Carrier 321097-201 Check Valve 322056-301 you must use a valve

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

Its compact footprint and X-10 connectivity protocol compatibility make it a preferred HVAC replacement part for contractors maintaining system integrity and regulatory safety compliance

these Watts repair kits are designed for straightforward field service

Balanced 3-blade configuration reduces bearing wear and extends the life of the fan motor

Versatile Application: Compatible with a wide range of Bard units

Carrier 321097-201 Check Valve 322056-301 you must use a valveThe 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