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Grey tank hand valve


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If gray water is leaking into the hose when the valve is closed, raise the street side bed access hatch nearest the pantry and you will see the gray water valve.  Push the silver cylinder at the end of the cable as far down as you can.  That should solve the leaking.

It is probably time to remove the cable from the outside and clean and lubricate it.  It’s not difficult, loosen the screw on top of the gray water gate (under the street side bed), then pull it out from the outside.  Clean and lubricate the cable then stick it back in and push it until it reaches the gate inside.  While the outside handle is in the closed position, re-tighten the screw on the cable inside.  That’s really all there is to it.  I’ve done mine (and the black tank gate cable) twice in 7 years and it works fine.  Mike

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Texas Hill Country | 2016 Elite II #135 | 2020 Ram 2500 6.7L


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If it's not the cable, it could be the valve itself. Our last trailer had a tank valve where the seals were very tight against the gate, making it hard to operate. Adding some RV tank valve lubricant every spring solved the issue. You just pour some into the tank before a trip.Thetford RV Drain Valve Lubricant... https://www.amazon.com/dp/B000BGK2L0?ref=ppx_pop_mob_ap_share

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Stephanie and Dudley from CT.  2022 LE2, Hull #1150: Eggcelsior.

Tow vehicle: 2016 GMC Sierra 6.0 gas dually 4x4.

Our Oliver journey: Steph and Dud B's RV Screed

Where we've been RVing since 1999:


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