System Compatibility: Provides a direct OEM fit for the Midco 524932

The 243-12 series is engineered to handle rapid load changes and maintains a tight lock-up

By facilitating precise control over the compressor motor and condenser fan circuits

and Payne equipment to maintain factory efficiency

providing the signal necessary to prove airflow

Resideo RT850 Relay Els PW 17895 System Compatibility: Provides a directThe Resideo RT850 Relay is a heavy duty 120V TRIAC solid state relay engineered for contractors who require high precision load management without the mechanical wear of traditional contactors. Designed specifically for electric heating applications like baseboard heaters, convectors, and radiant ceilings, this unit provides 100% silent operation. The solid state switching technology eliminates the "click" noise associated with mechanical relays,