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wguss

So. California

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Posted: 06/07/22 09:54pm Link  |  Quote  |  Print  |  Notify Moderator

Interesting, thanks for the response. I wonder why my water heater will come on and run for about 10 minutes even after driving all day?

Still a little puzzling!

Bill

larry cad

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Posted: 06/08/22 05:47am Link  |  Quote  |  Print  |  Notify Moderator

A number of years ago, some friends had a Winnie class A and began getting foul smelling water from their shower head. Long story short, it turned out to be a leak between the Motoraid and the fresh water that was being heated. We disconnected the hoses from the Motoraid, and blocked them off and the problem went away. They lost the Motoraid heating, but didn't have automotive antifreeze in their fresh water system.

Don't know if this kind of problem could have any relation to yours, but I do know I don't like Motoraids.


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StirCrazy

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Posted: 06/08/22 06:39am Link  |  Quote  |  Print  |  Notify Moderator

wguss wrote:

It could be a cheap gauge? Here's the install...


[image]


where is that gauge taking its reading from? to me that looks like it might be on the city fill side of the valve, depending on the valve configuration. I would try moving it to the line after the valve so it isn't possibly reading the back pressure from the city water line.


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dougrainer

Carrolton, Texas

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Posted: 06/08/22 07:26am Link  |  Quote  |  Print  |  Notify Moderator

larry cad wrote:

A number of years ago, some friends had a Winnie class A and began getting foul smelling water from their shower head. Long story short, it turned out to be a leak between the Motoraid and the fresh water that was being heated. We disconnected the hoses from the Motoraid, and blocked them off and the problem went away. They lost the Motoraid heating, but didn't have automotive antifreeze in their fresh water system.

Don't know if this kind of problem could have any relation to yours, but I do know I don't like Motoraids.


Not really correct. IF the Motoraid tube somehow leaked coolant into the Hot Water Heater tank reservoir, then disconnecting the Motoraid hoses would then cause a fresh water pressure leak into the back side of the RV behind the Water Heater. ALL a Motoraid is, is a plain Aluminum tube about 8 inches long WELDED to the OUTSIDE of the Aluminum Water Heater tank. The Motoraid coolant NEVER goes thru the W/H tank and is NEVER connected to the fresh water system. Doug

2112

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Posted: 06/08/22 08:49am Link  |  Quote  |  Print  |  Notify Moderator

StirCrazy wrote:

where is that gauge taking its reading from?
At the regulator

[image]


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Posted: 06/08/22 09:21am Link  |  Quote  |  Print  |  Notify Moderator

dougrainer wrote:

larry cad wrote:

A number of years ago, some friends had a Winnie class A and began getting foul smelling water from their shower head. Long story short, it turned out to be a leak between the Motoraid and the fresh water that was being heated. We disconnected the hoses from the Motoraid, and blocked them off and the problem went away. They lost the Motoraid heating, but didn't have automotive antifreeze in their fresh water system.

Don't know if this kind of problem could have any relation to yours, but I do know I don't like Motoraids.


Not really correct. IF the Motoraid tube somehow leaked coolant into the Hot Water Heater tank reservoir, then disconnecting the Motoraid hoses would then cause a fresh water pressure leak into the back side of the RV behind the Water Heater. ALL a Motoraid is, is a plain Aluminum tube about 8 inches long WELDED to the OUTSIDE of the Aluminum Water Heater tank. The Motoraid coolant NEVER goes thru the W/H tank and is NEVER connected to the fresh water system. Doug


Doug, people say a lot of things that don’t make sense. This was just one of them!


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larry cad

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Posted: 06/08/22 09:31am Link  |  Quote  |  Print  |  Notify Moderator

dougrainer wrote:

larry cad wrote:

A number of years ago, some friends had a Winnie class A and began getting foul smelling water from their shower head. Long story short, it turned out to be a leak between the Motoraid and the fresh water that was being heated. We disconnected the hoses from the Motoraid, and blocked them off and the problem went away. They lost the Motoraid heating, but didn't have automotive antifreeze in their fresh water system.

Don't know if this kind of problem could have any relation to yours, but I do know I don't like Motoraids.


Not really correct. IF the Motoraid tube somehow leaked coolant into the Hot Water Heater tank reservoir, then disconnecting the Motoraid hoses would then cause a fresh water pressure leak into the back side of the RV behind the Water Heater. ALL a Motoraid is, is a plain Aluminum tube about 8 inches long WELDED to the OUTSIDE of the Aluminum Water Heater tank. The Motoraid coolant NEVER goes thru the W/H tank and is NEVER connected to the fresh water system. Doug


Sorry Doug, I didn't include many details since this took place about 20 years ago. I only remember we disconnected black hoses from what we assumed was the heat exchanger, and connected them together away from the heat exchanger. We also connected the fresh water hose together after we located a leak there as well. Fuzzy details after all this time. It was a Winnie Adventurer, early 2000. Trying to remember where the heat exchanger was located, and seem to remember it was inside the hood, but may have been elsewhere.

dougrainer

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Posted: 06/08/22 10:31am Link  |  Quote  |  Print  |  Notify Moderator

Larry Cad. One Thing Winne/Itasca did starting in about 1981 was use Atwood Water Heaters with Motoraid on all their Motorhomes. I KNOW this because I started in 1979 as a Tech and we sold Winne/Itasca until we dropped them in 1989. AND I replaced a LOT of Atwood Motoraid inner tanks over those years due to freeze damage. SO, I KNOW how they are constructed. To your point. SMELL would be the LEAST of my worries in your scenario. If you got smell from the hot water, then you had AUTOMOTIVE ANTIFREEZE contaminating the fresh water system(Deadly to ingest). I don't doubt you may have had a smell, but it was NOT from Coolant getting into the tank or Water piping system. AND, it would be at EVERY Faucet, not just the Shower head. Most common Water Heater odors problems are rotten egg smell from OLD water left in the tank or a high mineral content of the water(usually well water). Doug

StirCrazy

Kamloops, BC, Canada

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Posted: 06/09/22 06:30am Link  |  Quote  |  Print  |  Notify Moderator

2112 wrote:

StirCrazy wrote:

where is that gauge taking its reading from?
At the regulator

[image]


I saw that, I ment where in the regulator, is it the equalation tube in the regulator, the inlet side or the outlet side. Usaly not the best place to read from depending which section it is reading, as it is usaly just a test port.

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