#gas valve

Tech Tips:

TH, TR, and TH/TR Gas Valve Terminals
By:Jesse Claerbout Jesse Grandbois is one of the techs who reads the tech tips, and he wrote a few tips that he wanted to share on some gas furnace control basics. This tip is about the basic terminal designations on a typical 24v gas valve. Thanks, Jesse! Have you ever noticed the TH/TR terminal on […]
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