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| Re: [GMCnet] attwood electric water heater. [message #354568 is a reply to message #354565] |
Sat, 09 May 2020 14:13   |
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Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
Karma: 7
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Senior Member |
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Hanson Email wrote on Sat, 09 May 2020 14:48I'm puzzled.
I have a 75 Avion with electric and engine water - water heater. Exchanger works but not the electric. I changed the probe, verified the 110, at the
probe. How can it not work? Weak ground? I'm lost here.
Dean Hanson
Fremont, Ca.
Dean,
If you have power at the heater and it is not heating, then the heating element is probably open. If you disconnect the power and measure it as resistance, you should get a low number like in the teens when cold. If that is not what you see, come back and someone will tell you the right element to put in there.
Matt
Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
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| Re: [GMCnet] attwood electric water heater. [message #354569 is a reply to message #354568] |
Sat, 09 May 2020 14:44 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Senior Member |
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A word to the, as yet uneducated, on the school of applying voltage to a
heating element not surrounded by water. Service life on the element so
exposed, is measured in seconds, not years. They burn out almost
immediately when the tank is empty, and you turn them on. No arcing or
noise. They just go open circuit, never to be used again.
Jim Hupy
Salem, Oregon
On Sat, May 9, 2020, 12:13 PM Matt Colie via Gmclist <
gmclist@list.gmcnet.org> wrote:
> Hanson Email wrote on Sat, 09 May 2020 14:48
>> I'm puzzled.
>>
>> I have a 75 Avion with electric and engine water - water heater.
> Exchanger works but not the electric. I changed the probe, verified the
> 110, at
>> the
>> probe. How can it not work? Weak ground? I'm lost here.
>>
>> Dean Hanson
>> Fremont, Ca.
>
> Dean,
>
> If you have power at the heater and it is not heating, then the heating
> element is probably open. If you disconnect the power and measure it as
> resistance, you should get a low number like in the teens when cold. If
> that is not what you see, come back and someone will tell you the right
> element to put in there.
>
> Matt
> --
> Matt & Mary Colie - '73 Glacier 23 - Members GMCMI, GMCGL, GMCES
> Electronically Controlled Quiet Engine Cooling Fan
> OE Rear Drum Brakes with Applied Control Arms
> SE Michigan - Twixt A2 and Detroit
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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| Re: [GMCnet] attwood electric water heater. [message #354570 is a reply to message #354565] |
Sat, 09 May 2020 17:38 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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I am not familiar with Atwood,m but there is usually an over temperature device usually mounted on the end of the tank. It shuts off the power if the temp gets too hot. Get out your meter and see if it electrically is open. Some are automatic reset and some are mechanical (push the button) reset.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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