Puzzling Plumbing Problem
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Jun-05-2022 06:01 PM
The only way to insure that the pressure will not jump is to shut-off the pump and open a faucet. I never hear the pump running or cycling except when we open a faucet. I'm wondering if somehow air is being forced into the system but really can't figure out how.
Thanks for any suggestions.
Bill
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Jun-09-2022 05:30 AM
2112 wrote:StirCrazy wrote:At the regulator
where is that gauge taking its reading from?
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.
2016 Cougar 330RBK
1991 Slumber Queen WS100
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Jun-08-2022 09:31 AM
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Jun-08-2022 08:31 AM
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.
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Jun-08-2022 08:21 AM
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!
2017 Heartland Torque T29 - Sold.
Couple of Arctic Fox TCs - Sold
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Jun-08-2022 07:49 AM
StirCrazy wrote:At the regulator
where is that gauge taking its reading from?
Timbrens
2013 KZ Durango 2857
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Jun-08-2022 06:26 AM
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
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Jun-08-2022 05:39 AM
wguss wrote:
It could be a cheap gauge? Here's the install...
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.
2016 Cougar 330RBK
1991 Slumber Queen WS100
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Jun-08-2022 04:47 AM
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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Jun-07-2022 08:54 PM
Still a little puzzling!
Bill
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Jun-07-2022 06:55 PM
wguss wrote:
Doug if you happen to come back to this thread I have one more question. If it was the expansion of the water from the motoraid that is causing the problem, why do you think the pressure gauge doesn't rise when the water heater is used when we're at rest overnight?
Thanks,
Bill
Simple, The WH tstat is 140 degrees. The Motoraid heats the water to almost 180 degrees in transit. There is NO tstat for the Motoraid function. So the water will get as hot as the engine coolant. That is why I suggested bypassing the motoraid. Remember, you NEVER thought you had this type problem until you installed the pressure gauge. Ignorance IS bliss. Kind of like a person with a watch KNOWS the time, but a person with more than 1 watch is never sure. Doug
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Jun-07-2022 02:19 PM
Thanks,
Bill
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Jun-07-2022 11:57 AM
Bill
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Jun-07-2022 10:50 AM
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Jun-07-2022 10:24 AM
And stop driving with your water pump on.
2017 Heartland Torque T29 - Sold.
Couple of Arctic Fox TCs - Sold