Jayco RV Owners Forum

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Old 06-26-2016, 08:05 AM   #1
Junior Member
Join Date: Jun 2016
Location: Strongsville
Posts: 2
Grey #1 vs. Grey #2

What exactly drains into the grey tanks? My grey #1 always fills, yet grey #2 remains empty. I have a 34RSBS. The owners manual doesn't address this. Can they be connected to fill evenly or for overflow?

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Old 06-26-2016, 08:08 AM   #2
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Join Date: Sep 2015
Location: North Greenbush
Posts: 523
One is for the bath shower and sink, and typically fills 4 or 5 times as often as the other, which is just for the kitchen sink. With an added slide gate over my drain cap, I can equalize mine, giving me greater capacity....

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Old 06-26-2016, 07:18 PM   #3
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Join Date: Jun 2016
Location: Rockledge
Posts: 1
Hi Joyce. We own a 338RETS . I believe yours is set up like ours and has the hookups for a washing machine in the closet. The second gray water tank is for the washer. You can buy a gate valve to add where your sewer hose connects. This way you can fill both gray water tanks. Just keep the black water valve closed till your ready to drain the trailer. The valve is made by Valterra part # T58 it's like $25. Check it out it's great. We doubled our gray water capacity.
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