LuxPro Digital 2 Wire Heat Only Thermostat - PSD010BF New Open Box | eBay
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Trying to replace this old 2 wire thermostat for a newer digital one. Problem is older unit does not have leads labeled or which cable is which. Any help on how to
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Honeywell THX9421R5021WW 2 Wire IAQ High Definition Touch Screen Thermostat with Red LINK Technology, White: Amazon.com: Tools & Home Improvement
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sensors - Detect 2 wire thermostat output - Arduino Stack Exchange
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