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Furnace cycles too frequently. Installed new wall thermostat,didn't stop problem. Furnace is installed horizontal in rafter space.

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Systems are designed for a maximum of 6 cycles per hour. If you are experiencing more than that, you have leakage in your duct work or poor insulation or the system is too small for the area you are trying to heat. Some newer thermostats have an adjustment on them to allow you to set how many cycles per hour you want. Look in the instruction manual and adjust the DIP switches to your preference.

Posted on Mar 30, 2011

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