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Old 04-30-2005, 07:02 AM   #1
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I awoke this morning to find all my hot water faucets were dead. Cold water works fine.
Temp MAY have dropped to 32 last night, but all cold water, tank filling, bypassing hot water heater all works. And HW heater has been in the sun for a few hours, temp is in 50s.
It appears water is not passing thru the HW heater. I changed no valve settings.

Yesterday, my wife said she noticed the volume of hot water coming from the faucets seemed to be decreasing, but showers were fine. Is there a separate water filter for the HW heater?

Does anyone have any suggestions?
Thanks.
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Old 04-30-2005, 07:02 AM   #2
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I awoke this morning to find all my hot water faucets were dead. Cold water works fine.
Temp MAY have dropped to 32 last night, but all cold water, tank filling, bypassing hot water heater all works. And HW heater has been in the sun for a few hours, temp is in 50s.
It appears water is not passing thru the HW heater. I changed no valve settings.

Yesterday, my wife said she noticed the volume of hot water coming from the faucets seemed to be decreasing, but showers were fine. Is there a separate water filter for the HW heater?

Does anyone have any suggestions?
Thanks.
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Old 04-30-2005, 07:33 AM   #3
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PDB,
Have you used your outside shower lately, when your thru using your inside shower do you close your faucets? Make sure all faucets are closed or you will be mixing your hot with cold water at other faucet locations. You are heating hot water with gas an or elect. right, check to see if they are on. ---"007"
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Old 05-01-2005, 04:19 PM   #4
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Sometimes its the check valve on the hot water tank if you have one. If you have a single handle for bypassing the tank, its got one. They get clogged up with stuff and quit working, shutting off the hot water. If that is the case just buy a new one, don't bother trying to clean it out.
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Old 05-02-2005, 09:48 AM   #5
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PDB,

On our 2004 Meridian there is a water heater bypass valve by the shore water inlet. I have two valves there, one to fill the water tank and the other to bypass the water heater.

I had the same issue and found that I had accidentally switched the valve water heater bypass valve on with a net result of no water from the hot water faucets.

Hope this helps.

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Old 05-02-2005, 10:46 AM   #6
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Another possibility:
Some MH's have a check valve prior to the water heater. This check valve prevents heat transfer from the water heater back to the cold water source, i.e., the fresh water tank. Internally is a small plastic part that deteriorates or gets misaligned thus preventing water flow. Thisvalve will be located imediately prior to the tank on the cold water line feeding the heater.

About 7 bucks for the valve.
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Old 05-02-2005, 12:36 PM   #7
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There are two Check valves on some water heaters on the feed side (cold) and the out flow side (hot), I had this problem and the valve is a back flow preventer on the hot side. As ststed it costs less than $10...
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Old 12-04-2007, 04:26 AM   #8
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007

I was looking for a solution to why my hot water was (at best) luke warm. Sure enough the outside shower controls were on and turning them off made
the hot water flow.... Thanks!
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