Emerson Alco 055931 Expansion Valve 321894-709 centralizing all logic on a

centralizing all logic on a single board

depending on the burner model

While you can often move up in horsepower

While optimized with stainless steel for ammonia

Common Questions How do I calibrate the set point on the AFS-228-121

Emerson Alco 055931 Expansion Valve 321894-709 centralizing all logic on aThe Emerson Alco 055931, model HFES 2. 5 HC, is a high performance externally equalized thermal expansion valve designed for precision refrigerant flow control in medium temperature applications. Engineered for both R22 and R407C systems, this valve features a 2. 5 ton nominal capacity and a straight body configuration with 3 8" x 1 2" ODF sweat connections. The heavy duty stainless steel power element resists corrosion and prevents capillary tube