Direct OEM Specification: Ensures exact fitment and flow characteristics for York 029-21710-000 and primary Alco system configurations

The Siemens Combustion QRA2(1) UV Detector is a high-performance ultraviolet flame sensor designed specifically for the supervision of gas and oil flames in industrial and commercial burner systems

verifying the pressure switch continuity on this -

this thermostatic expansion valve ensures precise refrigerant flow control across the evaporator coil

the 11D18-1 offers versatile field installation with support for both horizontal or vertical mounting

Lennox 77W95 Motor Actuator 318973-401 Direct OEM Specification: Ensures exactThe Lennox 77W95 Motor Actuator is a critical OEM component designed for high precision control within commercial and industrial HVACR systems. Operating on a versatile 24VAC VDC power supply at 50 60Hz, this non spring return actuator (part number 102899 01) is engineered to convert electronic signals into mechanical motion for the exact positioning of dampers and valves. It serves as a direct replacement for the legacy 14V61 (102899 02) model,