RV Plumbing

05-22-2012, 11:30 AM	#1
md2lgyk Member   Join Date: Jan 2009 Location: WV Posts: 2,091	RV Plumbing The piping in my RV looks like Schedule 40 CPVC but appears to be much thinner-walled. Is it something unique to RVs? I have heard of thinwall (Schedule 30) pipe but have never seen any. Are fittings available to connect the thin stuff to "regular" CPVC?

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05-23-2012, 01:00 AM	#2
VIPlumber Persona Non Grata     Join Date: Aug 2010 Location: Vancouver Island, BC Posts: 1,416	RV Plumbing I believe that the pipe schedules go 20, 40, 80 & 120. That being said your best bet for the part(s) you're looking for are either a plumbing supply store or an RV dealer who has a service depot.

05-23-2012, 07:24 AM	#3
COLDIRON Member   Join Date: Mar 2010 Location: PENNSYLVANIA Posts: 1,888	RV Plumbing Could it be PEX???

05-23-2012, 07:41 AM	#4
joecaption Member   Join Date: Nov 2011 Location: Hartfield VA Posts: 18,115	RV Plumbing That was my thought, if it's an older model it would be Quest, which would be gray, newer ones use Pex. It should say right on the pipe what it is.

05-24-2012, 12:22 PM	#5
md2lgyk Member   Join Date: Jan 2009 Location: WV Posts: 2,091	RV Plumbing It's not PEX. It's too rigid and the joints are glued. The RV is a 2010 model. I don't remember seeing any markings on the pipe but will check.

05-24-2012, 03:17 PM	#6
COLDIRON Member   Join Date: Mar 2010 Location: PENNSYLVANIA Posts: 1,888	RV Plumbing Sounds like an old rig.

05-26-2012, 10:25 AM	#7
fireguy Member   Join Date: May 2007 Posts: 328	RV Plumbing VIPlumber, you forgot Schedule 5 pipe. Much of the RV plumbing is special to the RV business. Just go to an RV repair shop. Take samples.