Have a 2013 Cougar 32RBK Xlite and the furnace burner cycles on and off while the blower continues to run until the set thermostat temperature is reached. Was wondering if this is normal?
If the air flow is vigorous and unobstructed, and the discharge temperature is high, consider lowering the gas pressure to reduce the heat rate to the point where the burner does not cycle.
Thermal cycling at high temperature accelerates heat exchanger aging and promotes cracking.
High altitude reduces heat transfer, increasing heat exchanger temperature, another reason to reduce heat rate.
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