Check your model number and connection size

Built-in internal check valve enables seamless bi-flow operation

maintaining UL/CSA listing integrity

With a stall torque rated at approximately 45 in-lb and a synchronous speed of 2 RPM

including the RTHA and RTHB series equipped with CHHA model compressors

Burnham Boiler 81156012 Filter THPU32HP7Y Check your model number andThe Burnham Boiler 81156012 Filter is a critical OEM replacement air filter specifically engineered for high output combustion systems, including the Evolution Series EV 2000 and EV 2000S. Built to handle the rigorous demands of commercial heating applications, this filter utilizes a heavy duty paper filter core coupled with a specialized poly pre filter to maximize particle entrapment. Proper combustion airflow is essential for maintaining a stable