Reznor Limit Control

Reznor RZ045602 Limit Control. The limit control monitors the temperature of the air passing over the heat exchanger and will shut off the furnace if the system overheats.

Possible Repair Solution For:
Will not start, no heat, not enough heat, will not shut down on overheat, too much heat, furnace runs too long

Please Note: This is intended as a guideline only, as other items can cause the same symptoms.