Internet #100372297

Model # P1056-43

Store SKU #687995

Store SO SKU #1000673531

0018578000117

Fernco

4 in. x 3 in. PVC DWV Mechanical Flexible Coupling

  • Fits a variety of pipe fittings and seals drain connection
  • Rustproof PVC construction with stainless steel clamps
  • Maximum working pressure: 4.3 PSI
$ 9 38
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Frequently Bought Together

Frequently Bought Together

Product Overview

  • Fits a variety of pipe fittings and seals drain connection
  • Rustproof PVC construction with stainless steel clamps
  • Maximum working pressure: 4.3 PSI
Fernco Couplings have earned a reputation for consistent, superior performance, giving you full confidence in their quality and reliability. The dimensional flexibility of Fernco couplings ensures leak-proof pipe seals on virtually any pipe material. All flexible couplings are clearly marked with part number, size, and pipe material that the coupling will connect to.
  • Flexible PVC construction
  • 300-series stainless-steel clamps resist corrosion and offer efficient seals
  • For sewer and DWV piping
  • Compatible with cast iron, plastic, copper, lead and steel piping
  • Provides positive seals for drain connections
  • Mechanical connection type
  • Underground rated
  • Maximum working pressure of 4.3 psi
  • Resists chemicals, ultraviolet rays and fungus growth
  • Band slots for great flexibility
  • Fast and easy installation with a screwdriver, nut driver or socket wrench (sold separately)
  • Note: product may vary by store

Product Overview

  • Fits a variety of pipe fittings and seals drain connection
  • Rustproof PVC construction with stainless steel clamps
  • Maximum working pressure: 4.3 PSI
Model #: P1056-43
Sku #: 687995
Internet #: 100372297

Fernco Couplings have earned a reputation for consistent, superior performance, giving you full confidence in their quality and reliability. The dimensional flexibility of Fernco couplings ensures leak-proof pipe seals on virtually any pipe material. All flexible couplings are clearly marked with part number, size, and pipe material that the coupling will connect to.

  • Flexible PVC construction
  • 300-series stainless-steel clamps resist corrosion and offer efficient seals
  • For sewer and DWV piping
  • Compatible with cast iron, plastic, copper, lead and steel piping
  • Provides positive seals for drain connections
  • Mechanical connection type
  • Underground rated
  • Maximum working pressure of 4.3 psi
  • Resists chemicals, ultraviolet rays and fungus growth
  • Band slots for great flexibility
  • Fast and easy installation with a screwdriver, nut driver or socket wrench (sold separately)
  • Note: product may vary by store

Info & Guides

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Compare Similar

Compare Similar Products
Brand Fernco Fernco Fernco Fernco
Name 2 in. x 1-1/2 in. DWV Flexible PVC Coupling 1-1/4 in. x 1-1/4 in. Flexible PVC Coupling 1-1/2 in. x 1-1/4 in. DWV Flexible PVC Coupling 4 in. x 3 in. PVC DWV Mechanical Flexible Coupling
Price
$5.24
$6.28
$6.98
$9.38
Ratings (146) (146) (68) (130)
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Specifications

Dimensions

Double Fitting Size
3" x 4"
Fitting 1 size
3"
Fitting 2 size
4"
Product Length (in.)
5.50 in

Details

Application
Tub & Shower,Water Supply
Color Family
Black
Color/Finish
BLACK
Compatible Pipe Material
Multi-Purpose
Connection 1
Mechanical
Connection 2
Mechanical
Connectivity
Compression
Features
Corrosion Resistant,Flexible,Lead Free,Removable,UV Resistant,Underground Rated,Underground Use
Fitting or Connector Type
Coupling
Fitting/ Connector Collection
PVC
Material
PVC
Maximum Working Temperature (F)
120
Maximum working pressure (psi)
4.3
Pack Size
1
Pipe or Fitting Product Type
Fittings & Connectors
Product Weight (lb.)
0.90 lb
Returnable
90-Day
Schedule Type
Schedule 40

Warranty / Certifications

Manufacturer Warranty
Defects in workmanship or materials for a period of one year and will replace any defective product returned within that time period.

Specifications

Dimensions

Double Fitting Size
3" x 4"
Fitting 1 size
3"
Fitting 2 size
4"
Product Length (in.)
5.50 in

Details

Application
Tub & Shower,Water Supply
Color Family
Black
Color/Finish
BLACK
Compatible Pipe Material
Multi-Purpose
Connection 1
Mechanical
Connection 2
Mechanical
Connectivity
Compression
Features
Corrosion Resistant,Flexible,Lead Free,Removable,UV Resistant,Underground Rated,Underground Use
Fitting or Connector Type
Coupling
Fitting/ Connector Collection
PVC
Material
PVC
Maximum Working Temperature (F)
120
Maximum working pressure (psi)
4.3
Pack Size
1
Pipe or Fitting Product Type
Fittings & Connectors
Product Weight (lb.)
0.90 lb
Returnable
90-Day
Schedule Type
Schedule 40

Warranty / Certifications

Manufacturer Warranty
Defects in workmanship or materials for a period of one year and will replace any defective product returned within that time period.

Questions & Answers

will this coupling pass an inspection for a schedule 40 4" sewer line? The line will be buried un...

will this coupling pass an inspection for a schedule 40 4" sewer line? The line will be buried under a concrete slab
Asked by: Bill
i don't it will. need solid PVC. try a flex PVC.
Answered by: tch
Date published: 2019-05-13

Can you completely disconnect the metal clamps or do they stop them selves short of disconnecting?

Can you completely disconnect the metal clamps or do they stop them selves short of disconnecting?
Asked by: moose
You can. I had to when I wrapped them around my flagpole.
Answered by: XLR8R
Date published: 2019-02-20

Will this item work to couple 3" copper to 3" copper ?

Asked by: Mike
I believe it will
Answered by: Jrod
Date published: 2019-07-10

Will gasoline dissolve the rubber this is made of?

Someone cut my trucks gas filler neck. Thinking of using this to connect the hose that wad cut.
Asked by: WD
I do not believe it will.
Answered by: XLR8R
Date published: 2019-02-19
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Customer Reviews

4 in. x 3 in. PVC DWV Mechanical Flexible Coupling is rated 4.7 out of 5 by 130.
Rated 5 out of 5 by from I was extending my sump pump to the end of the yard. The builder used a 3 inch corrugated pipe w... I was extending my sump pump to the end of the yard. The builder used a 3 inch corrugated pipe which is no longer sold at Home Depot. I talked with the associate in the plumbing department and this is what we came up with to use my existing 3 inch corrugated pipe into the new 4 inch corrugated pipe. I am not too concerned about water seeping out as this is for the sump and it is buried, so a tight fit is not necessary. I would think this would be the best fit for pvc, but not the best option is you want a tight fight for corrugated pipe. I had to cut a bunch of splices for the pipe to fit into the rubber coupling. Overall the product did what I needed it to do, but the coupling is not meant for corrugated pipe, but this was the option available as I was not going to dig up the 3 inch and replace it.
Date published: 2019-06-04
Rated 5 out of 5 by from Fixed an external cracked 4” round drain pipe that had... Fixed an external cracked 4” round drain pipe that had a 3x4” drain pipe feeding into it. Very solid feeling after being installed but with the flexibility of rubber it should last a long time. It did the job by reinforcing the cracked pipe. I hope it lasts 10 years but only time will tell.
Date published: 2019-06-25
Rated 5 out of 5 by from Thought that I had a broken pipe which I would need to cut out and replace. They would work great... Thought that I had a broken pipe which I would need to cut out and replace. They would work great but no broken pipe. I have an open pipe and put a cap on it. I have returned the couplings that I did not need. I used one in the past and it worked great.
Date published: 2019-05-26
Rated 3 out of 5 by from Size combinations are ok, but, in dealing with an "old"... Size combinations are ok, but, in dealing with an "old" home ( 70+ years ) finding the correct size can be challenging at best. It worked, on one end had to use lubricate and lotsa of muscle...
Date published: 2019-05-28
Rated 5 out of 5 by from This product was great to use I had to use... This product was great to use I had to use it to replace my cast iron pipe to PVC, this coupling was very easy to use made a job go a lot faster.
Date published: 2019-06-19
Rated 5 out of 5 by from We were attaching rigid pipe to an RV waste removal... We were attaching rigid pipe to an RV waste removal system in a park setting. This worked perfectly!
Date published: 2019-05-28
Rated 5 out of 5 by from It was what I needed to repair some PVC joints that had separated. It was what I needed to repair some PVC joints that had separated.
Date published: 2019-04-26
Rated 5 out of 5 by from Made fixing a yard d drain line that I broke very simple to fix. Made fixing a yard d drain line that I broke very simple to fix.
Date published: 2019-06-19
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