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The Home Depot
homedepot.com › p › Fernco-4-in-x-4-in-PVC-DWV-Mechanical-Flexible-Coupling-P1056-44 › 100372298
Fernco 4 in. x 4 in. PVC DWV Mechanical Flexible Coupling P1056-44 - The Home Depot
Fernco 4 in. x 4 in. PVC DWV Mechanical Flexible Coupling P1056-44
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.
(4.8)
Price   $10.85
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Fernco
fernco.com › products › flexible-couplings › stock-couplings
Standard Flexible Couplings | Fernco - US
Standard Couplings Fernco manufacturers the most complete line of flexible couplings in the industry, from sizes of 3/4" to 27" (19mm to 381mm). Fernco Couplings have earned a reputation for consistent, superior performance, giving you full confidence in their quality and reliability.
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Amazon
amazon.com › Fernco-4-Inch-Flexible-Coupling-Plastic › dp › B09QT4QJWG
Amazon.com: Fernco XL 1056-442 Flexible Pipe Coupling 4” CI/Plastic/Steel to 4” CI/Plastic/Steel : Industrial & Scientific
The Fernco XL Coupling is 7.75" long, creating a stronger, and more durable coupling than any other on the market. For sewer and drain, waste and vent piping. Maximum test pressure: 4.3 PSI.
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Rain Brothers
rainbrothers.com › store › 4-FernCo-No-Hub-Coupling-Rubber-p281493555
FernCo No Hub Coupling (Rubber)
FernCo No Hub Coupling (Rubber)
4" rubber no-hub coupling, by FernCo. For use with Wisy Vortex and Wisy Linear roofwasher filters to connect pipe to filter bodies. Fits 4" Schedule 40 and 4" SDR-35 pipe.
Price   $10.40
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Menards
menards.com › main › plumbing › pipe-fittings › flexible-fittings › fernco-cast-iron-plastic-steel-copper-lead-flexible-coupling › 1056-44 › p-1444430427488-c-1478181399646.htm
Fernco 4" Cast Iron/Plastic/Steel/Copper/Lead Flexible Coupling at Menards®
Fernco 4" Cast Iron/Plastic/Steel/Copper/Lead Flexible Coupling
Fernco couplings are designed for drain, waste, vent and sewer connections for either above or below ground applications
Price   $8.59
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PRM Filtration
shop.prmfiltration.com › home › fernco 1056-44 flexible coupling, 4 inch
Fernco 1056-44 Flexible Coupling, 4 Inch
Fernco 1056-44 Flexible Coupling, 4 Inch
FERNCO COUPLINGS Built for a 50-year service life, Fernco couplings are made from elastomeric polyvinyl chloride for a strong, leak-proof fitting that's resistant to chemicals and sewer gases. Flexible Fit: To choose the right coupling, measure the outside diameter (OD) of your pipe. This coupling has an internal diameter (ID) of 4.58" and fits pipe ODs between 4.10" - 4.65" The Fernco 1056-44 coupling connects Plastic (PVC, ABS, CPVC, Smooth Wall HDPE), Cast Iron, Copper, Steel or Lead Pipe for a watertight joint. For sewer and drain, waste and vent piping. Fernco couplings are easy to instal
Price   $7.99
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Land M Supply
landmsupply.com › fernco-coupling-rubber-4
Fernco Coupling Rubber 4"
Fernco Coupling Rubber 4"Stock Couplings are Leak-proof, root-proof and seals against infiltration and exfiltration. From sizes 3/4” to 27”• Tested designs backed by over five decades of proven performance• Positive seal against infiltration ...
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AFSupply
afsupply.com › rubber coupling pvc to cast iron (or cast iron to pvc) 4" 4 fernco cplg 1056-442 8 long
Rubber Coupling PVC to Cast Iron (or Cast Iron to PVC) 4" 4 fernco cplg 1056-442 8 long
Rubber Coupling PVC to Cast Iron (or Cast Iron to PVC) 4" 4 fernco cplg 1056-442 8 long
Rubber Coupling PVC to Cast Iron (or Cast Iron to PVC) 4"
Price   $38.47
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Runnings
runnings.com › fernco-flexible-coupling-4-x-4-p1056-44.html
Fernco 4 In. Flexible PVC Coupling
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Blair Supply
store.blairsupplyusa.com › products › fernco-coupling-pvc-pvc
Enduring Fernco PVC/CI x PVC/CI Rubber Coupling for Sale Near Me – Blair Supply
Made from high-quality rubber and reinforced with stainless steel clamps, all variants of Fernco Rubber Coupling PVC/CI x PVC/CI feature enhanced resistance to chemicals, UV rays, fungus growth, and normal sewer gasses, ensuring long-lasting ...
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Runnings
runnings.com › fernco-reg-flexible-coupling-4-x-3.html
Fernco® Flexible Coupling, 4" x 3" - 0000000281
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HD Supply
hdsupplysolutions.com › home › plumbing › pipe & pipe fittings › couplings › flexible couplings, caps & plugs › flexible couplings
Fernco 4 In. Epdm Rubber Clamp Shielded Coupling, 4.3 PSI (Silver) | HD Supply
Fernco 4 In. Epdm Rubber Clamp Shielded Coupling, 4.3 PSI (Silver)
Fernco 4 " Fernco Epdm Rubber Clamp Shielded Coupling, 4.3 Psi, Silver. Install Using A Torque Wrench For A Water Tight Seal. Rated For Above Ground Use Only. Maximum Operating Temperature Of 180 Degree F. Neoprene Gasket With 300 Series Stainless Steel. 4.3 Psi Maximum Test Pressure. Designed For Pipe Specific Connections. MFG# 3000-44
Price   $14.99
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Radon Supplies
radonsupplies.com › products › fernco-1056-4x4-white-series-c-i-and-plastic-to-c-i-and-plastic
Fernco 4" X 4" FLEXIBLE COUPLING (WHITE)
Fernco 4" X 4" PVC FLEXIBLE COUPLING (WHITE)
Fernco Flex Coupling 4"x4" (Cast Iron or PVC to Cast Iron or PVC)
Price   $7.50
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Land M Supply
landmsupply.com › fernco-coupling-rubber-4x3
Fernco Coupling Rubber 4x3"
Fernco Coupling Rubber 4x3"Stock Couplings are Leak-proof, root-proof and seals against infiltration and exfiltration. From sizes 3/4” to 27”• Tested designs backed by over five decades of proven performance• Positive seal against ...
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Reddit
reddit.com › r/askaplumber › what is the best fernco rubber fitting for cast iron to pvc?
r/askaplumber on Reddit: What is the best Fernco rubber fitting for cast iron to PVC?
June 25, 2024 -

P3000-44 and P3005-44 seem very similar in rubber thickness, but P3005-44 is $2 more expensive.

I feel the unshielded longer coupling is better because it allows you to easily slide the coupling all the towards one pipe and then slide it back so that it couples the two pipes together. The other two have a lip in the middle, and this makes it a bit more difficult.

Is there any situation where one would need the rubber to be shielded?

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Greydock
greydock.com › fernco-1056-44-coupling
Fernco 1056-44 4-in. Flexible PVC Pipe Coupling for Cast Iron and Plastic Plumbing Connections in Black - GreyDock.com
Fernco 1056-44 4-in. Flexible PVC Pipe Coupling for Cast Iron and Plastic Plumbing Connections in Black
Fernco 1056-44 4-in. Flexible PVC Pipe Coupling for Cast Iron and Plastic Plumbing Connections in BlackChoose the couplings that the pros use for your next drain, waste or vent project. The Fernco 1056-44 flexible PVC coupling quickly connects 4"plastic (PVC, CPVC, abs, smooth wall HDPE), cast iron, copper, steel or lead pipes. Installation is as easy as sliding the coupling on and torquing the stainless steel bands down for a leak-proof connection. Whether you're adding a new laundry sink, replacing rusted cast iron pipe or adding a new bathroom, Fernco couplers make plumbing projects a breez
Price   $9.99
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Reinders
reinders.com › fernco-4-inch-clay-x-4-inch-cast-iron-pvc-flexible-coupling
Fernco - 4" Clay X 4" Cast Iron/PVC Flexible Coupling
They are also resistant to chemicals, ... of the PVC material. Fernco flexible couplings are leak-proof, rot-proof and seal against infiltration and exfiltration, giving you confidence in your pipe connections....