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Can i adjust a flow sensor on a instantaneous hot water service

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No, what do you want to achieve? Hotter water or turn on at a lower flow? The flow shitches are are either weighted switches or resistors, depending upon who makes it.

Posted on Sep 15, 2008

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Posted on Jan 02, 2017

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Water heater


Most instant-on tankless water heaters require at least 10 psi of water pressure to start the heating process. The flow of water determines how hot the water will be, within the heating range. An electric 110 volts heater will increase the water temperature about 25 degrees F. A gas water heater will increase the water temperature about 45 degrees F.
Too much flow will not allow the water time to heat. Too little flow will not allow the heating system to work. Each heater must have the outflow water flow adjusted for the best heating outcomes. The best way to find the ideal flow is to turn the hot water facet on and adjust it (open or close) until the water reaches the balance of producing hot water.

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On our AE125, the thermal cut-off is tripping AFTER the water is turned off. The heating element is getting so hot you cannot touch it


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This will help.Thanks.Helpmech.

Jul 02, 2011 | Heating & Cooling

1 Answer

I have a instantaneous water system 10H Hydropower ...did not get a manual when installed....I need to have hotter water as it's winter and the water is like warm...not sure what to adjust...opened...


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I have a Rinnai Continuum Model 2532 natural gas tankless water heater in my home. It takes about 45 - 60 seconds for the water to get hot at the faucet which is closes to the heater. This thing is...


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Bosch water wizard 16 - gas still runs after water tap turned off


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Water heater shuts off when the cold water is turned on


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

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Water is either hot or cold - no in between.


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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Bosch TF 250 hot water service, can not get the pilot light to stay on...


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Error code F24


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