Freeze Resistant Pressure Vacuum Breakers - 800M4FR

Features

• Bronze body construction, silicone rubber check valve disc, plastic check valve seat, stainless steel springs, and a lightweight plastic disc float
• Sensor on PVB signals when temperature nears the freezing point
• Freeze alerts help extend use of the PVB device by reducing damage and repair
• Freeze alerts feature available with add-on connection kit for irrigation management systems
• Unique built-in relief valve in plastic float protects assembly during sudden freeze conditions by relieving pressure caused by ice
• Compact and designed for easy maintenance
• Test cocks are positioned at lowest point of the valve for easy winterization draining
• O-ring bonnet seal reduces possibility of fouling

Keywords: 200psi, 200wog, aluminum, asse, backflow, buna, butterfly, castiron, checkvalve, commercial, dc, dcda, detector, diaphragm, didisc, double, doublecheck, drain, dual, enclosure, flanged, flangedend, heater, international, kit, lead free, lever, leverhandle, lf, lf223, lug, lvroperated, nrs, nseat, operated, osy, outside, pressure reducing valve, preventer, prv, pvb, quarterturn, reducing valve, rp, rpda, shut-off, ss, stainless, stainless steel, steel, strainer, thermostatic trap, valve, vlv, water pressure reducing valve, wattsbox, wprv, wyestrainer, y,