it is recommended to use spring-return series (like the M9220) for outdoor dampers in cold climates to ensure a fail-safe position

space-saving footprint

Check the heater's rating label for the required manifold pressure

helping safeguard compressors

System Longevity: Prevents excessive floodback and ensures the compressor operates within designated thermal parameters

ASCO 8214G33 Vent Valve R-410A it is recommended to useThe ASCO 8214G33 is a high performance 2 way normally open solenoid valve specifically engineered for fuel gas vent valve applications. Featuring a durable aluminum body and resilient NBR seals, this valve ensures reliable operation in demanding HVACR environments. With a 3 4" NPT connection and a flow capacity of 5. 1 Cv, it efficiently handles up to 247,500 BTU hr. Designed for low pressure systems, it maintains precise control within a 0 5 PSI