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Air ToolsBathroom PlumbingConduits and FittingsDeckingDimmers, Switches, and Wall PlatesDoor HardwareDoor WeatherproofingElectrical ToolsFastenersFireplacesGuttering & DrainageHand ToolsHVAC Ducting and VentilationKitchen PlumbingOutdoor DrainagePipes, Fittings & AccessoriesPlumbing Tools & AccessoriesPressure WashersPro ToolsRoofingShop Plumbing by FixtureSolderingStovesValves & Valve RepairWater Filtration & Water SoftenersWater Heaters
Pipe Reducer(1000+)
Uses item details. Price when purchased online
Repa Market 6" to 4" Round Plastic Duct Reducer - PVC Pipe Increaser, HVAC Exhaust, Intake From $7.95 Was $9.95

Sponsored
From$795
$9.95
Repa Market 6" to 4" Round Plastic Duct Reducer - PVC Pipe Increaser, HVAC Exhaust, Intake
Save with
5 Pcs XFITTING Pex 1 inch x 3/4 Inch Pex Reducing Elbow Crimp Fitting, 25-4-8=5X $19.99

Sponsored
$1999
current price $19.995 Pcs XFITTING Pex 1 inch x 3/4 Inch Pex Reducing Elbow Crimp Fitting, 25-4-8=5X
5 Pcs XFITTING Pex 3/4 Inch x 1/2 Inch Pex Reducing Elbow Crimp Fitting, 25-4-7=5X $12.85

Sponsored
$1285
current price $12.855 Pcs XFITTING Pex 3/4 Inch x 1/2 Inch Pex Reducing Elbow Crimp Fitting, 25-4-7=5X
Repa Market 5" to 4" Round Plastic Duct Reducer - PVC Pipe Increaser, HVAC Exhaust, Intake Was $9.95

3 options
Available in additional 3 optionsRepa Market 5" to 4" Round Plastic Duct Reducer - PVC Pipe Increaser, HVAC Exhaust, Intake
Save with
Imperial Manufacturing Group Furnace Pipe Reducer - Galvanized Steel - 6 in D x 4 in D $18.29 Was $24.87

Now$1829
current price Now $18.29, Was $24.87$24.87
Imperial Manufacturing Group Furnace Pipe Reducer - Galvanized Steel - 6 in D x 4 in D
Manufacturer Varies PVC Reducer, Hub, 4 in x 2 in Pipe Size 1WKJ4 $18.89 Was $28.88

Now$1889
current price Now $18.89, Was $28.88$28.88
Manufacturer Varies PVC Reducer, Hub, 4 in x 2 in Pipe Size 1WKJ4
Imperial BM0075/6X5-611 Stove Pipe Reducer, 6" x 5" $22.73 Was $51.17

Now$2273
current price Now $22.73, Was $51.17$51.17
Imperial BM0075/6X5-611 Stove Pipe Reducer, 6" x 5"
GV1750 7 x 5 in. Furnace Pipe Reducer $21.22 Was $27.64

Now$2122
current price Now $21.22, Was $27.64$27.64
GV1750 7 x 5 in. Furnace Pipe Reducer
Reducer Reducer, 1" x 3/8" Pipe, FNPT, Malleable Iron, Class 300 $14.18

$1418
current price $14.18Reducer Reducer, 1" x 3/8" Pipe, FNPT, Malleable Iron, Class 300
Duct Reducer, 3" to 2" HVAC Duct Reducer and Increaser Weld Pipe Fittings Pipe 304 Stainless From $8.99

Sponsored
From$899
Duct Reducer, 3" to 2" HVAC Duct Reducer and Increaser Weld Pipe Fittings Pipe 304 Stainless
Unique Bargains 13mm Male x 12mm Female Thread Brass Reducing Fitting Adapter Connector $6.99

Sponsored
$699
current price $6.99Unique Bargains 13mm Male x 12mm Female Thread Brass Reducing Fitting Adapter Connector
Pipe Fitting Reducing Adapter, G3/4" x 3/4" NPT Reducer Connector, Silver $13.79

$1379
current price $13.79Pipe Fitting Reducing Adapter, G3/4" x 3/4" NPT Reducer Connector, Silver
3 each: Imperial Black Pipe Reducer BM0079 $70.13

$7013
current price $70.133 each: Imperial Black Pipe Reducer BM0079
Reducer Reducer, 1" x 3/4" Pipe, FNPT, Black Forged Steel, Class 3000 $18.95

$1895
current price $18.95Reducer Reducer, 1" x 3/4" Pipe, FNPT, Black Forged Steel, Class 3000
Flo Supply 1/2" NPT Male To 1/4" NPT Pipe Reducer $9.99

$999
current price $9.99Flo Supply 1/2" NPT Male To 1/4" NPT Pipe Reducer
Reducer Reducer, 2" x 1" Pipe, FNPT, Black Forged Steel, Class 3000 $39.06

$3906
current price $39.06Reducer Reducer, 2" x 1" Pipe, FNPT, Black Forged Steel, Class 3000
Reducer Coupling Reducer, 1-1/4" x 3/4" Pipe, FNPT, Malleable Iron, Class 300 $22.15 Was $25.99

Now$2215
current price Now $22.15, Was $25.99$25.99
Reducer Coupling Reducer, 1-1/4" x 3/4" Pipe, FNPT, Malleable Iron, Class 300
Imperial GV0808-A Furnace Pipe Reducer, 4 in x 3 in, Grey, Each $13.52 Was $21.05

Now$1352
current price Now $13.52, Was $21.05$21.05
Imperial GV0808-A Furnace Pipe Reducer, 4 in x 3 in, Grey, Each
Imperial 6 in. D X 3 in. D Galvanized Steel Furnace Pipe Reducer Was $44.02

Imperial 6 in. D X 3 in. D Galvanized Steel Furnace Pipe Reducer
15 out of 5 Stars. 1 reviews
(1) EZ-Fluid 1/4" Comp. x 1/4" MIP Male Adapter Reducing Union Coupling Fittings Connector,Compression x NPT,LF Brass Compression Tube Fitting Safe for Drinking water Plumbing $7.11

Sponsored
$711
current price $7.11(1) EZ-Fluid 1/4" Comp. x 1/4" MIP Male Adapter Reducing Union Coupling Fittings Connector,Compression x NPT,LF Brass Compression Tube Fitting Safe for Drinking water Plumbing
(1) EZ-Fluid 3/8" Comp. x 3/8" MIP Male Adapter Reducing Union Coupling Fittings Connector,Compression x NPT,LF Brass Compression Tube Fitting Safe for Drinking water Plumbing $7.51

Sponsored
$751
current price $7.51(1) EZ-Fluid 3/8" Comp. x 3/8" MIP Male Adapter Reducing Union Coupling Fittings Connector,Compression x NPT,LF Brass Compression Tube Fitting Safe for Drinking water Plumbing
Charlotte Pipe Reducer Coupling Abs/Dwv 2" X 1-1/2" Black $7.49 Was $10.99

Now$749
current price Now $7.49, Was $10.99$10.99
Charlotte Pipe Reducer Coupling Abs/Dwv 2" X 1-1/2" Black
Reducing Pipe Fitting - Reducer Hex Nipple - 1 X 3/4 BSP Male Connector Zinc Finish Plating 2 Pcs $21.19

$2119
current price $21.19Reducing Pipe Fitting - Reducer Hex Nipple - 1 X 3/4 BSP Male Connector Zinc Finish Plating 2 Pcs
Uxcell Concentric Reducer, 2 1/2" to 1 1/4" HVAC Duct Reducer and Increaser Weld Pipe Fittings Pipe Stainless From $8.99

27 options
Available in additional 27 optionsFrom$899
Uxcell Concentric Reducer, 2 1/2" to 1 1/4" HVAC Duct Reducer and Increaser Weld Pipe Fittings Pipe Stainless
Reducer Reducer, 1" x 1/2" Pipe, FNPT, Malleable Iron, Class 300 $15.82

$1582
current price $15.82Reducer Reducer, 1" x 1/2" Pipe, FNPT, Malleable Iron, Class 300
1PC Chimney Pipe Reducer Stainless Steel Flue Pipe Reducer Tubing Connector Chimney Adaptor ConversionJoint For Connecting Pipes From $9.44

12 options
Available in additional 12 optionsFrom$944
1PC Chimney Pipe Reducer Stainless Steel Flue Pipe Reducer Tubing Connector Chimney Adaptor ConversionJoint For Connecting Pipes
6 Pcs to 4 Inch Duct Reducer Increaser ABS Air Adapter Fan or Dryer Vent Pipe Connector, White $19.11

$1911
current price $19.116 Pcs to 4 Inch Duct Reducer Increaser ABS Air Adapter Fan or Dryer Vent Pipe Connector, White
Imperial 8 in. D X 6 in. D Galvanized Steel Furnace Pipe Reducer $21.77

$2177
current price $21.77Imperial 8 in. D X 6 in. D Galvanized Steel Furnace Pipe Reducer
Manufacturer Varies PVC Reducer, MNPT x Socket, 1 1/2 in x 2 in Pipe Size 436213 $12.35

$1235
current price $12.35Manufacturer Varies PVC Reducer, MNPT x Socket, 1 1/2 in x 2 in Pipe Size 436213
(1Pk) EZ-Fluid 1/4" Comp x 1/4" FIP Compression x FIP Female Adapter Reducing Union Coupling Fittings Connector,LF Brass Compression Tube Fitting Safe for Drinking water Plumbing $7.41

Sponsored
$741
current price $7.41(1Pk) EZ-Fluid 1/4" Comp x 1/4" FIP Compression x FIP Female Adapter Reducing Union Coupling Fittings Connector,LF Brass Compression Tube Fitting Safe for Drinking water Plumbing
(1Pk) EZ-Fluid 1/4" Comp x 3/8" FIP Compression x FIP Female Adapter Reducing Union Coupling Fittings Connector,LF Brass Compression Tube Fitting Safe for Drinking water Plumbing $7.55

Sponsored
$755
current price $7.55(1Pk) EZ-Fluid 1/4" Comp x 3/8" FIP Compression x FIP Female Adapter Reducing Union Coupling Fittings Connector,LF Brass Compression Tube Fitting Safe for Drinking water Plumbing
Charlotte Pipe ABS001021400HA Abs/Dwv Reducer Coupling, 3" x 3" $15.09 Was $30.59

Now$1509
current price Now $15.09, Was $30.59$30.59
Charlotte Pipe ABS001021400HA Abs/Dwv Reducer Coupling, 3" x 3"
Reducer Reducer, 2" x 3/4" Pipe, FNPT, Black Forged Steel, Class 3000 $54.44

$5444
current price $54.44Reducer Reducer, 2" x 3/4" Pipe, FNPT, Black Forged Steel, Class 3000
Reducer Reducer, 1-1/4" x 1" Pipe, FNPT, Malleable Iron, Class 150 $11.95

$1195
current price $11.95Reducer Reducer, 1-1/4" x 1" Pipe, FNPT, Malleable Iron, Class 150
35 out of 5 Stars. 3 reviews
Reducer Reducer, 1/2" x 1/4" Pipe, FNPT, Black Forged Steel, Class 3000 $13.30

$1330
current price $13.30Reducer Reducer, 1/2" x 1/4" Pipe, FNPT, Black Forged Steel, Class 3000
POWERTEC 4-Inch to 2-1/2-Inch Reducer (70104) $8.29

$829
current price $8.29POWERTEC 4-Inch to 2-1/2-Inch Reducer (70104)
2 Pcs 6 to 4 Inch Duct Reducer Increaser ABS Air Adapter Fan or Dryer Vent Pipe Connector, White $10.10

$1010
current price $10.102 Pcs 6 to 4 Inch Duct Reducer Increaser ABS Air Adapter Fan or Dryer Vent Pipe Connector, White
Reducer Reducer, 3/4" x 1/2" Pipe, FNPT, Malleable Iron, Class 300 $12.35

$1235
current price $12.35Reducer Reducer, 3/4" x 1/2" Pipe, FNPT, Malleable Iron, Class 300
Uxcell 1/2" x 1/4" x 1/2" ID Reducing Tee Copper Fitting, 3pcs Copper Pipe Tube Connector Adapter Reducer $10.49

$1049
current price $10.49Uxcell 1/2" x 1/4" x 1/2" ID Reducing Tee Copper Fitting, 3pcs Copper Pipe Tube Connector Adapter Reducer
Uxcell Stainless Steel Reducer Hex Bushing, Pipe Reducing Adapter Fitting Connector 3/8" BSPT Male to 1/4" BSPT 2 From $7.99

10 options
Available in additional 10 optionsFrom$799
Uxcell Stainless Steel Reducer Hex Bushing, Pipe Reducing Adapter Fitting Connector 3/8" BSPT Male to 1/4" BSPT 2
1 x 3/8" 304 Stainless Steel Pipe Reducer Coupling $35.64

$3564
current price $35.641 x 3/8" 304 Stainless Steel Pipe Reducer Coupling
US Hardware Furnace Pipe Reducer Taper Style - Galvanized Metal - 1 Piece, 10" x 8" $28.67

$2867
current price $28.67US Hardware Furnace Pipe Reducer Taper Style - Galvanized Metal - 1 Piece, 10" x 8"
Reducer Reducer, 3/4" x 3/8" Pipe, FNPT, Black Forged Steel, Class 3000 $12.06 $12.06/1

$1206
current price $12.06$12.06/1
Reducer Reducer, 3/4" x 3/8" Pipe, FNPT, Black Forged Steel, Class 3000
Pipe Fittings - Galvanized Malleable Iron - Class 150 - Reducers - 3/8" x 1/4" BSPT Female $19.84

$1984
current price $19.84Pipe Fittings - Galvanized Malleable Iron - Class 150 - Reducers - 3/8" x 1/4" BSPT Female
Reducer Reducer, 2" x 1" Pipe, FNPT, Malleable Iron, Class 150 $14.29 Was $17.99

Now$1429
current price Now $14.29, Was $17.99$17.99
Reducer Reducer, 2" x 1" Pipe, FNPT, Malleable Iron, Class 150
15 out of 5 Stars. 1 reviews
Reducer Reducer, 1-1/4" x 1" Pipe, FNPT, Malleable Iron, Class 300 $17.98

$1798
current price $17.98Reducer Reducer, 1-1/4" x 1" Pipe, FNPT, Malleable Iron, Class 300
Copper reducer pipe for Cold storage variable diameter From $28.95

11 options
Available in additional 11 optionsFrom$2895
Copper reducer pipe for Cold storage variable diameter
Reducer Reducer, 3" x 1" Pipe, FNPT, Malleable Iron, Class 150 $26.45

$2645
current price $26.45Reducer Reducer, 3" x 1" Pipe, FNPT, Malleable Iron, Class 150
9 Dia. x 8 in. Dia. Galvanized Steel Furnace Pipe Reducer $22.91 Was $27.18

Now$2291
current price Now $22.91, Was $27.18$27.18
9 Dia. x 8 in. Dia. Galvanized Steel Furnace Pipe Reducer
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