The Copeland 971-0329-11 Protector Relay is a critical compressor motor protection component designed for demanding refrigeration and air conditioning applications

As a critical component for maintaining flame rectification and consistent burner handover

and gas valve operation

Its robust cast iron body and die-cast aluminum diaphragm case are designed to withstand service regulator demands in burners

Carrier KH71KN163 Accumulator 340793-762 The Copeland 971-0329-11 Protector RelayThe Carrier KH71KN163 Accumulator is a mission critical component engineered for precise refrigerant management in high demand residential and light commercial HVAC systems. Designed with 7 8" ODF sweat connections, this suction line accumulator acts as a robust fail safe, preventing liquid refrigerant from reaching the compressor's intake. By utilizing an internal U tube design with a 0. 055 inch protected orifice, the KH71KN163 ensures consistent