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Check Valves and Backflow Preventers

Check Valves and Backflow Preventers Total Products: 1522

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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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Air Gap Drain Kit 1/2 to1 In ABS Plastic

Air Gap Drain Kit 1/2 to1 In ABS Plastic

APOLLO
$55.83 - $55.83
$55.83
$55.83 - $55.83
$55.83

Air Gap Drain Kit For Use With 4A RPZ 1/2 in to 1 in Size 1/2 in 3/4 in 1 in Connection Type NPT Material of Construction ABS Plastic Temp Range 33...

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$55.83 - $55.83
$55.83
$55.83 - $55.83
$55.83
Ball Cone Check Valve Bronze 2 FNPT

Ball Cone Check Valve Bronze 2 FNPT

APOLLO
$327.16 - $327.16
$327.16
$327.16 - $327.16
$327.16

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

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$327.16 - $327.16
$327.16
$327.16 - $327.16
$327.16
Ball Cone Check Valve Bronze 1-1/4 FNPT

Ball Cone Check Valve Bronze 1-1/4 FNPT

APOLLO
$138.97 - $138.97
$138.97
$138.97 - $138.97
$138.97

Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Ball Cone Body Material - Valves Bronze Pipe or Tube Size 1 1/4...

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$138.97 - $138.97
$138.97
$138.97 - $138.97
$138.97
Ball Cone Check Valve Bronze 3/4 FNPT

Ball Cone Check Valve Bronze 3/4 FNPT

APOLLO
$57.80 - $57.80
$57.80
$57.80 - $57.80
$57.80

Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Ball Cone Body Material - Valves Bronze Pipe or Tube Size 3/4 i...

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$57.80 - $57.80
$57.80
$57.80 - $57.80
$57.80
Ball Cone Check Valve Bronze 3/4 FNPT

Ball Cone Check Valve Bronze 3/4 FNPT

APOLLO
$57.43 - $57.43
$57.43
$57.43 - $57.43
$57.43

Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Ball Cone Body Material - Valves Bronze Pipe or Tube Size 3/4 i...

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$57.43 - $57.43
$57.43
$57.43 - $57.43
$57.43
Dual Check Valve Bronze 1 FNPT

Dual Check Valve Bronze 1 FNPT

APOLLO
$158.76 - $158.76
$158.76
$158.76 - $158.76
$158.76

Item - Check Valves Check Valve Flow Design Dual Mechanism and Body Design Inline Body Material - Valves Bronze Pipe or Tube Size 1 in Connection T...

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$158.76 - $158.76
$158.76
$158.76 - $158.76
$158.76
Dual Check Valve Bronze 3/4 FNPT

Dual Check Valve Bronze 3/4 FNPT

APOLLO
$72.14 - $72.14
$72.14
$72.14 - $72.14
$72.14

Item - Check Valves Check Valve Flow Design Dual Mechanism and Body Design Inline Body Material - Valves Bronze Pipe or Tube Size 3/4 in Connection...

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$72.14 - $72.14
$72.14
$72.14 - $72.14
$72.14
Dual Check Valve Bronze 3/8 FNPT

Dual Check Valve Bronze 3/8 FNPT

APOLLO
$71.21 - $71.21
$71.21
$71.21 - $71.21
$71.21

Item - Check Valves Check Valve Flow Design Dual Mechanism and Body Design Inline Body Material - Valves Bronze Pipe or Tube Size 3/8 in Connection...

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$71.21 - $71.21
$71.21
$71.21 - $71.21
$71.21
Reduced Pressure Zone Backflow Preventer

Reduced Pressure Zone Backflow Preventer

APOLLO
$601.13 - $601.13
$601.13
$601.13 - $601.13
$601.13

Reduced Pressure Zone Backflow Preventer Series Apollo 4ALF-200 Size 1 in Connection FNPT Body Material Lead Free Bronze Temp Range 33 Degrees to 1...

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$601.13 - $601.13
$601.13
$601.13 - $601.13
$601.13
Double Check Valve Assembly NPT

Double Check Valve Assembly NPT

APOLLO
$656.47 - $656.47
$656.47
$656.47 - $656.47
$656.47

Double Check Valve Assembly Series Apollo 4ALF-100 Size 1 1/4 in Connection FNPT Body Material Lead Free Bronze Temp Range 33 Degrees to 180 Degree...

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$656.47 - $656.47
$656.47
$656.47 - $656.47
$656.47
Double Check Valve Assembly Size 1/2 In.

Double Check Valve Assembly Size 1/2 In.

APOLLO
$256.11 - $256.11
$256.11
$256.11 - $256.11
$256.11

Double Check Valve Assembly Series Apollo 4ALF-100 Size 1/2 in Connection FNPT Body Material Lead Free Bronze Temp Range 33 Degrees to 180 Degrees ...

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$256.11 - $256.11
$256.11
$256.11 - $256.11
$256.11
Vacuum Breaker 1 In FNPT 125 psi 125 psi

Vacuum Breaker 1 In FNPT 125 psi 125 psi

APOLLO
$136.53 - $136.53
$136.53
$136.53 - $136.53
$136.53

Vacuum Breaker Size 1 in Connection Type FNPT Material of Construction Lead-Free Bronze Seal Silicone Max Pressure 125 psi Temp Range 212 Degrees F...

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$136.53 - $136.53
$136.53
$136.53 - $136.53
$136.53
Vacuum Breaker 3/4 in FNPT 125 psi

Vacuum Breaker 3/4 in FNPT 125 psi

APOLLO
$76.13 - $76.13
$76.13
$76.13 - $76.13
$76.13

Vacuum Breaker Size 3/4 in Connection Type FNPT Material of Construction Lead-Free Bronze Seal Silicone Max Pressure 125 psi Temp Range 212 Degrees...

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$76.13 - $76.13
$76.13
$76.13 - $76.13
$76.13
Vacuum Breaker 1/2 in FNPT 125 psi

Vacuum Breaker 1/2 in FNPT 125 psi

APOLLO
$68.28 - $68.28
$68.28
$68.28 - $68.28
$68.28

Vacuum Breaker Size 1/2 in Connection Type FNPT Material of Construction Lead-Free Bronze Seal Silicone Max Pressure 125 psi Temp Range 212 Degrees...

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$68.28 - $68.28
$68.28
$68.28 - $68.28
$68.28
Vacuum Breaker 3/8 in FNPT 125 psi

Vacuum Breaker 3/8 in FNPT 125 psi

APOLLO
$54.64 - $54.64
$54.64
$54.64 - $54.64
$54.64

Vacuum Breaker Size 3/8 in Connection Type FNPT Material of Construction Lead-Free Bronze Seal Silicone Max Pressure 125 psi Temp Range 212 Degrees...

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$54.64 - $54.64
$54.64
$54.64 - $54.64
$54.64
Freeze Resistant Vacuum Breaker 9-1/2inH

Freeze Resistant Vacuum Breaker 9-1/2inH

WATTS
$1,087.58 - $1,087.58
$1,087.58
$1,087.58 - $1,087.58
$1,087.58

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

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$1,087.58 - $1,087.58
$1,087.58
$1,087.58 - $1,087.58
$1,087.58
Freeze Resistant Vacuum Breaker 7-1/2inH

Freeze Resistant Vacuum Breaker 7-1/2inH

WATTS
$412.65 - $412.65
$412.65
$412.65 - $412.65
$412.65

Freeze Resistant Vacuum Breaker Size 1 in Connection Type FNPT Material of Construction Cast Bronze Seal Silicone Max Pressure 150 psi Temp Range 3...

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$412.65 - $412.65
$412.65
$412.65 - $412.65
$412.65
Double Check Detector 774 8in Flanged

Double Check Detector 774 8in Flanged

WATTS
$15,781.36 - $15,781.36
$15,781.36
$15,781.36 - $15,781.36
$15,781.36

Double Check Detector Assembly Series Watts 774 Size 8 in Connection Flanged Body Material Stainless Steel Temp Range 33 to 110 Degrees F Max Temp ...

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$15,781.36 - $15,781.36
$15,781.36
$15,781.36 - $15,781.36
$15,781.36
DoubleCheckDetector 774Series

DoubleCheckDetector 774Series

WATTS
$5,421.23 - $5,421.23
$5,421.23
$5,421.23 - $5,421.23
$5,421.23

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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$5,421.23 - $5,421.23
$5,421.23
$5,421.23 - $5,421.23
$5,421.23
Double Check Detector 774 10in Flanged

Double Check Detector 774 10in Flanged

WATTS
$22,355.76 - $22,355.76
$22,355.76
$22,355.76 - $22,355.76
$22,355.76

Double Check Detector Assembly Series Watts 774 Size 10 in Connection Flanged Body Material Stainless Steel Temp Range 33 to 110 Degrees F Max Temp...

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$22,355.76 - $22,355.76
$22,355.76
$22,355.76 - $22,355.76
$22,355.76
Double Check Detector 774 4in 22-3/4inH

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

WATTS
$6,687.55 - $6,687.55
$6,687.55
$6,687.55 - $6,687.55
$6,687.55

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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$6,687.55 - $6,687.55
$6,687.55
$6,687.55 - $6,687.55
$6,687.55
Double Check Valve Watts719 1/2in FNPT

Double Check Valve Watts719 1/2in FNPT

WATTS
$569.32 - $569.32
$569.32
$569.32 - $569.32
$569.32

Double Check Valve Assembly Series Watts 719 Size 1/2 in Connection FNPT Body Material Bronze Temp Range 33 to 180 Degrees F Max Temp 180 Degrees F...

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$569.32 - $569.32
$569.32
$569.32 - $569.32
$569.32
Dual Check Valve w/ Port Brass 1/2 FNPT

Dual Check Valve w/ Port Brass 1/2 FNPT

APOLLO
$96.35 - $96.35
$96.35
$96.35 - $96.35
$96.35

Item - Check Valves Check Valve Flow Design Dual with Vent Mechanism and Body Design Inline Body Material - Valves Brass Pipe or Tube Size 1/2 in C...

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$96.35 - $96.35
$96.35
$96.35 - $96.35
$96.35
Reduced Pressure Zone Assembly 1/2in

Reduced Pressure Zone Assembly 1/2in

WATTS REGULATOR
$632.32 - $632.32
$632.32
$632.32 - $632.32
$632.32

Reduced Pressure Zone Assembly Series 009 Size 1/2 in Connection Press Body Material Copper Silicon Alloy Temp Range 33 Degrees to 180 Degrees F Ma...

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$632.32 - $632.32
$632.32
$632.32 - $632.32
$632.32

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