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Old 09-21-2021, 02:47 PM   #1
BandT
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Mystery gate valve

Can someone identify this valve for me? We have got the Black, the Grey, rear half bath, and the flush valves sorted I believe. But we do not have any idea what’s this valve is for. Thanks!

Not sure why its upside down, tried both ways, still upside down!
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Old 09-21-2021, 02:53 PM   #2
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Looks like it could be a fresh water dump
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Old 09-21-2021, 03:18 PM   #3
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That should be the fresh tank drain.
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Old 09-21-2021, 03:47 PM   #4
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Quote:
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Not sure why its upside down, tried both ways, still upside down!

Reverse gravity freshwater tank fill port


Caution when pulling that lever.... it makes one heck of a wet spot, real fast
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Old 09-21-2021, 03:52 PM   #5
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Yup fresh water drain and I can second the statement, open it slowly and be prepared to get wet.
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Old 09-21-2021, 03:54 PM   #6
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I didn’t know there was such a thing! Thank you everyone!!
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Old 09-21-2021, 04:29 PM   #7
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Mine is a stub of 1/2” PEX with a quarter-turn valve on the end. It takes a couple of hours (at least) to drain my tank
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Old 09-21-2021, 04:30 PM   #8
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Just gotta love the placemenct of that handle!
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Old 09-21-2021, 04:48 PM   #9
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Just gotta love the placemenct of that handle!

Ain't that the truth! I heard Keystone had worked a deal with Reed Richards of the Fantastic Four (Stretch, Rubber Man etc.) to teach folks how to crawl down there, manipulate/flex/bend your arm between the tire and spring hanger and then pull the handle to drain the tank. Anymore drain placement and the associated handles is a "must see" thing for us before buying. Looks like once you get wedged in there to pull the handle to that big valve, when you do pull it you are going to get soaked....take a towel!
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Old 09-21-2021, 05:02 PM   #10
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Just gotta love the placemenct of that handle!
It's "carefully designed" so you can hide behind the wheel, reach through the spring pack and only get your knees soaked when you pull the handle, skin your wrist on the sharp metal on the spring hanger and can't get up because you slipped in the mud..... Keystone thinks of everything to "help" the RV enthusiast
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Old 09-21-2021, 08:19 PM   #11
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They should include a wet suit and air tank. Just when you think "it can't get worse" they have to prove they can.
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Old 09-22-2021, 06:36 AM   #12
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It appears to be a varmit access point. You might want to seal it when you crawl up there to get your prone shower.
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Old 10-03-2021, 05:20 PM   #13
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Tie a looped rope on the handle stand back and pull, make the rope as long as you wish, no getting wet. You may get you knees wet when you go to shut the valve.
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Old 10-03-2021, 05:27 PM   #14
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I assume the guy pulled it with his awning hook. Awning hooks are great for lots of things.
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Old 10-03-2021, 05:45 PM   #15
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I would add a fitting to the discharge side of that valve that I could attach a garden hose to so the water could be directed to a more manageable spot.
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Old 10-03-2021, 06:58 PM   #16
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I'm sort of surprised that that valve has no bayonet prongs that you could pop a Valterra hose-port cap onto. Maybe they want to make sure nobody will put a sewer hose on it and contaminate the fresh tank.
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Old 10-07-2021, 09:55 PM   #17
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Absolutely the fresh water tank valve in photo, but to drain everything you may also have a secondary PEC valve for hot water tank and plumbing system,
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