This product is an open top silt bag that is made to hang below the storm grate
Cover O-ring Kit Type First or Second Check Kit Lead Free YES Product Group BACKFLOW KITS UPC - 098268374186
designed for long-term performance in wet use cases
7 Body Material Iron Brand Watts Corrosion Resistant Coating No Disc Material Silicone EAN 098268278156 Environmental Product Declaration No Gauge Option No Gauge Inlet Connection Size 1/2 IN Inlet Connection Type Union Joint Inlet Thread Type NPT Lead Free NO Maximum Operating Temperature-Celsius 100
non-health hazard applications in smaller supply lines
Watts 800M4FR-FZ 1 1/2 - Part of the 800M4FR Series ground-shipping This product is an openThis 1 1 2 inch freeze resistant pressure vacuum breaker backflow preventer helps prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of bronze body construction, silicone rubber check valve disc, plastic check valve seat, stainless steel springs, a bonnet with silicone rubber O ring seal, a lightweight plastic disc float, a built in relief valve to protect the internal components