the 1751-021 includes all necessary mounting hardware and technical instructions required for a seamless installation

Engineered with SPST (Single Pole Single Throw) switching logic

the 511-330-219 features durable brass threads and 1/2-inch barbed outlets

the 15B6 ensures efficient condensate removal even in systems utilizing vacuum returns

Industrial Build Quality: Utilizes a standard 48 frame construction for easy mounting and superior heat dissipation in tight blower compartments

Trane VAL10373 TXV R-22 the 1751-021 includes all necessaryThe Trane VAL10373 is a high precision 6 ton thermal expansion valve (TXV) engineered for critical refrigerant metering in light commercial and high capacity residential R410A systems. As a veteran technician knows, maintaining precise superheat is vital for compressor longevity and system efficiency; this valve is designed to do exactly that by regulating flow based on evaporator load. The unit features a 3 8" ODF inlet and a 1 2" ODF outlet with a