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General Discussion of preventative/corrective maintenance and other technical issues regarding your coach that are not covered in other Mechanic's Corner categories (ex. refrigerators, water heaters, and compressors).

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  #1  
Old 03-29-2018
Nelson007 Nelson007 is offline
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Default Question about water heater 1994 4ft.

Does someone know where the water feed valve is located to fill hot water tank. I found the drain tank valve next to the bed, I closed that . I get water out of all the hot water spigots, but it is not hot.
Is there a Hot Water by pass valve somewhere? It’s been so long I can’t remember if I had a by-pass valve installed, or it was on the bus when I bought it.
I did turn the AC breaker on.

Thanks,
Nelson
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1994 40ft

Last edited by Nelson007; 03-29-2018 at 03:19 PM.
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Old 03-29-2018
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If your getting water out of the hot side its going through the water heater unless you have a bypass. Sorry I cant tell you if someone has put one on your coach or not. Can you post a picture of the water heater? That will help.
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  #3  
Old 03-29-2018
Nelson007 Nelson007 is offline
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Rick,
I did find that I had a by-pass in the bus. Unfortunately I turned the AC to the heater without realizing I had a by-pass. I turned the AC off for about 2 hours before I filled it with water. After turning back the AC I still don’t have hot water. Would turning the AC on without water in the tank cause the element to brake?
If so can the element be replaced? Is there a another breaker for the water heater besides the main breaker?
Thanks,
Nelson
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1994 40ft

Last edited by Nelson007; 03-29-2018 at 08:38 PM.
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Old 03-29-2018
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Quote:
Originally Posted by Nelson007 View Post
Rick,

Yes?
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  #5  
Old 03-29-2018
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Quote:
Originally Posted by Nelson007 View Post
Rick,
I did find that I had a by-pass in the bus. Unfortunately I turned the AC to the heater without realizing I had a by-pass. I turned the AC off for about 2 hours before I filled it with water. After turning back the AC I still don’t have hot water. Would turning the AC on without water in the tank cause the element to brake?
If so can the element be replaced? Is there a another breaker for the water heater besides the main breaker?
Thanks,
Nelson
Our 91 WB has a switch in the cabinet below the kitchen sink that turns the water heater on and off.
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  #6  
Old 03-29-2018
Tim M. Tim M. is offline
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The Atwood Marine Electric water heater has a high limit switch. If you fired the water heater when empty, hopefully the high limit protected the element. Test voltage to the heating element, if there is zero volts at the element, check the high limit (assuming you have verified voltage going to the water heater). If you have voltage at the element ant no hot water, test the amps at the element. If voltage is present with zero amps, then you will need a new element (don’t forget a gasket too).
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Old 03-30-2018
Nelson007 Nelson007 is offline
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Thanks Tim,
Will start trouble shooting today. Already took the plywood off the bed.

Nelson
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Old 03-30-2018
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Where is your water heater??
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Last edited by Rick; 03-30-2018 at 09:12 AM. Reason: changed question
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  #9  
Old 03-30-2018
Nelson007 Nelson007 is offline
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Just check my bus for switch. Does not have one under the sink. I assume the only thing that controls the AC is the circuit breaker.
Nelson




QUOTE=Dieselbird01;411063]Our 91 WB has a switch in the cabinet below the kitchen sink that turns the water heater on and off.[/QUOTE]
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Old 03-30-2018
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Quote:
Originally Posted by Nelson007 View Post
Just check my bus for switch. Does not have one under the sink. I assume the only thing that controls the AC is the circuit breaker.
Nelson




QUOTE=Dieselbird01;411063]Our 91 WB has a switch in the cabinet below the kitchen sink that turns the water heater on and off.
[/QUOTE]

I hate to question you, but are you pulling the handle on the false front between the sink and the lower cabinet? Inside there should be the hot water heater switch, the Konstant Hot switch, the garbage disposal switch and the engine block heater switch.
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