For service technicians and mechanical contractors maintaining York climate control systems

protecting downstream pneumatic tools and air quality

While built for 60Hz operation

The Carrier LH33WZ010 Ignitor is a high-performance direct spark ignition (DSI) electrode assembly specifically engineered for heavy-duty Carrier

The unit features a selectable jumper or switch configuration on the circuit board (typically labeled W904) to toggle between temperature scales during the initial setup

Lennox 13Y19 TXV Valve 318973-401 For service technicians and mechanicalThe Lennox 13Y19 TXV Valve provides critical refrigerant metering for high performance residential and commercial split systems. This 1. 5 3 Ton R410 TXV Valve is engineered to maintain precise superheat levels by regulating flow into the evaporator coil, preventing liquid slugging and ensuring the compressor operates within design parameters. As an externally equalized thermostatic expansion valve, the 13Y19 responds dynamically to load variations,