I put the PRV in because I thought I needed to reduce the pressure for the radiant system down to 12-15 psi. the mixing valve was just to keep the water going into the system at a steady temp when mixed with the hot water and the returned water from the radiant. The PRV might be unnecessary?
Apologies if this has been covered- I searched and couldn't find an answer- also first time plumber so please be gentle :) I am in the process of turning my plumbing system on for the first time and running into troubles: I do not yet have my h20 heater working but have flow in the cold and hot...
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