this is a mechanical barometric damper

Key Benefits Enhanced Safety: Features 3500 VRMS isolation and a fully insulated terminal strip to protect technicians from accidental shock

Are specific orifices included for all BTU ratings

maintaining strict system safety protocols

Low-Speed Performance: Optimized 850 RPM operation provides efficient heat exchange while reducing mechanical wear

Heil Quaker ICP 121133 Motor Els PW 17895 this is a mechanical barometricThe Heil Quaker ICP 121133 Motor is a high performance direct drive blower motor engineered for multi speed fan applications within residential and light commercial HVAC units. Operating at 230V 1ph, this 1 3 HP motor delivers consistent airflow across its dual speed range of 1050 850 RPM, ensuring efficient static pressure management for furnaces and air handlers. Built on a standard NEMA 48 frame, the ICP 121133 replacement motor is a critical