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Old 06-21-2021, 09:53 PM   #1
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HW277 no hot water pressure

Hi all. Picked my 2020 up Saturday and at a site now and canít get any hot water out of any faucet/shower. Hot water tank has hot water in it coming from the relief valve and Iíve tried the 3 valves near the hot water tank (including the cross over valve).

Any other valve that could keep the hot water from flowing?

Thanks
Chad
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Old 06-21-2021, 10:08 PM   #2
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Hi all. Picked my 2020 up Saturday and at a site now and can’t get any hot water out of any faucet/shower. Hot water tank has hot water in it coming from the relief valve and I’ve tried the 3 valves near the hot water tank (including the cross over valve).

Any other valve that could keep the hot water from flowing?

Thanks
Chad

Can you post pic of your valves behind the water heater?


This thread may help:


https://www.forestriverforums.com/fo...st-103381.html
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Old 06-21-2021, 10:20 PM   #3
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Trying to figure out how to upload the pic. See if this works. Iíve tried all ways of the valves I can think of.
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Old 06-21-2021, 10:29 PM   #4
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Trying to figure out how to upload the pic. See if this works. I’ve tried all ways of the valves I can think of.

The valves in your pic look to be correctly aligned for normal usage. Sometimes though, the valve can fail internally and you cannot see it (ie, the handle turns outside the fitting but the valve doesn't turn inside the fitting)


Does the hot water valve handle (red water line at very top of heater) seem loose/different when you turn it vs the other valves?
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Old 06-21-2021, 10:41 PM   #5
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None seem different and feels like hot water in the line after the valve.
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Old 06-21-2021, 11:20 PM   #6
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I believe I would try turning off the water heater and draining it, then open the low point drains with faucets open. It sounds like the hot water line may be clogged if you can feel hot water in the line after the bypass valves, but it's not making it to the faucets.
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Old 06-21-2021, 11:55 PM   #7
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I believe I would try turning off the water heater and draining it, then open the low point drains with faucets open. It sounds like the hot water line may be clogged if you can feel hot water in the line after the bypass valves, but it's not making it to the faucets.
Iíll try draining tomorrow then. Was going to call a local FR dealer tomorrow as well possibly to see if they had any idea.
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Old 06-22-2021, 05:15 AM   #8
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Check the hoses I have the same model they get kinked easily
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Old 06-22-2021, 06:51 AM   #9
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Are you getting any water flow out of the hot side? If not then I suspect the hot side check valve is stuck or installed backward.
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Old 06-22-2021, 06:57 AM   #10
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Would assume it would be stuck and not backwards since it was owned previously.

I didn’t see any kinks but will inspect again.
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Old 06-22-2021, 08:21 AM   #11
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If it was winterized and the low point drain was used to empty the water heater, then there is a possibility that debris from water heater got into the cold line. When it was time to dewinterized, water from the cold line with debris got into the hot water line through the by-pass plugging all hot water faucets. Take one hot water faucet apart and see it is plug at the valve seat.
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Old 06-25-2021, 02:13 PM   #12
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Any update on this issue?
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Old 06-25-2021, 03:50 PM   #13
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Started getting a little better but still slows down. Just got home today so will try draining everything in the next few days.
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Old 06-25-2021, 04:52 PM   #14
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These heaters generate a lot of mineral sediment. I wouldn't be surprised if some got stirred up filling the heater and somehow clogged a line/valve. I always use the pressure release valve to let air out of hot water heater as I fill it for this reason, then try to wait a bit for things to settle before attempting to run hot water.


When you drain everything, take off any faucet aerators before blasting system with compressed air or water, before opening faucets to clear lines/check flow.
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Old 07-05-2021, 06:15 PM   #15
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Believe this was finally figured out. There was a kink just below the floor coming out of the hot water heater. After draining and trying to get air through the system without success I tried taking the line off just outside the water heater and pushing air. Nothing until I pulled on the line a little and noticed some got through. Pulled line more and noticed the kink.
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Old 07-05-2021, 08:31 PM   #16
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Glad you discovered culprit. when I picked up my camper, I was lucky enough to notice there was a kink in my black tank flush hose. Plant did not leave enough slack to make radius without kinking. Camping World fixed it by putting a couple hose clamps on kink to keep it straight. I was a little dubious, but it's still working.
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