Skip to content
Check Valves and Backflow Preventers

Check Valves and Backflow Preventers Total Products: 2164

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

$
$
Relief Kit Watts Series 009 M3 3/4 In

Relief Kit Watts Series 009 M3 3/4 In

WATTS
$176.76 - $176.76
$176.76
$176.76 - $176.76
$176.76

Total Relief Kit For Use With Watts Series 009 (M3 or 3/4 in) Includes Cover O-ring RV spring Seat Seat O-ring Stem and Diaphragm Assembly Stem O-ring

$176.76 - $176.76
$176.76
$176.76 - $176.76
$176.76
Total Relief Kit Watts Series 009 M2 2In

Total Relief Kit Watts Series 009 M2 2In

WATTS
$455.09 - $455.09
$455.09
$455.09 - $455.09
$455.09

Total Relief Kit For Use With Watts Series 009 (M2 or 2 in) Includes Cover O-ring RV spring Seat Seat O-ring Stem and Diaphragm Assembly Stem O-ring

$455.09 - $455.09
$455.09
$455.09 - $455.09
$455.09
Relief Kit Watts 009 M2 1-1/4 to 1-1/2In

Relief Kit Watts 009 M2 1-1/4 to 1-1/2In

WATTS
$340.03 - $340.03
$340.03
$340.03 - $340.03
$340.03

Total Relief Kit For Use With Watts 009 (M2 or 1-1/4 to 1-1/2 in) Includes Cover O-Ring RV Assembly RV Spring Seat Seat O-Ring Sensing Passage O-Ri...

View full Details
$340.03 - $340.03
$340.03
$340.03 - $340.03
$340.03
Relief Kit Watts Series 009 M2 3/4 In

Relief Kit Watts Series 009 M2 3/4 In

WATTS
$183.66 - $183.66
$183.66
$183.66 - $183.66
$183.66

Total Relief Kit For Use With Watts Series 009 M2 3/4 in Includes Cover O-ring RV spring Seat Seat O-ring Stem and Diaphragm Assembly Stem O-ring

$183.66 - $183.66
$183.66
$183.66 - $183.66
$183.66
Total Relief Kit Watts 009 2-1/2 to 3In

Total Relief Kit Watts 009 2-1/2 to 3In

WATTS
$973.15 - $973.15
$973.15
$973.15 - $973.15
$973.15

Total Relief Kit For Use With Watts Series 009 2-1/2 to 3 in Includes Cover O-ring RV spring Seat Seat O-ring Stem and Diaphragm Assembly Stem O-ring

$973.15 - $973.15
$973.15
$973.15 - $973.15
$973.15
Total Relief Kit Watts 009 3/4 to 1 In

Total Relief Kit Watts 009 3/4 to 1 In

WATTS
$270.48 - $270.48
$270.48
$270.48 - $270.48
$270.48

Total Relief Kit For Use With Watts Series 009 (3/4 to 1 in) Includes Cover O-ring RV spring Seat Seat O-ring Stem and Diaphragm Assembly Stem O-ring

$270.48 - $270.48
$270.48
$270.48 - $270.48
$270.48
Total Relief Kit Watts 009 1/4 to 1/2In

Total Relief Kit Watts 009 1/4 to 1/2In

WATTS
$145.98 - $145.98
$145.98
$145.98 - $145.98
$145.98

Total Relief Kit For Use With Watts Series 009 1/4 to 1/2 in Includes Cover O-ring RV spring Seat Seat O-ring Stem and Diaphragm Assembly Stem O-ring

$145.98 - $145.98
$145.98
$145.98 - $145.98
$145.98
Rubber Kit Watts Series 909 8 In

Rubber Kit Watts Series 909 8 In

WATTS
$852.94 - $852.94
$852.94
$852.94 - $852.94
$852.94

Backflow Preventer Repair Kit For Use With Watts Series 909 8 in Includes Adapter O-ring Bottom Plug O-ring Diaphragm Lubricant Piston O-ring Pist...

View full Details
$852.94 - $852.94
$852.94
$852.94 - $852.94
$852.94
Rubber Kit Watts Series 009 M2 1 In

Rubber Kit Watts Series 009 M2 1 In

WATTS
$105.89 - $105.89
$105.89
$105.89 - $105.89
$105.89

Backflow Preventer Repair Kit For Use With Watts Series 009 (M2 or 1 in) Includes (2) Molded Disc Assemblies (2) Piston O-rings (2) Seat O-rings Co...

View full Details
$105.89 - $105.89
$105.89
$105.89 - $105.89
$105.89
Rubber Kit Watts 009 M1 1-1/4 to 2 In

Rubber Kit Watts 009 M1 1-1/4 to 2 In

WATTS
$229.86 - $229.86
$229.86
$229.86 - $229.86
$229.86

Backflow Preventer Repair Kit For Use With Watts Series 009 (M1 or 1-1/4 to 2 in) Includes (2) Molded Disc Assemblies (2) Piston O-rings (2) Seat O...

View full Details
$229.86 - $229.86
$229.86
$229.86 - $229.86
$229.86
Rubber Kit Watts Series 009 2-1/2 to 3In

Rubber Kit Watts Series 009 2-1/2 to 3In

WATTS
$609.65 - $609.65
$609.65
$609.65 - $609.65
$609.65

Backflow Preventer Repair Kit For Use With Watts Series 009 (2-1/2 to 3 in) Includes (2) Molded Disc Assemblies (2) Piston O-rings (2) Seat O-rings...

View full Details
$609.65 - $609.65
$609.65
$609.65 - $609.65
$609.65
Rubber Kit Watts 007 1-1/2 to 2 In

Rubber Kit Watts 007 1-1/2 to 2 In

WATTS
$117.36 - $117.36
$117.36
$117.36 - $117.36
$117.36

Double Check Valve Repair Kit For Use With Watts Series 007 1-1/2 to 2 in Includes (2) Disc Assemblies (2) Seat O-rings Cover O-ring

$117.36 - $117.36
$117.36
$117.36 - $117.36
$117.36
Rubber Kit Watts Series 007 3/4 to 1 In

Rubber Kit Watts Series 007 3/4 to 1 In

WATTS
$39.72 - $39.72
$39.72
$39.72 - $39.72
$39.72

Double Check Valve Repair Kit For Use With Watts Series 007 3/4 to 1 in Includes (2) Disc Assemblies (2) Seat O-rings Cover O-ring

$39.72 - $39.72
$39.72
$39.72 - $39.72
$39.72
Repair Kit Watts 909 M1 1-1/4 to 2 In

Repair Kit Watts 909 M1 1-1/4 to 2 In

WATTS
$119.50 - $119.50
$119.50
$119.50 - $119.50
$119.50

Relief Valve Repair Kit For Use With Watts Series 909 M1 1-1/4 to 2 in Includes (2) Piston O-rings Lubricant Relief Valve Assembly

$119.50 - $119.50
$119.50
$119.50 - $119.50
$119.50
Relief Valve Repair Kit Watts 909 8 In

Relief Valve Repair Kit Watts 909 8 In

WATTS
$485.97 - $485.97
$485.97
$485.97 - $485.97
$485.97

Relief Valve Repair Kit For Use With Watts Series 909 (8 in) Includes Adapter O-ring Bottom Plug O-ring Diaphragm Lubricant Piston O-ring Piston Se...

View full Details
$485.97 - $485.97
$485.97
$485.97 - $485.97
$485.97
Relief Valve Repair Kit Watts 909 4 In

Relief Valve Repair Kit Watts 909 4 In

WATTS
$372.09 - $372.09
$372.09
$372.09 - $372.09
$372.09

Relief Valve Repair Kit For Use With Watts Series 909 (4 in) Includes Adapter O-ring Bottom Plug O-ring Diaphragm Lubricant Piston O-ring Piston Se...

View full Details
$372.09 - $372.09
$372.09
$372.09 - $372.09
$372.09
Valve Repair Kit Watts 909 2-1/2 to 3 In

Valve Repair Kit Watts 909 2-1/2 to 3 In

WATTS
$294.81 - $294.81
$294.81
$294.81 - $294.81
$294.81

Relief Valve Repair Kit For Use With Watts Series 909 2-1/2 to 3 in Includes Adapter O-ring Bottom Plug O-ring Diaphragm Lubricant Piston O-ring P...

View full Details
$294.81 - $294.81
$294.81
$294.81 - $294.81
$294.81
Valve Repair Kit Watts 909 3/4 to 1In

Valve Repair Kit Watts 909 3/4 to 1In

WATTS
$85.86 - $85.86
$85.86
$85.86 - $85.86
$85.86

Relief Valve Repair Kit For Use With Watts Series 909 (3/4 to 1 in) Includes (2) Piston O-rings Lubricant Relief Valve Assembly Seat Seat O-ring

$85.86 - $85.86
$85.86
$85.86 - $85.86
$85.86
Relief Valve Repair Kit Watts 009 M2 2In

Relief Valve Repair Kit Watts 009 M2 2In

WATTS
$85.88 - $85.88
$85.88
$85.88 - $85.88
$85.88

Relief Valve Repair Kit For Use With Watts Series 009 M2 2 in Includes Cover O-ring RV spring Seat Seat O-ring Stem and Diaphragm Assembly Stem O-...

View full Details
$85.88 - $85.88
$85.88
$85.88 - $85.88
$85.88
Repair Kit Watts 009M2 1-1/4 to 1-1/2

Repair Kit Watts 009M2 1-1/4 to 1-1/2

WATTS
$83.72 - $83.72
$83.72
$83.72 - $83.72
$83.72

Relief Valve Repair Kit For Use With Watts Series 009 M2 1-1/4 to 1-1/2 in Includes Cover O-Ring Diaphram Seat O-Ring Sensing Passage O-Ring

$83.72 - $83.72
$83.72
$83.72 - $83.72
$83.72
Relief Valve Repair KIt Watts 009 M2 1In

Relief Valve Repair KIt Watts 009 M2 1In

WATTS
$68.71 - $68.71
$68.71
$68.71 - $68.71
$68.71

Relief Valve Repair Kit For Use With Watts Series 009 (M2 or 1 in) Includes Cover O-ring Seat Seat O-ring Stem O-ring

$68.71 - $68.71
$68.71
$68.71 - $68.71
$68.71
Valve Repair Kit Watts 009 1-1/4 to 2In

Valve Repair Kit Watts 009 1-1/4 to 2In

WATTS
$500.88 - $500.88
$500.88
$500.88 - $500.88
$500.88

Relief Valve Repair Kit For Use With Watts Series 009 1-1/4 to 2 in Includes Cover O-ring RV spring Seat Seat O-ring Stem and Diaphragm Assembly S...

View full Details
$500.88 - $500.88
$500.88
$500.88 - $500.88
$500.88
Valve Repair Kit Watts 009 3/4 to 1In

Valve Repair Kit Watts 009 3/4 to 1In

WATTS
$73.70 - $73.70
$73.70
$73.70 - $73.70
$73.70

Relief Valve Repair Kit For Use With Watts Series 009 3/4 to 1 in Includes Cover O-ring RV spring Seat Seat O-ring Stem and Diaphragm Assembly Ste...

View full Details
$73.70 - $73.70
$73.70
$73.70 - $73.70
$73.70
Valve Repair Kit Watts 009 1/4 to 1/2 In

Valve Repair Kit Watts 009 1/4 to 1/2 In

WATTS
$62.62 - $62.62
$62.62
$62.62 - $62.62
$62.62

Relief Valve Repair Kit For Use With Watts Series 009 1/4 to 1/2 in Includes Cover O-ring RV spring Seat Seat O-ring Stem and Diaphragm Assembly S...

View full Details
$62.62 - $62.62
$62.62
$62.62 - $62.62
$62.62

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