If you are installing RA 2000 wall-mount operators (such as the 013G8562 or 013G8564 series)

007" restrictor required for operation

07 gas valve

Key Benefits Direct OEM Compatibility: Specifically calibrated for Tecumseh hermetic compressors to ensure accurate pick-up and drop-out voltages

Carrier HK42EQ249 Motor Module 322838-753 If you are installing RAThe Carrier HK42EQ249 Motor Module is a critical OEM replacement part designed for high performance variable speed systems. This ECM motor controller is engineered for a 1 3 HP motor operating at 230V, providing the precise pulse width modulation required to manage airflow and maintain system static pressure. Built to handle the rigorous demands of Carrier fan coil units and air handlers, this module ensures the blower operates at the exact RPM needed