Air Xchange 18520112 Motor 320735-701 the 100208478 manages the pre-purge

the 100208478 manages the pre-purge and post-purge timing for the combustion blower

the contacts open to interrupt the burner circuit

This 115V single-phase motor is typically optimized for set speeds or multi-tap configurations

This Uni-Kit dual gas valve serves as the direct replacement for the discontinued Robertshaw 720-400

Its direct-mount design

Air Xchange 18520112 Motor 320735-701 the 100208478 manages the pre-purgeThe Air Xchange 18520112 Motor is a high performance HVAC replacement motor engineered for precision and longevity in air handling and ventilation units. As a primary component for ERC 30 52 04 units, this 1 6 HP motor operates at a versatile 230 460V in a 3 phase configuration. With a rated speed of 1160 RPM, it provides the consistent torque and airflow necessary for commercial energy recovery ventilation systems. This motor, also identified as