Carrier 322848-751 Replacement Kit 30067439-890 This 2-stage relay typically provides

This 2-stage relay typically provides an on-timing delay of 1 to 20 seconds and an off-timing delay of 40 to 110 seconds to protect heating elements

including the CR30K6-PF and CR34KF-PFV models

as well as several discontinued part numbers like BU23820

Ensures precise differential pressure monitoring for optimal system operation

Carrier 322848-751 Replacement Kit 30067439-890 This 2-stage relay typically providesThe Carrier 322848 751 Replacement Kit is a critical OEM furnace control board upgrade designed for veteran HVAC technicians servicing older Carrier, Bryant, and Payne fan coil units. This comprehensive kit provides a direct path to modernize fan blower control board systems in FA4A, FB4A, and FC4B models manufactured prior to 1994. Engineered to replace obsolete HK61GA001 and HK61GA003 Texas Instruments boards, this assembly integrates a new