

The Copper Fitting Access Valve A31009 is a crucial component that ensures optimal performance in your refrigeration system. Designed with precision, this valve has an O.D. of 1/8" ODS and step sizes of 3/16", 1/4", and 5/16", providing compatibility with the B10-739 model. Made from durable stainless steel and brass, it is suitable for use with all refrigerants.