What causes this furnace limit switch to trip frequently

Its rugged construction is designed to withstand 0

High-Temperature Durability: Constructed with premium ceramic and metal alloys designed to withstand consistent exposure to burner flames without premature structural fatigue

Direct OEM Compatibility: Verified drop-in replacement for HTR6627 and HTR12525

rugged mating surface

Aaon P63250 Wire What causes this furnace limitThe Aaon P63250 Spark Ignitor Wire is a critical high voltage component engineered for reliable ignition in commercial HVAC systems. This HVAC spark plug wire is designed to deliver consistent electrical discharge between the ignition control module and the spark electrode, ensuring efficient burner startup in Aaon rooftop units and furnaces. Built with high temperature insulation to withstand the thermal stress of the burner compartment, this 063250