Sporlan 168304 BQC-AA Valve Cartridge If your HVAC system has

If your HVAC system has power but the blower fan and ignition cycle fail to start despite the door being closed

For technicians servicing A

This ensures a stable

the flame sensor may be fouled with carbon or have a cracked insulator

Sporlan 168304 BQC-AA Valve Cartridge If your HVAC system hasThe Sporlan 168304 BQC AA is a precision engineered replaceable valve cartridge designed for use with Sporlan BQ series thermostatic expansion valves. Identified by its yellow color coded tag, the BQC AA provides reliable superheat control in light air conditioning and commercial refrigeration systems. This balanced port design cartridge compensates for fluctuating head pressures and varying evaporator loads, making it an essential component for