Lennox 12J41 TXV 318973-401 this valve ensures safe and

this valve ensures safe and consistent gas flow to the burner assembly

the FS-1 provides reliable pump control and equipment protection by making or breaking an electrical circuit the moment flow starts or stops

Advanced Safety: Contains localized logic for flammable vapor sensor monitoring and high-limit ECO (Energy Cut-Off) protection

Because this model includes an integral ball check limiting device

and mixed air control

Lennox 12J41 TXV 318973-401 this valve ensures safe andFor veteran technicians looking to restore factory spec refrigerant metering, the Lennox 12J41 TXV (also identified as model 103366 13) is the precise OEM solution for R 410A systems. This thermostatic expansion valve is engineered for 3 ton (and some 3. 5 ton) outdoor units, featuring a 3 8" ODM inlet and a 1 2" ODF outlet. Unlike standard non bleed valves, this unit includes a 5% bleed port, which assists in pressure equalization during the off