Copeland Comfort Control (White Rodgers) 50M56X-843 Control Kit Els PW 29614 a high-pressure rated Ranco O-series

a high-pressure rated Ranco O-series control should be utilized

Calibrated specifically for liquid propane (LP) gas flow requirements to prevent over-firing

The 100208621 is the updated Part Number from A

resistance drops—allowing the boiler’s control logic to modulate firing rates and maintain supply water setpoints without short-cycling

Copeland Comfort Control (White Rodgers) 50M56X-843 Control Kit Els PW 29614 a high-pressure rated Ranco O-seriesThe White Rodgers 50M56X 843 is a high performance universal integrated furnace control kit designed for professional contractors seeking to streamline their inventory. This module is the advanced direct replacement for the 50M56U 843 and Trane CNT05165, providing compatibility with over 550 single stage HSI ignition control models. Engineered with a single microprocessor, it manages all critical furnace functions, including burner operation and