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Old 04-25-2013, 08:55 AM   #1
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1967 26' Overlander
San Antonio , Texas
Join Date: Nov 2011
Posts: 3
Complete Plumbing System for Dummy

I'm in the process of a complete remodel of a 67 AS Overlander- I took it down to the shell and have rebuilt the frame, exterior, windows, and re-insulated. I'm changing to a starboard bath with a port side kitchen. Anyone have specific advice, know how, place to look, specific information on the plumbing systems- supply, sanitary, and propane? Not sure where to gain such knowledge other than spending a bunch of dough on trial and error- (already have doen that to get this far). Attached is a plan of the new layout. Any advice or place to search would be greatly appreciated.) Located in San Antonio if anyone has specific knowledge of a local source to help- seems AS renovation companies only want to do the whole remodel project- where's the fun in that?
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File Type: pdf PLANS-B-AS-Plan-Systems.pdf (660.3 KB, 123 views)

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Old 04-25-2013, 11:26 AM   #2
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2010 30' Classic
Vintage Kin Owner
South of the river , Minnesota
Join Date: Dec 2009
Posts: 4,129
1) Use ABS pipe from a home center for the drains. Use cemented traps for the sinks and shower, they are less susceptible to leaking after being exposed to vibration. Get the Valterra dump valves and bayonet.

2) Use PEX for freshwater. Again get the stuff from a home center. The fittings that use the crimp rings will work out best cost wise and reliability wise even though you will have to buy a crimper. Most people plumb the whole trailer in 1/2" PEX though you can use a mixture of 1/2" and 3/8" if you want.

3) Use Type K copper tubing with flare connections for propane. Best to have someone who's done it show you how for safety

The plumbing is mostly the same as residential except that you will want to use more secure tiedowns and hangers and place them closer together than you would for a stick house. There are some shortcuts you can take that are not code in stick houses, most notably the air inlet valves and the membrane traps for the drain system.

Vintage Trailer Supply's web site has most of the RV-specific parts you will need and is better organized and focused on what we do than Tweety's and the other large web RV retailers.
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