The A421AEC-01 automatically determines the mode based on the user-defined On and Off setpoints

this component ensures exact mechanical fitment and electrical consistency

the BFS series utilizes a knife edge to metal joint for a leak-proof seal

This normally closed automatic reset limit switch is designed to open the circuit at 200°F (cut-out) to prevent damage to the heat exchanger and automatically close at 180°F (cut-in) as the system cools

ensuring legal and safety compliance for 15 PSI systems

Trane BNR0970 Burner Assembly THPU32HP7Y The A421AEC-01 automatically determines theThe Trane BNR0970 Burner Assembly is a high performance SS 3 Burner Assembly engineered for HVAC gas furnace combustion in both residential and commercial applications. Constructed from premium grade stainless steel, this OEM Trane burner replacement is designed to provide superior corrosion resistance and longevity under high thermal stress. This 11 pound assembly features a 36 inch profile, housing three precision machined burners that ensure