Carrier 321097-201 Check Valve 322056-301 you maintain direct spark ignition

you maintain direct spark ignition (DSI) reliability while benefiting from clear LED diagnostic codes for faster troubleshooting on the roof

suitable for most large-frame compressor housings

you must use a valve rated for ASME Section I or Section VIII steam service

it is intended to mate directly with Erie VT and VS series valves for optimal seating force and timing

Carrier 321097-201 Check Valve 322056-301 you maintain direct spark ignitionThe Carrier 321097 201 Check Valve is a critical fluid control component engineered for precise refrigerant migration management in high performance split systems and packaged units. Designed to maintain HVAC unidirectional flow, this valve prevents liquid refrigerant from migrating back into the compressor during the off cycle, mitigating the risk of flooded starts and oil dilution. This specific Carrier OEM check valve is built to withstand the high