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Old 10-06-2017, 10:56 AM   #1
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1999 30' Excella 1000
Maryville , Tennessee
Join Date: Oct 2017
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'99 Excella 30' Water Heater Bypass Valve Access

Hello everyone!

The water heater bypass valve (the one in the horizontal part of the "H" valve configuration) has a slight drip coming from the valve stem. Normally you can tighten the packing nut and fix this, or remove the packing nut and replace the packing/gasket with a rebuilt kit. They're basically toilet/sink valves.

Anyway, I can barely get to the valve (through the undersink cabinet door) to turn it on or off. I don't really see a possibility of getting two wrenches in there (one to hold the valve and the other to tighten/remove the packing but). Am I missing something? I'd like to eventually replace these multi-turn valves with quarter turn ball valves, but I really don't see a way to get in there and cut the pex bands or wield a pex band crimper.

Thanks for any advice.
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Old 10-06-2017, 11:07 AM   #2
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2002 30' Classic S/O
Melbourne Beach , Florida
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Same setup in my Classic 30. The simplest (only?) solution may be to disconnect the gas line and water lines at a convenient place and pull the heater.

Al
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Old 10-06-2017, 11:12 AM   #3
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1999 30' Excella 1000
Maryville , Tennessee
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Quote:
Originally Posted by Al and Missy View Post
Same setup in my Classic 30. The simplest (only?) solution may be to disconnect the gas line and water lines at a convenient place and pull the heater.

Al
Do you disassemble the cabinet to pull the heater or does it come out through the bottom or side of the trailer?

Thanks
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Old 10-06-2017, 11:27 AM   #4
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Mine was weeping. I temporarially gave the shaft a shot of silicone lube 5 years ago until I could get around to it....
Still dry 5 years later.
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Old 10-06-2017, 12:04 PM   #5
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2000 30' Excella
Toledo , Ohio
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Good luck with that I can barely get my hand in there to turn the valve . Thinking about cutting some kind of access door in the cabinet but haven't done it yet . Other thing would be to remove the entire cabinet that wouldn't be fun either . So far no leak .
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Old 10-07-2017, 09:41 AM   #6
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1997 28' Excella
Eden , Utah
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Access to heater bypass

I don't know what type of configuration you have in your bedroom but in my 97 28' Excella I gained access by lifting up the platform of one of the twin beds on heater side and holding it up with a piece of 2x4.

Hope this helps,

Hank
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Old 10-07-2017, 10:04 AM   #7
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2002 30' Classic S/O
Melbourne Beach , Florida
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Quote:
Originally Posted by disneyd View Post
Do you disassemble the cabinet to pull the heater or does it come out through the bottom or side of the trailer?

Thanks
Mine comes out through the side of the trailer where the door is.

Al
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File Type: pdf Atwood Water Heater Manual.pdf (370.2 KB, 4 views)
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"You cannot reason someone out of a position they have not been reasoned into"

Al, K5TAN and Missy, N4RGO
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2013 Dodge 2500 Laramie 4x4 Megacab Cummins
2001 Safari 25 RB Twin (Gone, but not forgotten)
WBCCI 1322, TAC FL-39, AIR 82265

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Old 10-07-2017, 10:29 AM   #8
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1997 30' Excella
Virginia Beach , Virginia
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I have a 30' 97 Excella Classic. It sounds like the bypass valve is located where mine is. I had to get into that same area to fix a leak in a split line and had to take out the sink/cabinet to do any effective work. Its not hard, just a little cumbersome trying to move the cabinet away from the wall. I did have to ease the bedroom bulkhead alittle to bring it out though.
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Old 10-09-2017, 10:35 AM   #9
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Should be in another little door inside the bathroom cabinet under the sink.
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