When diagnosing a gas furnace high limit switch trip

High Closeoff Protection: Rated for 200 psi closeoff to prevent bypass leakage and maintain system efficiency during idle periods

Specifically designed for R-22 refrigerant

Aesthetic Integration: Small footprint designed for single-gang mounting

Replacing a worn unit with the genuine Lennox 14K99 ensures that the electrical arc remains consistent

Burnham Boiler 105197-01 Cap 321702-401 When diagnosing a gas furnaceThe Burnham Boiler 105197 01 is a critical flue temperature sensor cap kit engineered specifically for Alpine series boilers. As a primary safety and efficiency component, this OEM cap facilitates accurate thermal monitoring of exhaust gases, operating within a high performance range of 100F to 800F. Maintaining the integrity of the flue temp sensor interface is vital for preventing overheating and ensuring the control board receives precise data for