hydronic heat

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  1. A

    4 zone gas boiler

    How do I wire 4 taco zone valves to 4 2 wire room thermostats and the boiler transformer??
  2. rubadub

    Noise related to expansion of copper in Radiant / Hydronic / Baseboard heating

    Hi, I'm curious if there are any experiences/insight beyond standard troubleshooting for this issue. The most practical resolutions i've seen so far are to straighten the fins (which i've done) and to ensure the return pipe is not resting on any metal hooks which could create noise... I do not...
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