Pipe Reducer

Uses item details. Price when purchased online

Van Enterprises 2" to 1.5" Reducer Male Nipple Fitting Adapter - Octagon - MNPT - Schedule 80 $8.25

Van Enterprises 2" to 1.5" Reducer Male Nipple Fitting Adapter - Octagon - MNPT - Schedule 80
Sponsored
current price $8.25

Van Enterprises 2" to 1.5" Reducer Male Nipple Fitting Adapter - Octagon - MNPT - Schedule 80

Repa Market 6" to 4" Round Plastic Duct Reducer - PVC Pipe Increaser, HVAC Exhaust, Intake From $7.95

Repa Market 6" to 4" Round Plastic Duct Reducer - PVC Pipe Increaser, HVAC Exhaust, Intake
Sponsored
From$795

Repa Market 6" to 4" Round Plastic Duct Reducer - PVC Pipe Increaser, HVAC Exhaust, Intake

Unique Bargains 3.5" OD to 5" OD Mandrel Exhaust Bend Elbow Concentric Reducer 201 Stainless Steel Pipe Adapter 5 inch Length Silver Tone $23.89

Unique Bargains 3.5" OD to 5" OD Mandrel Exhaust Bend Elbow Concentric Reducer 201 Stainless Steel Pipe Adapter 5 inch Length Silver Tone
Sponsored
current price $23.89

Unique Bargains 3.5" OD to 5" OD Mandrel Exhaust Bend Elbow Concentric Reducer 201 Stainless Steel Pipe Adapter 5 inch Length Silver Tone

Repa Market 4" to 3" Inch Round Galvanized Steel Duct Reducer - Pipe Increaser Reducer From $12.95

Repa Market 4" to 3" Inch Round Galvanized Steel Duct Reducer - Pipe Increaser Reducer
Sponsored
From$1295

Repa Market 4" to 3" Inch Round Galvanized Steel Duct Reducer - Pipe Increaser Reducer

Imperial GV1749 HVAC Duct Pipe Taper Reducer, Galvanized, 24 Gauge, 6 x 3 In. - Quantity 1 $20.48

Imperial GV1749 HVAC Duct Pipe Taper Reducer, Galvanized, 24 Gauge, 6 x 3 In. - Quantity 1
current price $20.48

Imperial GV1749 HVAC Duct Pipe Taper Reducer, Galvanized, 24 Gauge, 6 x 3 In. - Quantity 1

5 out of 5 stars
5 out of 5 Stars. 2 reviews

All Tool Depot Brass Reducer Hex Bushing Threaded Pipe Fitting 1/2" NPT Male x 1/4" NPT Female Adapter (1 Pack) $7.98

All Tool Depot Brass Reducer Hex Bushing Threaded Pipe Fitting 1/2" NPT Male x 1/4" NPT Female Adapter (1 Pack)
current price $7.98

All Tool Depot Brass Reducer Hex Bushing Threaded Pipe Fitting 1/2" NPT Male x 1/4" NPT Female Adapter (1 Pack)

5 out of 5 stars
5 out of 5 Stars. 1 reviews

Genova Products 70142 Charlotte 2 x 4 Pipe Increaser Reducer DWV (Drain, Waste and Vent) (1 Unit Piece), 4" x 2" $17.21

Genova Products 70142 Charlotte 2 x 4 Pipe Increaser Reducer DWV (Drain, Waste and Vent) (1 Unit Piece), 4" x 2"
current price $17.21

Genova Products 70142 Charlotte 2 x 4 Pipe Increaser Reducer DWV (Drain, Waste and Vent) (1 Unit Piece), 4" x 2"

TAISHER 5PCS 304 Stainless Steel Reducer Hex Bushing, 3/4" NPT Male x 1/2" NPT Female, Reducing Pipe Adapter Fitting From $11.49

TAISHER 5PCS 304 Stainless Steel Reducer Hex Bushing, 3/4" NPT Male x 1/2" NPT Female, Reducing Pipe Adapter Fitting
Available in additional 7 options
From$1149

TAISHER 5PCS 304 Stainless Steel Reducer Hex Bushing, 3/4" NPT Male x 1/2" NPT Female, Reducing Pipe Adapter Fitting

3 out of 5 stars
3 out of 5 Stars. 1 reviews

Imperial Manufacturing Group Furnace Pipe Reducer - Galvanized Steel - 5 in x 6 in $19.67

Imperial Manufacturing Group Furnace Pipe Reducer - Galvanized Steel - 5 in x 6 in
current price $19.67

Imperial Manufacturing Group Furnace Pipe Reducer - Galvanized Steel - 5 in x 6 in

Repa Market 4" to 3" Inch Round Galvanized Steel Duct Reducer - Pipe Increaser Reducer From $12.95

Repa Market 4" to 3" Inch Round Galvanized Steel Duct Reducer - Pipe Increaser Reducer
Available in additional 11 options
From$1295

Repa Market 4" to 3" Inch Round Galvanized Steel Duct Reducer - Pipe Increaser Reducer

Reducing Nipple 3" x 2" Male NPT, 5 Pack From $10.94

Reducing Nipple 3" x 2" Male NPT, 5 Pack
Sponsored
From$1094

Reducing Nipple 3" x 2" Male NPT, 5 Pack

5 out of 5 stars
5 out of 5 Stars. 3 reviews

5 Pcs XFITTING Pex 1 inch x 3/4 Inch Pex Reducing Elbow Crimp Fitting, 25-4-8=5X $19.99

5 Pcs XFITTING Pex 1 inch x 3/4 Inch Pex Reducing Elbow Crimp Fitting, 25-4-8=5X
Sponsored
current price $19.99

5 Pcs XFITTING Pex 1 inch x 3/4 Inch Pex Reducing Elbow Crimp Fitting, 25-4-8=5X

Repa Market 3" up to 6" Inch Duct Reducer-Increaser - Plastic Pipe Connector, Adapter From $7.95

Repa Market 3" up to 6" Inch Duct Reducer-Increaser - Plastic Pipe Connector, Adapter
Available in additional 2 options
From$795

Repa Market 3" up to 6" Inch Duct Reducer-Increaser - Plastic Pipe Connector, Adapter

3.7 out of 5 stars
3.7 out of 5 Stars. 3 reviews

1/2" to 3/8" Brass Compression Reducer Adapter, 3/8" to 1/2" Water Supply Pipe Fitting for RV Kitchen Water Line, 3 PCS $10.00

1/2" to 3/8" Brass Compression Reducer Adapter, 3/8" to 1/2" Water Supply Pipe Fitting for RV Kitchen Water Line, 3 PCS
current price $10.00

1/2" to 3/8" Brass Compression Reducer Adapter, 3/8" to 1/2" Water Supply Pipe Fitting for RV Kitchen Water Line, 3 PCS

Reducer Coupling Reducer, 1-1/2" x 3/4" Pipe, FNPT, Malleable Iron, Class 150 $16.81

Reducer Coupling Reducer, 1-1/2" x 3/4" Pipe, FNPT, Malleable Iron, Class 150
current price $16.81

Reducer Coupling Reducer, 1-1/2" x 3/4" Pipe, FNPT, Malleable Iron, Class 150

5 out of 5 stars
5 out of 5 Stars. 1 reviews

Charlotte Pipe PVC Reducer Bushing - Schedule 40, SPG x FPT - 2 In x 1-1/4 In $9.36

Charlotte Pipe PVC Reducer Bushing - Schedule 40, SPG x FPT - 2 In x 1-1/4 In
current price $9.36

Charlotte Pipe PVC Reducer Bushing - Schedule 40, SPG x FPT - 2 In x 1-1/4 In

PVC Reducer, Hub, 3 in x 2 in Pipe Size 1WKJ3 $15.23

PVC Reducer, Hub, 3 in x 2 in Pipe Size 1WKJ3
current price $15.23

PVC Reducer, Hub, 3 in x 2 in Pipe Size 1WKJ3

Clearance, YOUHO Brass Pipe Fitting, Hex Bushing, 1/4" NPT Male x 1/8" NPT Female Brass Reducer (10-PCS) From $5.99

Clearance
YOUHO Brass Pipe Fitting, Hex Bushing, 1/4" NPT Male x 1/8" NPT Female Brass Reducer (10-PCS)
Available in additional 11 options
From$599

YOUHO Brass Pipe Fitting, Hex Bushing, 1/4" NPT Male x 1/8" NPT Female Brass Reducer (10-PCS)

3.9 out of 5 stars
3.9 out of 5 Stars. 15 reviews

Best seller, 1/2 to 3/8 Reducer Faucet Adapter with Rubber Washer, Compression Brass Pipe Fitting, 2‑Pack, Easy Connect for Kitchen, Bathroom & RV Supply Lines From $10.98

Best seller
1/2 to 3/8 Reducer Faucet Adapter with Rubber Washer, Compression Brass Pipe Fitting, 2‑Pack, Easy Connect for Kitchen, Bathroom & RV Supply Lines
Available in additional 2 options
From$1098

1/2 to 3/8 Reducer Faucet Adapter with Rubber Washer, Compression Brass Pipe Fitting, 2‑Pack, Easy Connect for Kitchen, Bathroom & RV Supply Lines

4.7 out of 5 stars
4.7 out of 5 Stars. 3 reviews

Teal Turtle Single Wall Black Stove Pipe Reducer 8 Inch to 7 Inch 24 Gauge $38.25

Teal Turtle Single Wall Black Stove Pipe Reducer 8 Inch to 7 Inch 24 Gauge
current price $38.25

Teal Turtle Single Wall Black Stove Pipe Reducer 8 Inch to 7 Inch 24 Gauge

Unique Bargains Car Mandrel Exhaust Bend Elbow Pipe 304 Stainless Steel Concentric Reducer 1.5" OD to 3" OD $9.49

Unique Bargains Car Mandrel Exhaust Bend Elbow Pipe 304 Stainless Steel Concentric Reducer 1.5" OD to 3" OD
Sponsored
current price $9.49

Unique Bargains Car Mandrel Exhaust Bend Elbow Pipe 304 Stainless Steel Concentric Reducer 1.5" OD to 3" OD

Unique Bargains 304 Stainless Steel Pipe Fittings 2"Male x 1/2"Female BSPT Reducer Bushing Adapter 2 Pcs $21.49

Unique Bargains 304 Stainless Steel Pipe Fittings 2"Male x 1/2"Female BSPT Reducer Bushing Adapter 2 Pcs
Sponsored
current price $21.49

Unique Bargains 304 Stainless Steel Pipe Fittings 2"Male x 1/2"Female BSPT Reducer Bushing Adapter 2 Pcs

5 out of 5 stars
5 out of 5 Stars. 1 reviews

Uxcell 6" ID-5.6" OD Stainless Steel Stove Pipe Reducer Connector 2 Pcs , Exhaust Duct Increaser Reducer, Round Pipe Coupler Fitting, for Wood Stoves Fireplaces Camping, Silver $36.09

Uxcell 6" ID-5.6" OD Stainless Steel Stove Pipe Reducer Connector 2 Pcs , Exhaust Duct Increaser Reducer, Round Pipe Coupler Fitting, for Wood Stoves Fireplaces Camping, Silver
current price $36.09

Uxcell 6" ID-5.6" OD Stainless Steel Stove Pipe Reducer Connector 2 Pcs , Exhaust Duct Increaser Reducer, Round Pipe Coupler Fitting, for Wood Stoves Fireplaces Camping, Silver

Imperial 8 in. D X 6 in. D Galvanized Steel Furnace Pipe Reducer $26.67

Imperial 8 in. D X 6 in. D Galvanized Steel Furnace Pipe Reducer
current price $26.67

Imperial 8 in. D X 6 in. D Galvanized Steel Furnace Pipe Reducer

Reducer Reducer, 1-1/4" x 1/2" Pipe, FNPT, Malleable Iron, Class 150 5P571 $15.35

Reducer Reducer, 1-1/4" x 1/2" Pipe, FNPT, Malleable Iron, Class 150 5P571
current price $15.35

Reducer Reducer, 1-1/4" x 1/2" Pipe, FNPT, Malleable Iron, Class 150 5P571

5 out of 5 stars
5 out of 5 Stars. 3 reviews

Stainless Steel Concentric Pipe Reducer Increaser 2" to 1 1/2" 304 Grade 1 Pack $27.09

Stainless Steel Concentric Pipe Reducer Increaser 2" to 1 1/2" 304 Grade 1 Pack
current price $27.09

Stainless Steel Concentric Pipe Reducer Increaser 2" to 1 1/2" 304 Grade 1 Pack

Charlotte Pipe Reducing Bushing 2 " X 1-1/4 " White Pvc Schedule 40 $9.20

Charlotte Pipe Reducing Bushing 2 " X 1-1/4 " White Pvc Schedule 40
current price $9.20

Charlotte Pipe Reducing Bushing 2 " X 1-1/4 " White Pvc Schedule 40

Imperial 7 in. D X 5 in. D Galvanized Steel Furnace Pipe Reducer $25.29

Imperial 7 in. D X 5 in. D Galvanized Steel Furnace Pipe Reducer
current price $25.29

Imperial 7 in. D X 5 in. D Galvanized Steel Furnace Pipe Reducer

5 out of 5 stars
5 out of 5 Stars. 2 reviews

Best seller, 1/2 to 3/8 Reducer Faucet Adapter - Compression Brass Pipe Fitting, 3/8 Male to 1/2 Male Supply Line Adapter for RV Kitchen Plumbing, Water Hose Pipe Connector with Rubber Washer, (2 Pack) $10.00

Best seller
1/2 to 3/8 Reducer Faucet Adapter - Compression Brass Pipe Fitting, 3/8 Male to 1/2 Male Supply Line Adapter for RV Kitchen Plumbing, Water Hose Pipe Connector with Rubber Washer, (2 Pack)
current price $10.00

1/2 to 3/8 Reducer Faucet Adapter - Compression Brass Pipe Fitting, 3/8 Male to 1/2 Male Supply Line Adapter for RV Kitchen Plumbing, Water Hose Pipe Connector with Rubber Washer, (2 Pack)

3.9 out of 5 stars
3.9 out of 5 Stars. 36 reviews

Teal Turtle 7 to 6 Inch Black Single Wall Stove Pipe Reducer 24 Gauge $33.39

Teal Turtle 7 to 6 Inch Black Single Wall Stove Pipe Reducer 24 Gauge
current price $33.39

Teal Turtle 7 to 6 Inch Black Single Wall Stove Pipe Reducer 24 Gauge

Pipe Fitting Reducing Adapter, G3/4" x 3/4" NPT Reducer Connector, Silver $13.99

Pipe Fitting Reducing Adapter, G3/4" x 3/4" NPT Reducer Connector, Silver
Sponsored
current price $13.99

Pipe Fitting Reducing Adapter, G3/4" x 3/4" NPT Reducer Connector, Silver

Brass Pipe Fitting, Reducing Hex Nipple 1/2 BSP Male x 3/8 PT Male Adapter From $6.99

Brass Pipe Fitting, Reducing Hex Nipple 1/2 BSP Male x 3/8 PT Male Adapter
Sponsored
From$699

Brass Pipe Fitting, Reducing Hex Nipple 1/2 BSP Male x 3/8 PT Male Adapter

Rubber Coupling - Reducer Pipe Size: 4" x 3" $20.85

Rubber Coupling - Reducer Pipe Size: 4" x 3"
current price $20.85

Rubber Coupling - Reducer Pipe Size: 4" x 3"

5 out of 5 stars
5 out of 5 Stars. 2 reviews

Uxcell Reducing Coupling Increaser Reducer Coupling Pipe Fittings Black 3/4 x 1/2" 1Pcs From $7.39

Uxcell Reducing Coupling Increaser Reducer Coupling Pipe Fittings Black 3/4 x 1/2" 1Pcs
Available in additional 15 options
From$739

Uxcell Reducing Coupling Increaser Reducer Coupling Pipe Fittings Black 3/4 x 1/2" 1Pcs

1 1/2" 1.5" OD to 2" OD Universal Exhaust Pipe to Component Adapter Reducer 1pcs $15.99

1 1/2" 1.5" OD to 2" OD Universal Exhaust Pipe to Component Adapter Reducer 1pcs
current price $15.99

1 1/2" 1.5" OD to 2" OD Universal Exhaust Pipe to Component Adapter Reducer 1pcs

Couplings Company 110JC Brass 1/4 in FNPT x 3/4 in MNPT Hex Bushing Pipe Fitting Reducer $10.95

Couplings Company 110JC Brass 1/4 in FNPT x 3/4 in MNPT Hex Bushing Pipe Fitting Reducer
current price $10.95

Couplings Company 110JC Brass 1/4 in FNPT x 3/4 in MNPT Hex Bushing Pipe Fitting Reducer

5 out of 5 stars
5 out of 5 Stars. 1 reviews

Uxcell 2 Pcs 5/8" to 1/2" Hose Barb Reducer Pipe Fitting 304 Stainless Steel Hose Pipe Fitting Silver $10.20

Uxcell 2 Pcs 5/8" to 1/2" Hose Barb Reducer Pipe Fitting 304 Stainless Steel Hose Pipe Fitting Silver
current price $10.20

Uxcell 2 Pcs 5/8" to 1/2" Hose Barb Reducer Pipe Fitting 304 Stainless Steel Hose Pipe Fitting Silver

Unique Bargains 3"OD to 4"OD Mandrel Exhaust Bend Elbow Concentric Reducer Pipe Adapter $18.99

Unique Bargains 3"OD to 4"OD Mandrel Exhaust Bend Elbow Concentric Reducer Pipe Adapter
current price $18.99

Unique Bargains 3"OD to 4"OD Mandrel Exhaust Bend Elbow Concentric Reducer Pipe Adapter

Fernco PNH-215 Pipe Reducing Coupling, 2" x 1-1/2" $10.53

Fernco PNH-215 Pipe Reducing Coupling, 2" x 1-1/2"
current price $10.53

Fernco PNH-215 Pipe Reducing Coupling, 2" x 1-1/2"

PVC Reducer, Hub, 4 in x 2 in Pipe Size 1WKJ4 $22.00

PVC Reducer, Hub, 4 in x 2 in Pipe Size 1WKJ4
current price $22.00

PVC Reducer, Hub, 4 in x 2 in Pipe Size 1WKJ4

Repa Market 6" to 4" Round Plastic Duct Reducer - PVC Pipe Increaser, HVAC Exhaust, Intake From $7.95

Repa Market 6" to 4" Round Plastic Duct Reducer - PVC Pipe Increaser, HVAC Exhaust, Intake
Available in additional 3 options
From$795

Repa Market 6" to 4" Round Plastic Duct Reducer - PVC Pipe Increaser, HVAC Exhaust, Intake

Charlotte Pipe Reducing Tee 1 " X 1 " X 3/4 " White Pvc Schedule 40 $7.98

Charlotte Pipe Reducing Tee 1 " X 1 " X 3/4 " White Pvc Schedule 40
current price $7.98

Charlotte Pipe Reducing Tee 1 " X 1 " X 3/4 " White Pvc Schedule 40

Imperial 9 in. D X 8 in. D Galvanized Steel Furnace Pipe Reducer $24.70

Imperial 9 in. D X 8 in. D Galvanized Steel Furnace Pipe Reducer
current price $24.70

Imperial 9 in. D X 8 in. D Galvanized Steel Furnace Pipe Reducer

5 out of 5 stars
5 out of 5 Stars. 1 reviews

Banjo Poly Pipe Reducer Bushing 3/4" MPT X 1/2" FPT - RB075-050 $11.22

Banjo Poly Pipe Reducer Bushing 3/4" MPT X 1/2" FPT - RB075-050
current price $11.22

Banjo Poly Pipe Reducer Bushing 3/4" MPT X 1/2" FPT - RB075-050

Novixy 304 Stainless Steel Sanitary Pipe Reducer Fitting, 3" to 2" Tri Clamp Ferrule Adapter for Food Grade Beverage Water Oil Systems $24.63

Novixy 304 Stainless Steel Sanitary Pipe Reducer Fitting, 3" to 2" Tri Clamp Ferrule Adapter for Food Grade Beverage Water Oil Systems
current price $24.63

Novixy 304 Stainless Steel Sanitary Pipe Reducer Fitting, 3" to 2" Tri Clamp Ferrule Adapter for Food Grade Beverage Water Oil Systems

LTWFITTING Brass Pipe Hex Bushing Reducer Fittings 1/2 Inch Male x 1/8 Inch Female NPT(Pack of 25) $33.98

LTWFITTING Brass Pipe Hex Bushing Reducer Fittings 1/2 Inch Male x 1/8 Inch Female NPT(Pack of 25)
current price $33.98

LTWFITTING Brass Pipe Hex Bushing Reducer Fittings 1/2 Inch Male x 1/8 Inch Female NPT(Pack of 25)

2pcs 2.5" 2-1/2 OD to 2.75" 2-3/4 ID Exhaust Component to Pipe Adapter Reducer $13.75

2pcs 2.5" 2-1/2 OD to 2.75" 2-3/4 ID Exhaust Component to Pipe Adapter Reducer
current price $13.75

2pcs 2.5" 2-1/2 OD to 2.75" 2-3/4 ID Exhaust Component to Pipe Adapter Reducer

5 out of 5 stars
5 out of 5 Stars. 1 reviews

1/2" x 1/4" Yellow Brass Female to Female Coupling Reducer Pipe Fitting 119FC $11.49

1/2" x 1/4" Yellow Brass Female to Female Coupling Reducer Pipe Fitting 119FC
current price $11.49

1/2" x 1/4" Yellow Brass Female to Female Coupling Reducer Pipe Fitting 119FC

2 ID to 2.5" 2 1/2 ID Exhaust Pipe Tube Adapter Reducer Universal New $7.65

2 ID to 2.5" 2 1/2 ID Exhaust Pipe Tube Adapter Reducer Universal New
current price $7.65

2 ID to 2.5" 2 1/2 ID Exhaust Pipe Tube Adapter Reducer Universal New

5 out of 5 stars
5 out of 5 Stars. 1 reviews

2 1/2 2.5" OD to 2 3/4 2.75" ID Exhaust Component to Pipe Adapter Reducer $7.35

2 1/2 2.5" OD to 2 3/4 2.75" ID Exhaust Component to Pipe Adapter Reducer
current price $7.35

2 1/2 2.5" OD to 2 3/4 2.75" ID Exhaust Component to Pipe Adapter Reducer

FAQ

How do I pick the right size pipe reducer?

Choosing the right size pipe reducer depends on the diameters of the pipes you're connecting. Start by measuring the outside diameter (OD) or inside diameter (ID) of both pipes. Then, look for a reducer that matches those measurements.

  • Check if your pipes are measured in inches or millimeters.
  • Consider the material compatibility—PVC, brass, and galvanized steel reducers are common options.
  • Make sure the reducer fits the type of connection you need, like compression, threaded, or slip-on.
Double-check product specs before purchasing to help ensure a proper fit for your project.

Can I use a pipe reducer for plumbing repairs?

Yes, pipe reducers are often used in plumbing repairs to connect pipes of different sizes. They're handy for adapting water supply lines, drainage systems, or even HVAC ducts.

  • Choose a reducer made from a material that's safe for your application, such as lead-free brass for drinking water lines.
  • Make sure the reducer matches your pipe type—compression, threaded, or push-fit.
  • Always follow local plumbing codes and manufacturer instructions for installation.
Using the right reducer can help restore flow and prevent leaks in your plumbing system.

What tools do I need to install a pipe reducer?

The tools you'll need depend on the type of pipe and reducer you're working with. For most installations, you might use:

  • A pipe cutter or hacksaw for cutting pipes to length
  • Wrenches or pliers for tightening threaded connections
  • Pipe cleaner or sandpaper for prepping surfaces
  • Pipe thread sealant or plumber's tape for threaded joints
Always check the product instructions for any special tools or steps. Taking your time with prep and assembly can help create a secure, leak-resistant connection.

Are pipe reducers safe for hot water lines?

Many pipe reducers are designed to handle hot water, but it's important to check the product specifications.

  • Look for materials like brass or certain plastics that are rated for high temperatures.
  • Verify the reducer's temperature and pressure ratings to match your system's requirements.
  • For HVAC or furnace applications, make sure the reducer is suitable for the intended use.
When in doubt, consult a professional or refer to the manufacturer's guidelines to help ensure safe installation.

How do I maintain or clean a pipe reducer?

Maintaining a pipe reducer is usually straightforward.

  • Periodically check for leaks or signs of corrosion, especially in metal reducers.
  • For water lines, flush the system occasionally to help prevent buildup.
  • If you notice mineral deposits or debris, gently clean the area with a soft brush and mild cleaner.
  • Avoid harsh chemicals that could damage the reducer or connected pipes.
Regular inspection and cleaning can help extend the life of your plumbing connections and keep everything running smoothly.

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