Model # P1056-44

Internet #100372298

Store SKU #688002

Store SO SKU #1000673459

null 4 in. x 4 in. PVC DWV Mechanical Flexible Coupling
0018578000124

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

  • Durable PVC construction offers reliable support
  • Stainless steel clamps resist corrosion for lasting use
  • Works well with cast iron, plastic, lead and steel piping
$746 /each
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Frequently Bought Together

Product Overview

  • Durable PVC construction offers reliable support
  • Stainless steel clamps resist corrosion for lasting use
  • Works well with cast iron, plastic, lead and steel piping
This Fernco 4 in. x 4 in. PVC DWV Mechanical Flexible Coupling features durable construction. That's designed to be unaffected by soil conditions. Band slots offer great flexibility and the adapter includes 300-series stainless-steel clamps.
  • 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

  • Durable PVC construction offers reliable support
  • Stainless steel clamps resist corrosion for lasting use
  • Works well with cast iron, plastic, lead and steel piping
Model #: P1056-44
Sku #: 688002
Internet #: 100372298

This Fernco 4 in. x 4 in. PVC DWV Mechanical Flexible Coupling features durable construction. That's designed to be unaffected by soil conditions. Band slots offer great flexibility and the adapter includes 300-series stainless-steel clamps.

  • 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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Price
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Name 3 in. x 2 in. PVC DWV Mechanical Flexible Coupling 4 in. x 4 in. PVC DWV Mechanical Flexible Coupling 3 in. x 3 in. PVC Mechanical Flexible Expansion Coupling 4 in. x 4 in. PVC Mechanical Flexible Expansion Coupling
Brand
Ratings (1) (6) (1) (0)
Fitting or Connector Type Adapter or Coupling Adapter or Coupling Adapter or Coupling Adapter or Coupling
Fitting 1 size 2" 4" 3" 4"
Connection Mechanical Mechanical Mechanical Mechanical
Material PVC PVC PVC PVC
View Product View Product View Product View Product

Specifications

Dimensions

Fitting 1 size
4"
Fitting 2 size
4"
Product Depth (in.)
5.50 in
Product Height (in.)
4.125 in
Product Length (in.)
5.50 in
Product Width (in.)
5.125 in

Details

Application
DWV,Sewer & Drain
Compatible Pipe Material
Multi-Purpose
Connection
Mechanical
Features
Corrosion Resistant,Flexible,Lead Free,Removable,UV Resistant,Underground Rated,Underground Use
Fitting or Connector Type
Adapter or Coupling
Fitting/ Connector Collection
Specialty
Material
PVC
Maximum Working Temperature (F)
120
Maximum working pressure (psi)
4.3
Pipe or Fitting Product Type
Fittings & Connectors
Product Weight (lb.)
1.025 lb
Returnable
90-Day

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

Fitting 1 size
4"
Fitting 2 size
4"
Product Depth (in.)
5.50 in
Product Height (in.)
4.125 in
Product Length (in.)
5.50 in
Product Width (in.)
5.125 in

Details

Application
DWV,Sewer & Drain
Compatible Pipe Material
Multi-Purpose
Connection
Mechanical
Features
Corrosion Resistant,Flexible,Lead Free,Removable,UV Resistant,Underground Rated,Underground Use
Fitting or Connector Type
Adapter or Coupling
Fitting/ Connector Collection
Specialty
Material
PVC
Maximum Working Temperature (F)
120
Maximum working pressure (psi)
4.3
Pipe or Fitting Product Type
Fittings & Connectors
Product Weight (lb.)
1.025 lb
Returnable
90-Day

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

Is this suitable for 4 inch PVC Schedule 40 Radon Air piping?

Is this suitable for 4 inch PVC Schedule 40 Radon Air piping?
Asked by: Samuel
it is if you wrap some duct tape or gorilla tape around the pipe.
Answered by: Ronald
Date published: 2017-10-11

Is this coupling designed to slip onto pipe or will it wrap around the pipe without having to cut pipe to install?

Asked by: Gene
it slips over the pipe and then tightens
Answered by: Ronald
Date published: 2017-10-11

Is it recommended to use the shielded fitting underground

Asked by: Jim
This Fernco coupling is rated for above or below ground use, shielded or unshielded. You would want to check with your local plumbing inspector to get the specific requirements for your area and your application. If you are referring to the clamps when you say "fasteners", they are 300 series stainless steel and will not rust.
Answered by: Fernco Product Expert
Date published: 2018-01-12

Can it connect ABS piping?

For ABS outdoor drainage, is this compatible? If so, would it provide any useful flexibility? Thanks.
Asked by: Art
I do not have a resource, but I would not hesitate to do it as long as it is a low pressure drainage system.
Answered by: DrDave
Date published: 2017-06-10
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Customer Reviews

4 in. x 4 in. PVC DWV Mechanical Flexible Coupling is rated 4.5 out of 5 by 6.
Rated 4 out of 5 by from This works just fine to connect a 4" radon fan to 4" pipe. However if one is working with thin wa... This works just fine to connect a 4" radon fan to 4" pipe. However if one is working with thin walled pipe, some adjustment will be needed to take up the space between the outer diameter of the thin walled pipe and the inside on this coupling. I used a few wraps of gorilla tape. Other wise this coupler is a high quality product.
Date published: 2017-10-11
Rated 5 out of 5 by from 5 Star Review Rating provided by a verified purchaser
Date published: 2017-11-08
Rated 4 out of 5 by from worked good worked good
Date published: 2017-07-26
Rated 4 out of 5 by from Rubber coupling was good however metal clamps got one issue. One nut was not properly casted and ... Rubber coupling was good however metal clamps got one issue. One nut was not properly casted and screwdriver socket was not fully open. It made me to look for a nut head driver. I was on a ladder and it makes my job to take longer. So please be aware and you might use a nut driver instead of screw driver from the start because screwdriver sockets on the clamps might be not done right.
Date published: 2017-05-09
Rated 5 out of 5 by from It fits the outside of schedue 40 4 inch PVC pope It fit just right on 4 inch schedule 40 PIPE. It is large for the woodshop 4 inch systems, BUT it will squeeze down to work. (Not look good but work good.)
Date published: 2014-10-23
Rated 5 out of 5 by from Worked just fine. Worked just fine.
Date published: 2016-10-25
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