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  1. #1

    Thermostat settings (gas vs. electric, heat pump vs. multi stage)

    I just moved into a house which has a Ruud Silhouette II Plus 2 natural-gas furnace and a White-Rodgers 1F85-275 programmable thermostat.

    The switch inside the thermostat was set to electric. Do I change it to gas?

    The thermostat was set to 'Multi Stage' (as opposed to heat pump). Is this correct?

    I have several 'atomic clock' thermometers around the house, one right next to the thermostat, and both are 4-5 degrees (F) below the thermostat. So when I set the thermostat to 70 and the heat turns off (the thermostat showing 70), the thermometer right next to it will show 64-65. Is that normal? How trustworthy is the thermometer reading in the thermostat?

    Thank you very much,

  2. #2
    Join Date
    May 2000
    Indianapolis, IN, USA
    Set to gas. You want multistage since you have a 2 stage gas furnace. Hopefully wired right. Usually the built in sensor is right on but if you think it isn't, it can be tweaked 4 either way in the advanced setup.

  3. #3
    Thank you very much!

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