How to connect a water heater and gravity drain to one tap for autonomous water supply?

Dmitry

Topic created April 30, 2019

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Good evening. I plan in the bath water supply. I have two sources of hot water, one under pressure from a water heater, and the second from a heat exchanger tank (gravity flow). Please tell me how to connect them into one tap. For example, if it ended with one source, a second one was connected, etc.

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Nikolay Fedorenko
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Hello. For your case, a mixer for three inlets is suitable (two with hot water and one with cold). I enclose for example a photo of the mixer. Hot and cold water are regulated by one valve (two inlets), at the third entrance you throw water from the heat exchanger. I understand that this will be a backup option, so you will turn it on if necessary, opening the emergency valve. A mixer of this design is the most optimal solution.
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