this external equalizer valve adjusts dynamically to load changes

extending the operational life of your heating equipment

Durable Galvanized Construction: Built to withstand commercial duty cycles

Is field modification necessary for PTAC units

Lennox 69W55 Pressure Switch Els PW 29614 this external equalizer valve adjustsThe Lennox 69W55 is a critical two stage pressure switch engineered for precision airflow monitoring in high efficiency gas furnaces. Specifically designed as a Lennox OEM replacement part, this 102737 03 switch features dual set points to support staged heating operations: a high pressure set point of 0. 55" W. C. and a low pressure set point of 0. 20" W. C.. As a furnace safety switch, it functions by verifying that the inducer motor is creating