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Thanks Sylvan

@Reach and @WorthFlorida, thanks a lot for the explainer. I was confused by the manual, which I guess (?) is trying to cover the possibility that the factory-installed heat trap nipples aren't present (I guess). Anyways, I'm glad not to have to worry about putting in extra pipe and elbows.

My question is very similar to the one asked 6 years ago. I also have a Rheems 40 gallon gas WH (22V50F1), whose supply lines I'm replacing and relocating to another wall. The guy who put in the unit originally installed a U-shaped heat trap on each line, apparently following the manual, which...

Got it, thanks very much for your suggestions. Guess I've got some more visits to Lowe's in my future. Also, in re to your post above, "If the vent riser is connected to the WC fixture drain as a dry vent, then yes the dog leg should be at least 6" above the WC flood rim level. On the other...

Hi Wayne, thanks for the clarification, sorry for my confusion. So, something like this?

The vent is for the W/C (it just happens to be located adjacent to the intended shower pan); the shower drain vents separately (2 inch) in the back wall (see picture 3).

Hi Reach4, thanks for replies above. No the vent is for the toilet only. This wall is perpendicular to the garage wall. Vent stack PVC is 3 inch. Thanks for the suggestion re flush plug, hadn't seen these. I will keep the clean-out itself completely free of any studs, sitting just behind...

Wayne thanks for the speedy reply. Yes, the vent riser is dry. I can raise the dogleg 6 inches above the WC flood rim. The shower is not wet venting the WC -- I had a plumber snake the vent stub and he said the WC sewer line heads off and is not connected to the shower drain at this point (see...

Reach - thanks for the answers, pic. As assembled, the socket of the clean-out came through the stud and the plug was removable. But I will redo the stud around the clean-out (was trying to keep the fixture from sticking out into the garage bay, but there may be no way to avoid this). I used a...

I have some a question on plumbing code relating to a vent stack modification in a shower/bathroom remodel on the ground floor of a Texas home (cement slab, no basement, pictures attached). This remodel will convert what was a small (and badly leaking) shower (3'x3') to a larger, walk-in one...