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Old 04-13-2024, 08:48 AM   #1
1 Rivet Member
1979 30' Argosy
Grand Rapids , Michigan
Join Date: Feb 2021
Posts: 6
HepVo Install Beneath Shower

Renovating my 1979 Argosy 30, and looking for advice/input on installing the HepVo beneath the shower platform. My approach here (pictured) is to simply replace the p-trap, which was originally installed by cutting away the subfloor, with a HepVo. But wanting to make sure I'm not creating any issues where the one-way valve doesn't function properly.

In the HepVo installation guide, it says "All vent connections must be
located down stream of the HepvO valve." I guess in my approach that's technically true, as the HepVo is installed directly beneath the shower drain before connecting to the main drain. But the venting is actually upstream of the combo wye where that connection happens.

(I have a two-tank grey system, and both are separately vented.)

I've tested with my garden hose, and it seems to drain just fine.

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