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Old 07-21-2016, 08:07 AM   #1
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Updating bathroom 1970 sovereign

Gutted bathroom and now trying to rebuild shower. Appears we have to keep the drain at least 6" off floor so it will drain and have p trap. I saw other pictures where people have drain level with floor. Not sure how this is possible. Am I correct with the 6"?

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Old 07-21-2016, 12:25 PM   #2
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1975 Argosy 28
Springville , Alabama
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Look up hepvo valves, the eliminate the need for a p-trap

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Old 07-21-2016, 02:56 PM   #3
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1992 25' Excella
Orange County , New York
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How far is your drain from the tank?
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Old 07-21-2016, 03:20 PM   #4
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Houston , Texas
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In the original design of the shower in my '73, the base of the shower was flat against the floor, and the P-trap hung and inch or so below the bellypan and was covered by a square plastic cover. In my redesigned bathroom, the shower will also sit flat on the floor, and I will use a hepvo valve instead of a trap.

good luck!
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Old 07-21-2016, 04:50 PM   #5
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Old 07-21-2016, 05:35 PM   #6
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1992 25' Excella
Orange County , New York
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Normal pitch is 1/4" to a foot so the bottom of the exit of your shower drain (not the trap itself but horizontal exit).
At 16" you only need slightly more than 1/4" on level for the drain to run properly. Your inlet for your grey tank is probably low enough to have the shower base sitting floor level, your only limitation is the inlet for your tank.
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Old 07-23-2016, 05:08 PM   #7
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1972 29' Ambassador
golden valley , Minnesota
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rear bath remodel

I have a 72 soverign in which I lowered the shower pan down to the floor. I am 6'3" tall so this was a major improvement. The only reason for raising the shower was to run the furnace ductwork, which I removed, into the bathroom. There is no grey water tank to worry about so I was able to put a regular P-trap under the floor in the belly pan area. I used one with a plug in the bottom of the trap so I could drain it for the winter and not have to use antifreeze.

Mike and Laurie
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