Wilkins 6-375DA 6" Backflow Preventer. Backflow Preventers reverse flow of used or dirty water from entering back into the water supply. Back siphonage and backpressure can occur from time to time and this Backflow Preventer is desgned to avoid any of those things. The PVB has a bronze body, silicone rubber check valve disc, and a plastic check valve seat. The valve is ideal for use with large boilers and other applications like it, and is actuated by hand.
** Due to the Considerable weight and size of this product combined with fluctuating shipping rates, the online calculations for shipping costs may be inflated. It is recommended that customers call our support staff to find the current shipping rates before purchase.