Sporlan 110428 FSE-1/2-Z-3X4SAE TXV R-410A the RCW series is reformulated

the RCW series is reformulated to handle the hygroscopic nature of polyolester oils

The durable construction is designed to withstand the rigorous thermal cycling common in modern high-efficiency gas furnaces

4 inches in length and 3

For long runs

ensuring continuous cycle safety without manual intervention

Sporlan 110428 FSE-1/2-Z-3X4SAE TXV R-410A the RCW series is reformulatedThe Sporlan 110428, professionally identified as the FSE 1 2 Z 3X4SAE, is a high performance thermostatic expansion valve (TXV) engineered for precision refrigerant metering in low temperature refrigeration systems. This 1 2 ton capacity valve is specifically factory calibrated for R404A refrigerant, ensuring optimal evaporator efficiency and preventing compressor liquid slugging. Built with a durable forged brass bar body, it features 3 8" SAE flare