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Old 03-01-2015, 07:43 AM   #1
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Smile 2010 Fleetwood Discovery Water Heater

I just moved from a 2000 Alpine to a 2010 Fleetwood Discovery. Both 40 ft. but a monumental jump in amenities and "g" whiz stuff. The Discovery has a Atwood XT water heater that provides lukewarm hot water at a best. After reading here, looks like the mixing valve at the back of the water heater may be the culprit. The heater is at the very back of motor home and just below the closet floor. My question is: How do I access the heater without cutting a hole through the carpet and closet floor?

Thanks. Any info would be helpful and pictures if available.

Rkkcf
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Old 03-01-2015, 08:10 AM   #2
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You might want to ask this in the Fleetwood Owners forum of this site. Better chance that another Discovery owner will see it and help.

If its under the floor, is there any access from the storage bays underneath?

There may be other cause that are mixing in cooler water, e.g. an open outside shower valve or a single lever faucet (sink or shower) that is letting water leak between the hot & cold sides.
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Old 03-01-2015, 08:44 AM   #3
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Quote:
Originally Posted by Rkkcf View Post
I just moved from a 2000 Alpine to a 2010 Fleetwood Discovery. Both 40 ft. but a monumental jump in amenities and "g" whiz stuff. The Discovery has a Atwood XT water heater that provides lukewarm hot water at a best. After reading here, looks like the mixing valve at the back of the water heater may be the culprit. The heater is at the very back of motor home and just below the closet floor. My question is: How do I access the heater without cutting a hole through the carpet and closet floor?

Thanks. Any info would be helpful and pictures if available.

Rkkcf
Very simple, first thing I would check is the outside shower valve is turned off, because it has been known to cause mixing if one of the valves is open. If that's not the culprit the water heater cover will actually just lift out of the closet as it just sits on a small shelf, and you have access to the mixing valve. If you do a search on that mixing valve you will see that it is very easy to fix it by just taking the glue out of the Allen head screw that is on the end of the mixing valveand just turning the knob back-and-forth a few times to loosen up the mineral deposits that seem to keep it from working properly.by turning the knob on the end of the mixing valve you will actually change the temperature of the hot water. The glue was only in there to prevent you from removing the factory set position on that knob. Good luck
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Old 03-01-2015, 10:49 AM   #4
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Their is one off and on valve and then a check valve I think, so if the on/off valve slightly open it would mix the hot and cold water.

Does the box over the wh just lift off? Ours does. There may be some screws that hold it in. I used a metal stud finder to find some in the floor for instance.

Good luck.


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