Check Valves and Backflow Preventers Total Products: 1420

Air Gap For Use With Series 909 (1/4 in to 1/2 in) Size 1/4 in to 1/2 in Connection Type NPT Length 3 1/8 in Width 2 3/8 in Material of Constructio...

Reduced Pressure Zone Backflow Preventer Series Watts 009 Size 1/2 in Connection NPT Body Material Stainless Steel Temp Range 33 Degrees to 180 Deg...

Air Gap For Use With Series 909 (4 in to 6 in) Size 4 in to 6 in Connection Type NPT Length 9 5/8 in Width 6 3/8 in Material of Construction Cast I...

Double Check Valve Assembly Series Watts 757 Size 4 in Connection Flanged Body Material Cast Iron Temp Range 33 Degrees to 140 Degrees F Max Temp 1...

Double Check Valve Assembly Series Watts 757 Size 3 in Connection Flanged Body Material Cast Iron Temp Range 33 Degrees to 140 Degrees F Max Temp 1...

Double Check Valve Assembly Series Watts 757 Size 2 1/2 in Connection Flanged Body Material Cast Iron Temp Range 33 Degrees to 140 Degrees F Max Te...

Backflow Preventer Test Kit 3 Valve Includes (3) 3 ft Hoses (3)Test Valves (9) Hose Adapters 16 in Security Strap Analog Test Gauge Carrying Case F...

Air Gap For Use With Series 909 (3/4 in to 1 in ) Size 3/4 in to 1 in Connection Type NPT Length 4 7/8 in Width 3 1/4 in Material of Construction C...

Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Wafer Body Material - Valves CPVC Pipe or Tube Size 8 in Connec...

Double Check Valve Assembly Series Watts 719 Size 3/4 in Connection FNPT Body Material Copper Silicon Alloy Temp Range 33 to 180 Degrees F Max Temp...

Relief Valve Repair Kit For Use With Febco Backflow 1-1/2 to 2 in Includes (2) Each O-Rings (1) Each Diaphragm Seat Disc

Single Check Kit For Use With Febco Backflow (1-1/2 to 2 in) Includes Cover O-Ring Disc Holder Assembly

Rubber Parts Kit For Use With Febco Backflow 1-1/2 to 2 in Includes (1) Each Diaphragm RV Seat Disc RV Seat O-Ring (2) Each RV O-Rings Seat Discs ...

Relief Valve Repair Kit For Use With Febco Backflow 1-1/2 to 2 in Includes Diaphragm Internal Spring/Disc Holder Assembly

Relief Valve Repair Kit For Use With Febco Backflow (3/4 to 1 in) Includes (2) Each O-Rings (1) Each Diaphragm Seat Disc

Single Check Kit For Use With Fedco Backflow (3/4 to 1 in) Includes Cover O-Ring Disc Holder Assembly

Rubber Parts Kit For Use With 3/4 in to 1 1/4 in Reduced Pressure Zone Assembly Includes (1) Each Diaphragm RV Seat Disc RV Seat O-Ring (2) Each RV...

Relief Valve Repair Kit For Use With Febco Backflow 3/4 to 1 in Includes Diaphragm Internal Spring/Disc Holder Assembly

Check Valve Repair Parts For Use With Febco Backflow 3/4 to 1 in Includes (2) Each Seat Discs Cover O-Rings

Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Swing Body Material - Valves Bronze Pipe or Tube Size 1/2 in Co...

Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Swing Body Material - Valves Bronze Pipe or Tube Size 1 1/2 in ...

Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Swing Body Material - Valves Bronze Pipe or Tube Size 1 in Conn...

Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Swing Body Material - Valves PVC Pipe or Tube Size 1 1/2 in Con...

Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Body Material - Valves Brass Electroless Nickel Pipe or Tube Si...