimped end for easy duct attachment. Standard residential HVAC ductwork fitting.

  • In Stock4001009 - REDUCER
    UNIVERSAL

    4001009 – REDUCER

    SKU · 400910
    $11.48

    Galvanized duct reducer, 10″ to 9″. Transitions between two different round duct sizes in a supply or return run. Crimped end for easy connection.

  • In StockFS8 - START COLLAR
    UNIVERSAL

    FS8 – START COLLAR

    SKU · 5258
    $3.39

    8″ galvanized start collar for connecting round duct to a sheet metal or ductboard plenum. Crimped end for easy duct attachment. Standard residential HVAC ductwork fitting.

  • Low StockEAFHE1620-2 - FILTER BASE (16W x 20D - 1 FILTER, ELECTRIC)
    UNIVERSAL

    EAFHE1620-2 – FILTER BASE (16″W x 20″D – 1″ FILTER, ELECTRIC)

    SKU · EZ-1620-FC
    $82.71

    EAFHE1620-2 filter base for electric air handlers, 16×20 filter size. Accepts a 1″ thick filter. Insulated housing with magnetic door latch. Up to 5 tons.

  • Out of StockDP3030 - DRAIN PAN
    UNIVERSAL

    DP3030 – DRAIN PAN

    SKU · 0603030
    $41.86

    Galvanized secondary drain pan, 30″ x 30″. Sits under your indoor coil or air handler to catch overflow if the primary drain clogs. Prevents water damage.

  • In StockFDC12 - DUCT COUPLING
    UNIVERSAL

    FDC12 – DUCT COUPLING

    SKU · 58512
    $5.03

    12″ galvanized round duct coupling. Connects two pieces of flex duct together or joins flex duct to a metal collar. Standard slip-fit connection.

  • In Stock30010 - DAMPER (10 W/ KEY)
    UNIVERSAL

    30010 – DAMPER (10″ W/ KEY)

    SKU · SHMD2H10
    $7.67

    10″ round duct damper with key handle. Controls airflow to individual rooms by opening or closing the damper blade. Galvanized steel.

  • Low StockWYE666
    UNIVERSAL

    WYE666

    SKU · WYE666
    $22.25

    6″ x 6″ x 6″ galvanized duct wye. Splits one 6″ round duct into two equal 6″ branches. Standard fitting for residential HVAC ductwork.

  • Out of StockCP-ID7825 - INSULATED METAL SHEET (30x48)
    UNIVERSAL

    CP-ID7825 – INSULATED METAL SHEET (30″x48″)

    SKU · CP-ID7825
    $62.13

    30″x48″ insulated metal sheet, 26-gauge steel with 1/2″ insulation liner (R-2). Use for building or patching plenums and ductwork. Cut to size with tin snips.

Showing 48 of 119 parts
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