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Hot Water Heater [message #358784]

Sat, 19 September 2020 11:51

Samuel Ferguson

Messages: 107
Registered: September 2019
Location: Pittsfield, Illinois

Karma: 0

Senior Member

Is there a way to regulate the temp for the hot water heater on a 76 Palm Beach. Water is scalding hot!!! Not wanting to have change it out if I do not need to....

Samuel Ferguson Summer Hill, Illinois (West Central Illinois) 1976 GMC Palm Beach

[Updated on: Sat, 19 September 2020 12:57]

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Re: [GMCnet] Hot Water Heater [message #358789 is a reply to message #358784]

Sat, 19 September 2020 12:50

stu@97381.com, Emery

Messages: 232
Registered: June 2020

Karma: 2

Senior Member

If that is the original water heater it has a thermostat that can be adjusted. It is located under the cover on the face. If the thermostat has gone bad they can be bought at Ace hardware, Home Depot and many other stores.

Emery Stora

> On Sep 19, 2020, at 10:52 AM, Samuel Ferguson via Gmclist wrote:
>
> Is there a way to regulate the temp for the hot water heater on a 76 Palm Beach. Water is scalding hot!!! Not wanting to have change it out if I do
> not need to....
> --
> Samuel Ferguson
> Summer Hill, Illinois
> (West Central Illinois)
> 1976 GMC Palm Beach
>
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Re: [GMCnet] Hot Water Heater [message #358791 is a reply to message #358789]

Sat, 19 September 2020 14:07

Samuel Ferguson

Messages: 107
Registered: September 2019
Location: Pittsfield, Illinois

Karma: 0

Senior Member

Emery,

I not seeing a thermostat on the face (lavatory end of hot water heater). Wiring and piping located on front face. Insulation wrapped around body.

Sam

Samuel Ferguson Summer Hill, Illinois (West Central Illinois) 1976 GMC Palm Beach

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Re: [GMCnet] Hot Water Heater [message #358793 is a reply to message #358791]

Sat, 19 September 2020 14:51

stu@97381.com, Emery

Messages: 232
Registered: June 2020

Karma: 2

Senior Member

There is a metal cover on the face Remove that and beneath it are the thermostat (called Control assembly in the manual).and the heating element.

Do you have the GMC motorhome maintenance manual X7525 ? On page 24J-20 is the Type 1 water heater with the square case and on page 24
J-21 is Type 2 with the round case. The Control Assembly is under the cover right above the heater element.

Emery Stora
77 Kingsley
Frederik, CO

> On Sep 19, 2020, at 1:08 PM, Samuel Ferguson via Gmclist wrote:
>
> Emery,
>
> I not seeing a thermostat on the face (lavatory end of hot water heater). Wiring and piping located on front face. Insulation wrapped around body.
>
> Sam
> --
> Samuel Ferguson
> Summer Hill, Illinois
> (West Central Illinois)
> 1976 GMC Palm Beach
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org

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Re: Hot Water Heater [message #358794 is a reply to message #358784]

Sat, 19 September 2020 15:21

midlf

Messages: 2212
Registered: July 2007
Location: SE Wisc. (Palmyra)

Karma: 1

Senior Member

Samuel Ferguson wrote on Sat, 19 September 2020 11:51

Is there a way to regulate the temp for the hot water heater on a 76 Palm Beach. Water is scalding hot!!! Not wanting to have change it out if I do not need to....

Was the water heated by the electric system or by the engine coolant loop through the water heater? If you had the engine running anytime in the previous few hours the water will be scalding hot. There is no easy way to control the engine heater loop. If was heated by the electrical element then the comments made by others are good.

To solve this on our '74 I installed a thermostatic mixer valve in the hot water line.

Steve Southworth
1974 Glacier TZE064V100150 (for workin on)
1975 Transmode TZE365V100394 (parts & spares)
Palmyra WI

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Re: [GMCnet] Hot Water Heater [message #358800 is a reply to message #358794]

Sat, 19 September 2020 18:23

jimk

Messages: 6734
Registered: July 2006
Location: Belmont, CA

Karma: 9

Senior Member

We have an Atwood Hot water flow controller, it senses the heat at the tank
and supplies engine vacuum to shut it down when it reaches a set temp

On Sat, Sep 19, 2020 at 1:22 PM Steve Southworth via Gmclist <
gmclist@list.gmcnet.org> wrote:

> Samuel Ferguson wrote on Sat, 19 September 2020 11:51
>> Is there a way to regulate the temp for the hot water heater on a 76
> Palm Beach. Water is scalding hot!!! Not wanting to have change it out if I
>> do not need to....
>
> Was the water heated by the electric system or by the engine coolant loop
> through the water heater? If you had the engine running anytime in the
> previous few hours the water will be scalding hot. There is no easy way
> to control the engine heater loop. If was heated by the electrical element
> then the comments made by others are good.
>
> To solve this on our '74 I installed a thermostatic mixer valve in the hot
> water line.
>
> --
> Steve Southworth
> 1974 Glacier TZE064V100150 (for workin on)
> 1975 Transmode TZE365V100394 (parts & spares)
> Palmyra WI
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>

--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.gmcrvparts.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502

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Re: Hot Water Heater [message #358819 is a reply to message #358784]

Sun, 20 September 2020 17:43

Larry

Messages: 2875
Registered: January 2004
Location: Menomonie, WI

Karma: 10

Senior Member

We have a propane water heater assisted by engine heat. When parked, we use to turn the heater on shortly before we needed hot water for washing up or dishes etc. Problem came when we would forget to turn it off before it got to hot, or forget for the whole day leaving it to relight each time the thermostat told it to do so leaving us with squalling hot water when we didn't need it. A total waste of propane. So I put a simple timer in the power circuit. When we get up in the morning or 10-15 minutes before we need hot water for dishes at dinner time, I turn the dial and it shuts itself off after 10-15 minutes which seems to be about the amount of time needed to get hot but not squalding hot water. Then I don't have to worry about forgetting to shut it off. Just tick...tick....tick...tick and off. Work for us.

Like this one....
https://www.amazon.com/dp/B001XCWLXI/ref=sspa_dk_detail_3?psc=1&pd_rd_i=B001XCWLXI&pd_rd_w=iHQSQ&pf_rd_p=48d372c1-f7e1-4b8b-9d02-4bd86f515 8c5&pd_rd_wg=pDiNT&pf_rd_r=2A7ER1Y9EV7NQQRVKMRV&pd_rd_r=0c3fcb5d-b403-4c85-bcd8-3f9791970e1c&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUEzSTlBSk5F VkwwU1ZXJmVuY3J5cHRlZElkPUEwMzI5ODkyM0hUMUJHSDlUVENLNiZlbmNyeXB0ZWRBZElkPUExMDQwNTI4WlFPTEpZNUQ2R0o4JndpZGdldE5hbWU9c3BfZGV0YWlsJmFjdGlvbj1jbGlja1JlZG lyZWN0JmRvTm90TG9nQ2xpY2s9dHJ1ZQ==

or this:

https://www.amazon.com/BN-LINK-60-Minute-Countdown-Mechanical-bathroom/dp/B01LVTGKBR/ref=sr_1_9?_encoding=UTF8&c=ts&dchild=1&keywords=Wall +Timer+Switches&qid=1600641751&s=lamps-light&sr=1-9&ts_id=6291360011

Larry

78 Royale w/500 Caddy
Menomonie, WI.

[Updated on: Sun, 20 September 2020 17:47]

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