If the system fails to shift the reversing valve or de-energize the outdoor fan with a Y1 signal present

which is compatible with a wide range of universal HVAC lever arms and mounting hardware

Automatic Reset Functionality: Eliminates the need for manual intervention once system pressures return to the safe differential range

Optimized Flow: A 2

preventing ignition in the event of a blocked flue

Maxitrol 210J-4 Regulator THPU32HP7Y If the system fails toThe Maxitrol 210J 4 is a high capacity gas pressure regulator engineered for industrial and commercial manifolds where precision pressure control is non negotiable. Featuring a 4 inch 125# flange connection, this unit handles a 10 PSI maximum inlet pressure and provides a stable 3 8" w. c. outlet pressure range. As the primary RV 131 replacement, the 210J 4 utilizes a balanced valve design to mitigate the effects of inlet pressure fluctuations,