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Old 01-05-2016, 04:02 PM   #1
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Draining the water heater on 2604

This has happened twice so I thought I'd ask to see if anyone else has noticed this.
We park the TT for January and February. On the way home from our New Year's outing last year and again this year, I noticed the water heater empties completely if we drive home with the low point drains open and all the inside faucets open. I assume it does so by draining out the cold water inlet at the bottom of the tank.
I mention this as a heads up. It makes it a whole lot nicer pulling the anode for inspection knowing the tank is already empty.
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Wright and Penny
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Richmond, Va.
2010 Tundra 4X4 5.7L V8
2014 Rockwood 2604WS
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Old 01-05-2016, 04:16 PM   #2
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And all the White Crud Downstream from the W/H Tank! Youroo!!
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Old 01-05-2016, 04:30 PM   #3
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Quote:
Originally Posted by youroo View Post
And all the White Crud Downstream from the W/H Tank! Youroo!!
Actually, it will be upstream on a 2604. On this trailer, there is a straight shot from the WH's cold water inlet to a T. The line continues from the T to the low point drain. The line from the T to the city water connection and the rest of the trailer is the 90 side of the T and runs up. Water drains from the tank to the T, meets all the other water draining from the trailer at the T and continues on its way to the low point drain.
That's why I thought I'd mention this so other 2604 owners would know. It may not work on other models, as you noted.
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Wright and Penny
(with Fitz and Lizzie, the camping kitties)
Richmond, Va.
2010 Tundra 4X4 5.7L V8
2014 Rockwood 2604WS
Life is a cruel teacher. She gives the test first; the lesson then follows.
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Old 01-05-2016, 04:39 PM   #4
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Quote:
Originally Posted by awellis3 View Post
Actually, it will be upstream on a 2604. On this trailer, there is a straight shot from the WH's cold water inlet to a T. The line continues from the T to the low point drain. The line from the T to the city water connection and the rest of the trailer is the 90 side of the T and runs up. Water drains from the tank to the T, meets all the other water draining from the trailer at the T and continues on its way to the low point drain.
That's why I thought I'd mention this so other 2604 owners would know. It may not work on other models, as you noted.
I have never know water to Run Up,but then I dont know where you are! Youroo!!
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Old 01-06-2016, 01:23 PM   #5
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I like to drain and flush WH first then open low point to avoid the crud.
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Old 01-06-2016, 11:59 PM   #6
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youroo, remember when you used to suck gasoline through a hose to get it to come UP out of the gas tank? Same principal. If you create a siphon, then the water will go UP and then down the hose if the hose end is lower than the water in the hot water tank.
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2012 CC Silverback 29RE
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