Watts LF909-OSY-S-FS 2 1/2 - Part of the LF909 Large Series Z100F-3NH This first check valve kit

Watts LF909 OSY S FS 2 1 2 Part of the LF909 Large Series Z100F 3NH This first check valve kit This first check valve kit is used to repair or replace the first check on a 4 inch lead free double check detector assembly and used to prevent the reverse flow of polluted water from entering into the potable water supply Specifications Air Precharge 12 PSI Air Valve Yes Bladder Material Butyl Brand Watts Buy American Act Compliant NO Color Gray Diameter 11 IN EAN 098268340198 Electricity Required No Fuel Gauge No Inlet Connection Size 1 2 IN Inlet Connection Size Metric 15 MM Inlet Connection Type Male Threaded Inlet Thread Type NPT Lead Free Not In Scope Liner Material Does Not Apply To Product Maximum Operating Temperature Fahrenheit 220 Maximum Working Pressure PSI 75 Mount Type Pipe Orientation Vertical Horizontal Part Number 0235087 Series ETX ASF Stand Included No Tank Acceptance 2