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main limit switch kenmore

  1. Main limit switch - correct settings?

    HVAC
    This is our first winter in the house so I'm not very familiar with our 20+ year old natural gas furnace. It says "Kenmore 90" on the front panel but I didn't find an actual model number anywhere. I had a guy over today to do an annual cleaning/servicing before the winter season. One of the...
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