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This OEM Friedrich replacement part is engineered to manage critical system sequences
serving as the essential bridge between AC input and the DC power requirements of your furnace or air handler control circuit
Dual Scale Readability: Displays both Fahrenheit and Celsius for versatile technical applications
this HVAC switching relay offers the precise contact engagement required for high-cycle industrial control panels
Lennox 12J18 TXV Kit 321142-301 This OEM Friedrich replacement partThe Lennox 12J18 TXV Kit is a critical OEM component designed for high precision refrigerant metering in residential and light commercial cooling systems. This thermostatic expansion valve (TXV) is specifically engineered for R410A refrigerant applications, accommodating a capacity range of 1. 5 to 3 tons. For technicians performing a coil replacement or upgrading a fixed orifice system, the 12J18 ensures optimal subcooling by utilizing an external