The White-Rodgers 770-1 Air Switch is a versatile

If you are retrofitting an older R22 system that previously used mineral oil

Key Benefits for Technicians Cross-Ambient Technology: The gas-filled 3/8" x 6" bulb is unaffected by temperature fluctuations at the control body

preventing line vibration fatigue and ensuring quiet operation in noise-sensitive environments

and refinery tracing

Sporlan 450303-001 Filter 326058-756 The White-Rodgers 770-1 Air SwitchThe Sporlan 450303 001, also designated as the BF164S Bi flow filter, is an industry standard liquid line filter drier designed specifically for the rigorous demands of heat pump systems. Featuring a 1 2" ODF sweat connection, this 16 cubic inch unit utilizes a high capacity desiccant core to provide exceptional acid and moisture removal from refrigerant lines. Its unique internal check valves allow for efficient bi directional refrigerant flow