574004A | 1/2" FNPT backflow preventer | Caleffi

Caleffi 1/2" FNPT Backflow Preventer (574004A) The Caleffi 574004A is a 1/2" FNPT backflow preventer designed to prevent the backflow of water into the potable water supply. It is constructed with a brass body and a spring-loaded check valve that automatically closes when water flow stops, preventing backflow. The 574004A is ideal for use in residential and commercial applications and is compliant with ASSE Standard 1019. Key Features: * Prevents backflow of water into the potable water supply * 1/2" FNPT connections * Brass body for durability * Spring-loaded check valve for automatic closure * Compliant with ASSE Standard 1019 * Ideal for residential and commercial applications Order the Caleffi 574004A 1/2" FNPT Backflow Preventer from our HVAC supply store today for the best prices and fast shipping! our HVAC supply store offers a wide selection of Caleffi products, including backflow preventers, pressure reducing valves, and more.