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My Hot Water does not flow out of the tub or shower. The cold flows well, but when turned to the Hot, there is no hat water. The hot water line is plumbed, but the Hot Water Does no flow
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check other hot water taps to check hot water is flowing from the hot water system(tap on heater not turned off)
check faucet handle is put on in the right place --only 1/2 movement to the stop
check for blockage to the hot water side of the insert ( incorrectly installed )
still with problems --call a plumber
yes and no. Find hot water heater and insure cold water supply valve is open all the way. check to see if there is a hot water supply value and that its open all the way. If you replace shower value over iron pipe on the hot side it is corroded up replace pipe and value. If copper, find hot side, find value and open it up.
If you don't have easy access to hot and cold line, where you can disconnect and check for flow to faucet, You can try turning off incoming water supply, remove cartridge, and shut off hot outgoing at water heater, then slowly open incoming (cold) water supply only and see if cold flows from faucet with cartridge removed. At least that will confirm flow faucet, then go from there.
Not sure but check the inlet water at the heater, the filter may be clog up a little that restrict the flow. Did u use the heater at all during the winter? If not, the heat exchanger may be clogged with built up in there. U need to descale it. Good luck. Chinhcu
sounds like you may have a little debri on hot side stem or kinked hose between valve and spout turn off water to house remove handle pull bonnet and remove stem turn water back on with stem removed see how water flow is be careful turning water on you could make a mess i am assuming the low pressure is in shower only
I found a way to get warm water in the shower, but I'm not sure it qualifies as a solution. After trying everything else I thought that maybe when I was feathering the faucet in the shower toward the cold side so I would get warm water that at a certain point it blocked the flow on the hot water side enough so that the sensor in the hot water heater sensed there was no demand in the line and it shut the water heater off. To test this, I went to the kitchen and turned the kitchen sink faucet all the way to the hot side and then turned it on so that I got a small flow of water. I waited for the water to get hot to be sure the hot water heater was working. Once it was hot, I left it running to keep demand in the line and then I went to the shower and turned the faucet on. When the water got hot I started feathering the control towards the cold side and soon I had warm water. So I think I'm right in that the sensor in the hot water heater was shutting the water heater off when the demand in the shower was lowered to a certain point when I was trying to adjust the water temp in the shower.
So now I can get warm water, but it means I have to leave the hot water running at another fixture in the house to create a false demand in the system so the hot water heater doesn't shut down. Is there a way to adjust the senor in the hot water heater so that it will stay on when I'm using the shower only, so I don't have to waste water by running another faucet when I want to take a shower?
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