Skip to content
Check Valves and Backflow Preventers

Check Valves and Backflow Preventers Total Products: 1529

Sub Collections

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

Filters

$
$
Ball Cone Check Valve Bronze 2 FNPT

Ball Cone Check Valve Bronze 2 FNPT

APOLLO
$257.59 - $257.59
$257.59
$257.59 - $257.59
$257.59

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 ...

View full Details
$257.59 - $257.59
$257.59
$257.59 - $257.59
$257.59
Ball Cone Check Valve Bronze 3/8 FNPT

Ball Cone Check Valve Bronze 3/8 FNPT

APOLLO
$35.88 - $35.88
$35.88
$35.88 - $35.88
$35.88

Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Ball Cone Body Material - Valves Bronze Pipe or Tube Size 3/8 i...

View full Details
$35.88 - $35.88
$35.88
$35.88 - $35.88
$35.88
Ball Cone Check Valve Bronze 1/4 FNPT

Ball Cone Check Valve Bronze 1/4 FNPT

APOLLO
$36.35 - $36.35
$36.35
$36.35 - $36.35
$36.35

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

View full Details
$36.35 - $36.35
$36.35
$36.35 - $36.35
$36.35
Check Valve Nylon 3/8 Push x BSPT

Check Valve Nylon 3/8 Push x BSPT

LEGRIS
$43.39 - $43.39
$43.39
$43.39 - $43.39
$43.39

Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Body Material - Valves Nickel Plated Brass Nylon Pipe or Tube S...

View full Details
$43.39 - $43.39
$43.39
$43.39 - $43.39
$43.39
Check Valve Nylon 3/8 x 1/4 PushxBSPT

Check Valve Nylon 3/8 x 1/4 PushxBSPT

LEGRIS
$38.32 - $38.32
$38.32
$38.32 - $38.32
$38.32

Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Body Material - Valves Nickel Plated Brass Nylon Pipe or Tube S...

View full Details
$38.32 - $38.32
$38.32
$38.32 - $38.32
$38.32
Check Valve Nylon 1/4 Push x BSPT

Check Valve Nylon 1/4 Push x BSPT

LEGRIS
$30.36 - $30.36
$30.36
$30.36 - $30.36
$30.36

Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Body Material - Valves Nickel Plated Brass Nylon Pipe or Tube S...

View full Details
$30.36 - $30.36
$30.36
$30.36 - $30.36
$30.36
Check Valve Nylon 1/4 x 1/8 PushxBSPT

Check Valve Nylon 1/4 x 1/8 PushxBSPT

LEGRIS
$29.97 - $29.97
$29.97
$29.97 - $29.97
$29.97

Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Body Material - Valves Nickel Plated Brass Nylon Pipe or Tube S...

View full Details
$29.97 - $29.97
$29.97
$29.97 - $29.97
$29.97
Check Valve Nylon 5/32 x 1/8 PushxBSPT

Check Valve Nylon 5/32 x 1/8 PushxBSPT

LEGRIS
$25.31 - $25.31
$25.31
$25.31 - $25.31
$25.31

Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Body Material - Valves Nickel Plated Brass Nylon Pipe or Tube S...

View full Details
$25.31 - $25.31
$25.31
$25.31 - $25.31
$25.31
Wafer Check Valve Cast Iron 8 Flange

Wafer Check Valve Cast Iron 8 Flange

MUELLER STEAM SPECIALTY
$1,234.42 - $1,234.42
$1,234.42
$1,234.42 - $1,234.42
$1,234.42

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

View full Details
$1,234.42 - $1,234.42
$1,234.42
$1,234.42 - $1,234.42
$1,234.42
Wafer Check Valve Cast Iron 6 Flange

Wafer Check Valve Cast Iron 6 Flange

MUELLER STEAM SPECIALTY
$844.82 - $844.82
$844.82
$844.82 - $844.82
$844.82

Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Wafer Body Material - Valves Cast Iron Pipe or Tube Size 6 in C...

View full Details
$844.82 - $844.82
$844.82
$844.82 - $844.82
$844.82
Check Valve Kynar 3/8 x 1/4 PushxMNPT

Check Valve Kynar 3/8 x 1/4 PushxMNPT

PARKER
$22.66 - $22.66
$22.66
$22.66 - $22.66
$22.66

Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Spring Body Material - Valves Kynar(R) Pipe or Tube Size 3/8 in...

View full Details
$22.66 - $22.66
$22.66
$22.66 - $22.66
$22.66
Swing Check Valve PVC 2 Solvent Weld

Swing Check Valve PVC 2 Solvent Weld

ZOELLER
$70.10 - $70.10
$70.10
$70.10 - $70.10
$70.10

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

View full Details
$70.10 - $70.10
$70.10
$70.10 - $70.10
$70.10
Ball Cone Check Valve Bronze 1-1/2 FNPT

Ball Cone Check Valve Bronze 1-1/2 FNPT

APOLLO
$159.21 - $159.21
$159.21
$159.21 - $159.21
$159.21

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

View full Details
$159.21 - $159.21
$159.21
$159.21 - $159.21
$159.21
Ball Cone Check Valve Bronze 1-1/4 FNPT

Ball Cone Check Valve Bronze 1-1/4 FNPT

APOLLO
$120.85 - $120.85
$120.85
$120.85 - $120.85
$120.85

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...

View full Details
$120.85 - $120.85
$120.85
$120.85 - $120.85
$120.85
Ball Cone Check Valve Bronze 1 FNPT

Ball Cone Check Valve Bronze 1 FNPT

APOLLO
$71.14 - $71.14
$71.14
$71.14 - $71.14
$71.14

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

View full Details
$71.14 - $71.14
$71.14
$71.14 - $71.14
$71.14
Ball Cone Check Valve Bronze 3/4 FNPT

Ball Cone Check Valve Bronze 3/4 FNPT

APOLLO
$52.10 - $52.10
$52.10
$52.10 - $52.10
$52.10

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...

View full Details
$52.10 - $52.10
$52.10
$52.10 - $52.10
$52.10
Ball Cone Check Valve Bronze 1/2 FNPT

Ball Cone Check Valve Bronze 1/2 FNPT

APOLLO
$36.67 - $36.67
$36.67
$36.67 - $36.67
$36.67

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

View full Details
$36.67 - $36.67
$36.67
$36.67 - $36.67
$36.67
Backflow Preventer Repair Kit

Backflow Preventer Repair Kit

WATTS
$236.44 - $236.44
$236.44
$236.44 - $236.44
$236.44

Backflow Preventer Repair Kit For Use With 957-OSY 3 in 957-OSY 4 in Mfr No 957-OSY 21/2 Includes Diaphragm First And Second Check Inlet Coupler O-...

View full Details
$236.44 - $236.44
$236.44
$236.44 - $236.44
$236.44
Air Gap 2-1/2 to 10 In Use w/Series 957

Air Gap 2-1/2 to 10 In Use w/Series 957

WATTS
$328.04 - $328.04
$328.04
$328.04 - $328.04
$328.04

Air Gap For Use With Series 957 (2-1/2 in to 10 in) Size 2 1/2 in to 10 in Connection Type NPT Length 10 3/16 in Width 7 1/2 in Material of Constru...

View full Details
$328.04 - $328.04
$328.04
$328.04 - $328.04
$328.04
Reduced Pressure Zone Backflow Preventer

Reduced Pressure Zone Backflow Preventer

WATTS
$3,915.44 - $3,915.44
$3,915.44
$3,915.44 - $3,915.44
$3,915.44

Reduced Pressure Zone Backflow Preventer Series Watts 957 Size 4 in Connection Flanged Body Material 304 Stainless Steel Temp Range 33 Degrees to 1...

View full Details
$3,915.44 - $3,915.44
$3,915.44
$3,915.44 - $3,915.44
$3,915.44
Reduced Pressure Zone Backflow Preventer

Reduced Pressure Zone Backflow Preventer

WATTS
$3,134.13 - $3,134.13
$3,134.13
$3,134.13 - $3,134.13
$3,134.13

Reduced Pressure Zone Backflow Preventer Series Watts 957 Size 3 in Connection Flanged Body Material 304 Stainless Steel Temp Range 33 Degrees to 1...

View full Details
$3,134.13 - $3,134.13
$3,134.13
$3,134.13 - $3,134.13
$3,134.13
Reduced Pressure Zone Backflow Preventer

Reduced Pressure Zone Backflow Preventer

WATTS
$3,388.57 - $3,388.57
$3,388.57
$3,388.57 - $3,388.57
$3,388.57

Reduced Pressure Zone Backflow Preventer Series Watts 957 Size 2 1/2 in Connection Flanged Body Material 304 Stainless Steel Temp Range 33 Degrees ...

View full Details
$3,388.57 - $3,388.57
$3,388.57
$3,388.57 - $3,388.57
$3,388.57
Backflow Preventer Repair Kit

Backflow Preventer Repair Kit

WATTS
$60.47 - $60.47
$60.47
$60.47 - $60.47
$60.47

Backflow Preventer Repair Kit For Use With Watts No 21/2 757 OSY Watts No 3 757 OSY Watts No 4 757 OSY Includes Check Disc Cover And Sleeve O-Ring ...

View full Details
$60.47 - $60.47
$60.47
$60.47 - $60.47
$60.47
Backflow Preventer Repair Kit

Backflow Preventer Repair Kit

WATTS
$50.06 - $50.06
$50.06
$50.06 - $50.06
$50.06

Backflow Preventer Repair Kit For Use With Watts No 21/2 757 OSY Watts No 3 757 OSY Watts No 4 757 OSY Includes Check Disc Cover And Sleeve O-Ring ...

View full Details
$50.06 - $50.06
$50.06
$50.06 - $50.06
$50.06

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare