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For technicians troubleshooting ignition lockout or intermittent "spark-to-pilot" failures
Common Questions Is the Aaon R78310 compatible with all AAON units
By monitoring supply pressure before the automatic shutoff valves
cooling with reheat
reducing labor time during system overhauls
Carrier EF17BZ271 Reversing Valve R-22 For technicians troubleshooting ignition lockoutThe Carrier EF17BZ271 Reversing Valve is a critical 4 way pilot operated refrigerant control designed for high performance heat pump systems. Engineered as a direct replacement for 1175622, this OEM component features a 1 2" x 7 8" ODF (Outer Diameter Flare) connection, facilitating precise directional control of refrigerant flow to switch between heating and cooling cycles. Operating on a standard 24V solenoid coil, this valve is a Factory Authorized
