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Check Valves and Backflow Preventers

Check Valves and Backflow Preventers Total Products: 761

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Check Valves
Check Valves
Sanitary Check Valves
Sanitary Check Valves
Vacuum Breakers
Vacuum Breakers
Backflow Preventers
Backflow Preventers
Backflow Preventer Test Kits
Backflow Preventer Test Kits
Backflow Preventer Repair Kits
Backflow Preventer Repair Kits
Backflow Preventer Accessories
Backflow Preventer Accessories
Flow Control Check Valves
Flow Control Check Valves
Surge Relief Valves
Surge Relief Valves
Foot Valve Spring Bronze 2
Foot Valves
Backwater Valve 4 in PVC 120 Deg F
Backwater Valves

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Wafer Check Valve PVC 4 Flange

Wafer Check Valve PVC 4 Flange

HAYWARD
$946.75 - $946.75
$946.75
$946.75 - $946.75
$946.75

Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Wafer Body Material - Valves PVC Pipe or Tube Size 4 in Connect...

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$946.75 - $946.75
$946.75
$946.75 - $946.75
$946.75
Vacuum Breaker 1-3/4inH Freeze Relief

Vacuum Breaker 1-3/4inH Freeze Relief

WATTS
$111.72 - $111.72
$111.72
$111.72 - $111.72
$111.72

Atmospheric Vacuum Breaker Size 3/4 in Connection Type FGHT x MGHT Material of Construction Lead Free Copper Silicon Alloy Seal Rubber Max Pressure...

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$111.72 - $111.72
$111.72
$111.72 - $111.72
$111.72
Vacuum Breaker 1-1/2inH Tamper-Proof

Vacuum Breaker 1-1/2inH Tamper-Proof

WATTS
$79.16 - $79.16
$79.16
$79.16 - $79.16
$79.16

Atmospheric Vacuum Breaker Size 3/4 in Connection Type FGHT x MGHT Material of Construction Lead Free Chrome Copper Silicon Alloy Seal Rubber Max P...

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$79.16 - $79.16
$79.16
$79.16 - $79.16
$79.16
Vacuum Breaker 1-1/2inH Chrome Finish

Vacuum Breaker 1-1/2inH Chrome Finish

WATTS
$87.76 - $87.76
$87.76
$87.76 - $87.76
$87.76

Atmospheric Vacuum Breaker Size 3/4 in Connection Type FGHT x MGHT Material of Construction Lead Free Chrome Copper Silicon Alloy Seal Rubber Max P...

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$87.76 - $87.76
$87.76
$87.76 - $87.76
$87.76
Dual Check Vacuum Breaker 9-5/8inH

Dual Check Vacuum Breaker 9-5/8inH

WATTS
$1,533.38 - $1,533.38
$1,533.38
$1,533.38 - $1,533.38
$1,533.38

Dual Check Vacuum Breaker Size 2 in Connection Type FNPT Material of Construction Cast Bronze Seal Silicone Max Pressure 150 psi Temp Range 33 Degr...

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$1,533.38 - $1,533.38
$1,533.38
$1,533.38 - $1,533.38
$1,533.38
Freeze Resistant Vacuum Breaker 9inH

Freeze Resistant Vacuum Breaker 9inH

WATTS
$1,263.33 - $1,263.33
$1,263.33
$1,263.33 - $1,263.33
$1,263.33

Freeze Resistant Vacuum Breaker Size 1 1/4 in Connection Type FNPT Material of Construction Cast Bronze Seal Silicone Max Pressure 150 psi Temp Ran...

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$1,263.33 - $1,263.33
$1,263.33
$1,263.33 - $1,263.33
$1,263.33
Freeze Resistant Vacuum Breaker 6-1/4inH

Freeze Resistant Vacuum Breaker 6-1/4inH

WATTS
$492.39 - $492.39
$492.39
$492.39 - $492.39
$492.39

Freeze Resistant Vacuum Breaker Size 1/2 in Connection Type FNPT Material of Construction Cast Bronze Seal Silicone Max Pressure 150 psi Temp Range...

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$492.39 - $492.39
$492.39
$492.39 - $492.39
$492.39
Reduced Pressure Zone 994 10in Flanged

Reduced Pressure Zone 994 10in Flanged

WATTS
$36,870.26 - $36,870.26
$36,870.26
$36,870.26 - $36,870.26
$36,870.26

Reduced Pressure Zone Assembly Series Watts 994 Size 10 in Connection Flanged Body Material Stainless Steel Temp Range 33 to 110 Degrees F Max Temp...

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$36,870.26 - $36,870.26
$36,870.26
$36,870.26 - $36,870.26
$36,870.26
Reduced Pressure Zone 994 4in Flanged

Reduced Pressure Zone 994 4in Flanged

WATTS
$10,133.60 - $10,133.60
$10,133.60
$10,133.60 - $10,133.60
$10,133.60

Reduced Pressure Zone Assembly Series Watts 994 Size 4 in Connection Flanged Body Material Stainless Steel Temp Range 33 to 110 Degrees F Max Temp ...

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$10,133.60 - $10,133.60
$10,133.60
$10,133.60 - $10,133.60
$10,133.60
ReducedPressureZone 994 2-1/2in Flanged

ReducedPressureZone 994 2-1/2in Flanged

WATTS
$7,719.07 - $7,719.07
$7,719.07
$7,719.07 - $7,719.07
$7,719.07

Reduced Pressure Zone Assembly Series Watts 994 Size 2 1/2 in Connection Flanged Body Material Stainless Steel Temp Range 33 to 110 Degrees F Max T...

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$7,719.07 - $7,719.07
$7,719.07
$7,719.07 - $7,719.07
$7,719.07
Reduced Pressure Zone Watt009 3/4in FNPT

Reduced Pressure Zone Watt009 3/4in FNPT

WATTS
$1,097.56 - $1,097.56
$1,097.56
$1,097.56 - $1,097.56
$1,097.56

Reduced Pressure Zone Assembly Series Watts 009 Size 3/4 in Connection FNPT Body Material Bronze Temp Range 33 to 180 Degrees F Max Temp 180 Degree...

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$1,097.56 - $1,097.56
$1,097.56
$1,097.56 - $1,097.56
$1,097.56
Reduced Pressure Zone Watt009 1/2in FNPT

Reduced Pressure Zone Watt009 1/2in FNPT

WATTS
$922.73 - $922.73
$922.73
$922.73 - $922.73
$922.73

Reduced Pressure Zone Assembly Series Watts 009 Size 1/2 in Connection FNPT Body Material Bronze Temp Range 33 to 180 Degrees F Max Temp 180 Degree...

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$922.73 - $922.73
$922.73
$922.73 - $922.73
$922.73
Double Check Detector 12in 53-1/8inH

Double Check Detector 12in 53-1/8inH

WATTS
$49,395.31 - $49,395.31
$49,395.31
$49,395.31 - $49,395.31
$49,395.31

Double Check Detector Assembly Series Watts 774 Size 12 in Connection Flanged Body Material Stainless Steel Temp Range 33 to 110 Degrees F Max Temp...

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$49,395.31 - $49,395.31
$49,395.31
$49,395.31 - $49,395.31
$49,395.31
Double Check Detector 774 6in ShortLayL

Double Check Detector 774 6in ShortLayL

WATTS
$15,838.41 - $15,838.41
$15,838.41
$15,838.41 - $15,838.41
$15,838.41

Double Check Detector Assembly Series Watts 774 Size 6 in Connection Flanged Body Material Stainless Steel Temp Range 33 to 110 Degrees F Max Temp ...

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$15,838.41 - $15,838.41
$15,838.41
$15,838.41 - $15,838.41
$15,838.41
Double Check Detector 774 4in 22-3/4inH

Double Check Detector 774 4in 22-3/4inH

WATTS
$11,703.78 - $11,703.78
$11,703.78
$11,703.78 - $11,703.78
$11,703.78

Double Check Detector Assembly Series Watts 774 Size 4 in Connection Flanged Body Material Stainless Steel Temp Range 33 to 110 Degrees F Max Temp ...

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$11,703.78 - $11,703.78
$11,703.78
$11,703.78 - $11,703.78
$11,703.78
Double Check Detector 774 12in Flanged

Double Check Detector 774 12in Flanged

WATTS
$51,018.57 - $51,018.57
$51,018.57
$51,018.57 - $51,018.57
$51,018.57

Double Check Detector Assembly Series Watts 774 Size 12 in Connection Flanged Body Material Stainless Steel Temp Range 33 to 110 Degrees F Max Temp...

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$51,018.57 - $51,018.57
$51,018.57
$51,018.57 - $51,018.57
$51,018.57
Double Check Detector 774 6in Flanged

Double Check Detector 774 6in Flanged

WATTS
$14,863.81 - $14,863.81
$14,863.81
$14,863.81 - $14,863.81
$14,863.81

Double Check Detector Assembly Series Watts 774 Size 6 in Connection Flanged Body Material Stainless Steel Temp Range 33 to 110 Degrees F Max Temp ...

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$14,863.81 - $14,863.81
$14,863.81
$14,863.81 - $14,863.81
$14,863.81
Double Check Detector 774 3in Flanged

Double Check Detector 774 3in Flanged

WATTS
$10,478.29 - $10,478.29
$10,478.29
$10,478.29 - $10,478.29
$10,478.29

Double Check Detector Assembly Series Watts 774 Size 3 in Connection Flanged Body Material Stainless Steel Temp Range 33 to 110 Degrees F Max Temp ...

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$10,478.29 - $10,478.29
$10,478.29
$10,478.29 - $10,478.29
$10,478.29
DoubleCheckDetector 774 2-1/2in Flanged

DoubleCheckDetector 774 2-1/2in Flanged

WATTS
$9,306.55 - $9,306.55
$9,306.55
$9,306.55 - $9,306.55
$9,306.55

Double Check Detector Assembly Series Watts 774 Size 2 1/2 in Connection Flanged Body Material Stainless Steel Temp Range 33 to 110 Degrees F Max T...

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$9,306.55 - $9,306.55
$9,306.55
$9,306.55 - $9,306.55
$9,306.55
DoubleCheckDetector 4in Flanged

DoubleCheckDetector 4in Flanged

WATTS
$32,611.23 - $32,611.23
$32,611.23
$32,611.23 - $32,611.23
$32,611.23

Double Check Detector Assembly Series Watts 709DCDA Size 4 in Connection Flanged Body Material Cast Iron Temp Range 33 to 110 Degrees F Max Temp 11...

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$32,611.23 - $32,611.23
$32,611.23
$32,611.23 - $32,611.23
$32,611.23
DoubleCheckDetector 709DCDA 8in Flanged

DoubleCheckDetector 709DCDA 8in Flanged

WATTS
$36,809.31 - $36,809.31
$36,809.31
$36,809.31 - $36,809.31
$36,809.31

Double Check Detector Assembly Series Watts 709DCDA Size 8 in Connection Flanged Body Material Cast Iron Temp Range 33 to 110 Degrees F Max Temp 11...

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$36,809.31 - $36,809.31
$36,809.31
$36,809.31 - $36,809.31
$36,809.31
DoubleCheckDetector 709DCDA 6in Flanged

DoubleCheckDetector 709DCDA 6in Flanged

WATTS
$19,422.01 - $19,422.01
$19,422.01
$19,422.01 - $19,422.01
$19,422.01

Double Check Detector Assembly Series Watts 709DCDA Size 6 in Connection Flanged Body Material Cast Iron Temp Range 33 to 110 Degrees F Max Temp 11...

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$19,422.01 - $19,422.01
$19,422.01
$19,422.01 - $19,422.01
$19,422.01
DoubleCheckDetector 709DCDA 4in Flanged

DoubleCheckDetector 709DCDA 4in Flanged

WATTS
$13,683.07 - $13,683.07
$13,683.07
$13,683.07 - $13,683.07
$13,683.07

Double Check Detector Assembly Series Watts 709DCDA Size 4 in Connection Flanged Body Material Cast Iron Temp Range 33 to 110 Degrees F Max Temp 11...

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$13,683.07 - $13,683.07
$13,683.07
$13,683.07 - $13,683.07
$13,683.07
DoubleCheckDetector 709DCDA 3in Flanged

DoubleCheckDetector 709DCDA 3in Flanged

WATTS
$12,104.67 - $12,104.67
$12,104.67
$12,104.67 - $12,104.67
$12,104.67

Double Check Detector Assembly Series Watts 709DCDA Size 3 in Connection Flanged Body Material Cast Iron Temp Range 33 to 110 Degrees F Max Temp 11...

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$12,104.67 - $12,104.67
$12,104.67
$12,104.67 - $12,104.67
$12,104.67

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