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Author:
kingshakabobo (IL)
I have the banded coupling and I have un-banded coupling.
The banded has a hub and is shorter. These always seen too short and don’t have enough “grab”
I need a LONGER no hub coupling that is banded.
Is there such a thing? It seems the big box stores either carry the short banded or long un-banded
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Author:
packy (MA)
if your soldering skill are adequate, you can solder an adapter onto the copper.
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Author:
sum (FL)
you cannot just use any 2" no hub coupling, banded or non-banded.
you need a special transition coupling that accounts for the difference of the copper and PVC OD differences. The one Tom130 (IL) linked is the one you want.
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Author:
kingshakabobo (IL)
Thanks Tom130
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Author:
kingshakabobo (IL)
Sum, yeah I realized that once I hooked it in. Thank you. I had a brain moment and thought pvc to copper were same.
Is it just me or do those banded couplings never seem to have enough “throat” or “grab”?
I guess with the dissimilar pipe sizes there is no way to use any no hub coupling
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Author:
bernabeu (SC)
incorrect
you simply want the PROPER no-hub coupling
for example: [www.walmart.com]
==============================================
"Measure Twice & Cut Once" - Retired U.A. Local 1 & 638
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Author:
kingshakabobo (IL)
Packy, that looks like brass. The big box seems to carry a copper 2 inch with a female fip. Would that be ok too?
Then just join with a male pvc fitting then glue?
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Author:
kingshakabobo (IL)
Hmmm. That’s it. Surprised Fernco doesn’t make one. Can’t be too uncommon? No?
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Author:
steve (CA)
"Fernco" makes them under their Proflex name, part number 3001-22. The one shown by bernabeu is made by Mission Rubber Products, #CK22.
[www.fernco.com]
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Author:
kingshakabobo (IL)
I just grabbed a 301-22 from the store. I was under the impression the coupling bernabeu posted didn’t have the stop in the middle? Yes?
I also grabbed a 2 inch copper male adapter.
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Author:
sum (FL)
There is a stop in the middle on the Fernco/Proflex or the Mission version.
If you want a metal adapter to solder to your copper make sure it's a drain fitting. A female is better or else you will be crank metal threads into plastic female and that can crack the female if over-torqued.
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