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Old 06-13-2017, 10:49 PM   #1
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Holding Tank Valve Stuck Open!!

My husband and I are completely new to owning a camper, and we recently bought a 2003 Holiday Rambler Alumascape. I've read through the manual on specific things we need to know about, but I still need some help.

Basically, we had a huge problem today. We needed to empty one of our grey water tanks, which was reading "full". We purchased a new Rhino Flex hose and I was excited to do the thing! Unfortunately, even after referring to the manual numerous times, I somehow missed that the black water valve was stuck in the open position, and a mess of nastiness dumped out when I opened the cap to attach the hose.

There are three valves on this model, two grey water and one black water. I'm positive the black water is the one stuck open. It is pulled out all the way and will not budge. I can't seem to find any info on this particular camper and have no idea about what I should do. Luckily, we hadn't been using the camper for more than a few days, so the black water tank wasn't very full.

Thanks for reading and helping out a total newbie!

~Sarah
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Old 06-13-2017, 11:02 PM   #2
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Hi Sarah and welcome to IRV2.

Until you can fix the valve you can purchase one that fits between the hose and the dump plumbing to get you by. Most RV dealers carry them in their parts/supply store.

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Old 06-13-2017, 11:08 PM   #3
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You can try spraying WD40 or PB Blaster all along the cable to the black valve assembly, if you can see it.
But you might wind up going in for service.
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Old 06-13-2017, 11:30 PM   #4
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Quote:
Originally Posted by Arch Hoagland View Post
You can try spraying WD40 or PB Blaster all along the cable to the black valve assembly, if you can see it.
But you might wind up going in for service.
Per Valterra, use Silicone spray. Don't use WD-40 as it will wash out any existing lubricant.
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Old 06-13-2017, 11:43 PM   #5
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My 2 Cents

FYI it's pretty easy to replace those valves. Just undo the 4 bolts, replace the valve and bolt it back up. I do mine every so often because the sediment in the local water builds up and causes leaks. If you get the valve off and can clean it up you can replace just the rubber seals.

Her's some links that might help:

The whole shabang:

https://www.etrailer.com/RV-Plumbing...a/T1003VP.html

The seals:

https://www.etrailer.com/Accessories...FZS4wAodsmMKbA

Just make sure you get the right size. Most black water valves are 3".........
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Old 06-14-2017, 09:24 AM   #6
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Thanks

Thank you, I didn't expect to get replies so quickly. This seems like a great resource so I'm sure I'll be back! I'll try out the replacement valve for now.
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Old 06-14-2017, 06:59 PM   #7
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My cable operated valve was sticking on a recent trip. No problem, I'll just put on the new twist-on valve I had for just that occasion and use it till I got home. Well the blasted thing fit so loosely that there is no way it would have stayed on while traveling. If you are carrying one, test fit it before disaster strikes.
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