the 37C73U-171 is specifically calibrated for Natural Gas only

its pilot-operated design is suitable for suction line service

The 50DK500056 inducer housing is primarily spec'd for certain Carrier 48DJD models

this motor includes automatic thermal overload protection and is rated for Insulation Class B

Heil Quaker ICP 1186888 Motor 326058-756 the 37C73U-171 is specifically calibratedThe Heil Quaker ICP 1186888 Motor is a high reliability direct drive blower motor designed for mid static residential and light commercial HVAC systems. This 115V single phase motor delivers 1 3 HP at a rated speed of 1075 RPM, providing the consistent torque recovery needed for optimal static pressure management. Built on a 48 frame, it features 4 speed taps, allowing technicians to fine tune system airflow to meet specific seasonal requirements or