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-   -   Changing thermoststs (https://www.askmehelpdesk.com/showthread.php?t=792078)

  • May 14, 2014, 04:37 PM
    RonnieGuitar
    Changing thermoststs
    I have a heat pump with aux backup heat. I had a Janitrol thermostat with mercury and I'm changing to a digital Honeywell RTH2510. I'm not sure how the wiring goes. What is the W terminal on the old Janitrol for, or what does it wire to?
  • May 14, 2014, 07:12 PM
    ballengerb1
    Worth reading Honeywell Thermostat RTH2510 wiring question etc - DoItYourself.com Community Forums

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