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Old 01-17-2022, 12:46 PM   #1
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Draining the water tank.

To drain the water out of our Tiffin coach, I just opened the low point drains and then opened the faucets and it’s flowed out via gravity. Seems the only way to get the low point drains to work in this Alpine is to run the pump. Is this correct
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Old 01-17-2022, 01:10 PM   #2
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The water tank has a direct drain. There’s a pull cable located in the DS compartment behind the LPG compartment.
Bob Bowers (Surprise, AZ)
2003 Alpine Coach 40' FDTS
2014 Jeep Cherokee Lattitude
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Old 01-17-2022, 01:15 PM   #3
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Originally Posted by bcbowers View Post
The water tank has a direct drain. There’s a pull cable located in the DS compartment behind the LPG compartment.
Thank you. 😊
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Old 01-17-2022, 01:32 PM   #4
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Word of caution before you pull the fw tank drain valve may not fully seat closed if it hasn't been used in some time. A pita to access.
I drain our fresh water tank by removing the incoming feed line at the 12v water pump and insert the pex into a 4' scrap piece of pcv pipe and let it hang out the bay door. Works like a charm and also allows you to drain out the pump when winterizing.
2000 Alpine 36 FDS #74058
04 Jeep Wrangler TJ
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Old 01-17-2022, 06:07 PM   #5
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It depends. I believe in 2006 WRV did away with the 1 1/2” dump valve and went with the slower 1/2” tube. It will drain if you open the faucets in the coach. I just replaced mine last week. Pretty simple and straightforward once the access panel was removed. On our mid-door, the way in is to slide out the basement tray and remove a 1’ x 3’ panel on the forward wall. WRV used excessively long self-tapping screws, into thick steel, to attach a thin, carpeted board that serves no structural purpose. They buried the heads, which had to be dug out with a utility knife before busting a knuckle trying to spin them out. I have yet to reinstall the panel and will likely use a few Velcro tabs. There’s some useable storage in there.

I also cut 2” off the tube, glued on a slip to thread fitting and have a threaded cap on standby in the event the valve ever leaks again. Probably could have fixed the leak with the o-rings that came with the new valve. I did reuse the existing cable.
Alpine Coach ‘05 36MDDS
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tank, water

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