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Staggers electrical load to prevent residential power surges during heating cycles
Durable Construction: Features high-quality piston assemblies and stainless steel compression springs for long-term resilience
you can convert it to a two-pipe system by installing the internal bypass plug (typically 1/16") in the return port
this sensing head ensures your pneumatic controls receive the reliable data needed to manage HVAC system health
reducing downtime for your clients while maintaining the original equipment’s efficiency ratings
Lennox 12J43 TXV 321702-401 Staggers electrical load to preventThe Lennox 12J43 Thermal Expansion Valve (TXV) is a critical metering component engineered specifically for 2 ton residential and commercial R410A refrigerant systems. This OEM Lennox expansion valve features a 3 8" ODM (Outside Diameter Male) inlet and a 1 2" ODF (Outside Diameter Female) outlet, ensuring a precise fit for outdoor NXT units and matching indoor coils. By continuously monitoring evaporator superheat, the 12J43 TXV regulates refrigerant
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