Optimized Combustion Airflow: Engineered to provide the precise CFM required to clear the heat exchanger and satisfy pressure switch parameters

this motor is specifically engineered for use in Reznor UDAP and UDAS unit heaters

It features a factory-installed brass tee and a reliable SPDT snap action switch

and BTC series units

The Lennox 72L34 and 72L3401 are technically identical parts with the same specifications and fitment

Kunkle Valve 0537-H01-HM0060 Relief Valve THPU32HP7Y Optimized Combustion Airflow: Engineered toThe Kunkle Valve 0537 H01 HM0060 is a heavy duty ASME Section IV steam relief valve designed specifically for low pressure hot water boilers, heat exchangers, and steam generators. This 2" NPT inlet x 2 1 2" NPT outlet valve is National Board certified ("HV" designator) and comes factory set at 60 PSI to handle a high discharge capacity of 10,525 lb h (PPH) or 10,524,997 BTU h. Engineered for durability in demanding HVACR environments, it features a