The Febco Bronze Pressure Vacuum Breaker Backflow Preventer Assembly with Freeze Sensor is your ultimate safeguard against cross-connection contamination hazards, providing unparalleled mechanical protection for potable water systems. This essential assembly is your frontline defense against health hazard and non-hazard back-siphonage of toxic or non-toxic liquids in a variety of settings. Ideal for use in industrial plants, cooling towers, laboratories, laundries, swimming pools, and irrigation systems, the Febco Backflow Preventer ensures the integrity of your water supply, meeting the stringent specifications of the USC FCCCHR Manual. Designed for minimum head loss, this bronze assembly is equipped with a plastic bonnet to protect from freeze damage, a spring-loaded check valve, air relief valve with opening port, two resilient seated shutoffs and test cocks, and NPT end connections. It has a maximum working pressure of 150 psi (10.3 bar) and a temperature range of 32° F to 140° F (0° C to 60° C). This assembly has a freeze sensor compatible with SentryPlus Alert technology, signaling facility personnel when temperatures near and reach freezing point. An optional freeze sensor connection kit is available to activate a monitoring system for low and freezing temperatures. At Febco we combine theory with practice to design and manufacture top quality, high-performance backflow prevention assemblies and flow control products. And we're here to not only set the industry standards, but to deliver the quality, performance, and affordability you demand in backflow prevention. Let's keep things safe.