I'm trying to find out how to connect back up a milli volt gas valve some one pulled the thermo coupling and aquastat wires off the gas control valve hydro therm gas boiler model # hc180 app manufacture date was 1976

What connections do you have at gas valve? Are they th, thp, and p.

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Originally Posted by mygirlsdad77

what connections do you have at gas valve? Are they th, thp, and p.

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I will get the letters and get back to u thank u very much