Shop best backflow preventer

Sponsored
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$1,148.34
Watts Backflow Preventer: 009, Std Configuration, Bronze, 3/4 in Pipe Size, FNPT, 33F - 180F Model: 3/4 009M3-QT
Grainger
135
$1,148.34
Watts Backflow Preventer: 009, Std Configuration, Bronze, 3/4 in Pipe Size, FNPT, 33F - 180F Model: 3/4 009M3-QT
Grainger
$332.09
Watts Backflow Preventer: SD-2, 3/8 in Pipe Size, FNPT X FNPT, 2.5 Gpm Flow Rate, 3 in Overall Lg Model: 3/8 SD2-FN
Grainger
$332.09
Watts Backflow Preventer: SD-2, 3/8 in Pipe Size, FNPT X FNPT, 2.5 Gpm Flow Rate, 3 in Overall Lg Model: 3/8 SD2-FN
Grainger
$504.36
Wilkins Backflow Preventer: 950XLT, 1 in Pipe Size, FNPT X FNPT, 14 in Overall Lg, 180F, 950 Model: 1-950XLT
Grainger
$504.36
Wilkins Backflow Preventer: 950XLT, 1 in Pipe Size, FNPT X FNPT, 14 in Overall Lg, 180F, 950 Model: 1-950XLT
Grainger
$33.13
$44.40
Watts 0063193 BBFP-S, 3/4-Inch CXC Backflow Preventer
shedfriends
25% off
$33.13
$44.40
Watts 0063193 BBFP-S, 3/4-Inch CXC Backflow Preventer
shedfriends
$750.55
Jones Stephens B01004 4 No-Hub BACKWATER Valve - Black
Overstock.com
1
$750.55
Jones Stephens B01004 4 No-Hub BACKWATER Valve - Black
Overstock.com
$764.03
Apollo Reduced Pressure Zone Backflow Preventer: 4A, Std Configuration, Bronze, 1/2 in Pipe Size Model: 4ALF203A2F
Grainger
1
$764.03
Apollo Reduced Pressure Zone Backflow Preventer: 4A, Std Configuration, Bronze, 1/2 in Pipe Size Model: 4ALF203A2F
Grainger
$2,175.43
Watts Backflow Preventer: 009, Std Configuration, Bronze, 1 1/2 in Pipe Size, FNPT, 33F - 180F Model: 1 1/2 009M2-QT
Grainger
$2,175.43
Watts Backflow Preventer: 009, Std Configuration, Bronze, 1 1/2 in Pipe Size, FNPT, 33F - 180F Model: 1 1/2 009M2-QT
Grainger
$2.50
3/4 in. Schedule 40 PVC Inline Check Valve For Backflow Prevention NSF Socket-Type
247Garden
$2.50
3/4 in. Schedule 40 PVC Inline Check Valve For Backflow Prevention NSF Socket-Type
247Garden
$2,638.90
2" Lead Free Double Check Backflow Preventer
Backflow
Free shipping
$2,638.90
2" Lead Free Double Check Backflow Preventer
Backflow
$1,049.00
Zurn Wilkins 975XL 1" Reduced Pressure Principle Backflow Preventer, 175 PSI, 1-975XL
Global Industrial
1
$1,049.00
Zurn Wilkins 975XL 1" Reduced Pressure Principle Backflow Preventer, 175 PSI, 1-975XL
Global Industrial
$977.18
2" Backflow Preventer, Double Check, Lead-Free Bronze With Ball Valves And SAE Test Cocks APOLLO 4ALF108A2F | By Pipingnow.Com
Pipingnow.com
Free shipping
$977.18
2" Backflow Preventer, Double Check, Lead-Free Bronze With Ball Valves And SAE Test Cocks APOLLO 4ALF108A2F | By Pipingnow.Com
Pipingnow.com
$3.65
Proline Backflow Preventer-Vacuum Breaker
WhiteStyle
$3.65
Proline Backflow Preventer-Vacuum Breaker
WhiteStyle
$4,854.74
Backflow Preventer With Water Meter And Relief Valve
FireHoseDirect
$4,854.74
Backflow Preventer With Water Meter And Relief Valve
FireHoseDirect
$1,049.00
1" Double Check Valve Backflow Preventer (Grooved)
Backflow
Free shipping
$1,049.00
1" Double Check Valve Backflow Preventer (Grooved)
Backflow
$79.69
$119.54
Zurn 2 in. Double Check Backflow Preventer 2-350
Alloutindia Us
33% off
$79.69
$119.54
Zurn 2 in. Double Check Backflow Preventer 2-350
Alloutindia Us
$1,599.00
1 1/4" Reduced Pressure Zone Backflow Preventer
Backflow
Free shipping
$1,599.00
1 1/4" Reduced Pressure Zone Backflow Preventer
Backflow
$88.99
$118.36
Zurn 2 in. Double Check Backflow Preventer 2-350
Alternativasca Online One
24% off
$88.99
$118.36
Zurn 2 in. Double Check Backflow Preventer 2-350
Alternativasca Online One
$777.99
Wilkins Reduced Pressure Zone Backflow Preventer: 975XL, Std Configuration, Bronze, FNPT Model: 1-975XL
Grainger
454
$777.99
Wilkins Reduced Pressure Zone Backflow Preventer: 975XL, Std Configuration, Bronze, FNPT Model: 1-975XL
Grainger
$69.74
$126.80
T&S B-0970-FE Atmospheric Back Flow Preventer
WebstaurantStore
1
45% off
$69.74
$126.80
T&S B-0970-FE Atmospheric Back Flow Preventer
WebstaurantStore
$793.11
Apollo Reduced Pressure Zone Backflow Preventer: 4A, Std Configuration, Bronze, 3/4 in Pipe Size Model: 4ALF204A2F
Grainger
1
$793.11
Apollo Reduced Pressure Zone Backflow Preventer: 4A, Std Configuration, Bronze, 3/4 in Pipe Size Model: 4ALF204A2F
Grainger
$304.69
Watts Backflow Preventer: SD-2, 3/8 in Pipe Size, MNPT X MNPT, 2.5 Gpm Flow Rate, 3 in Overall Lg Model: 3/8 SD2-MN
Grainger
$304.69
Watts Backflow Preventer: SD-2, 3/8 in Pipe Size, MNPT X MNPT, 2.5 Gpm Flow Rate, 3 in Overall Lg Model: 3/8 SD2-MN
Grainger
$3.65
Proline Backflow Preventer-Vacuum Breaker
DG Store
$3.65
Proline Backflow Preventer-Vacuum Breaker
DG Store
$928.92
Watts Reduced Pressure Zone Backflow Preventer: 009, With Strainer, Bronze, 1 in Pipe Size, NPT Model: 009-M1-QTS
Grainger
$928.92
Watts Reduced Pressure Zone Backflow Preventer: 009, With Strainer, Bronze, 1 in Pipe Size, NPT Model: 009-M1-QTS
Grainger
$338.53
4 in. Horizontal Stainless Steel Vent Kit With Backflow Preventer
Home Depot
7
Free shipping
$338.53
4 in. Horizontal Stainless Steel Vent Kit With Backflow Preventer
Home Depot
$1,559.46
Wilkins Reduced Pressure Zone Backflow Preventer: 975XL, Std Configuration, Bronze, FNPT Model: 112-975XL
Grainger
$1,559.46
Wilkins Reduced Pressure Zone Backflow Preventer: 975XL, Std Configuration, Bronze, FNPT Model: 112-975XL
Grainger
$2,459.00
Zurn Wilkins 375XL 2" Reduced Pressure Principle Backflow Preventer, 175 PSI, 2-375XL
Global Industrial
117
$2,459.00
Zurn Wilkins 375XL 2" Reduced Pressure Principle Backflow Preventer, 175 PSI, 2-375XL
Global Industrial
$618.58
Watts Backflow Preventer: LFN9, 1/2 in Pipe Size, FNPT X FNPT, 7 Gpm Flow Rate, 2.38 in Overall Lg Model: 1/2 LFN9-C
Grainger
$618.58
Watts Backflow Preventer: LFN9, 1/2 in Pipe Size, FNPT X FNPT, 7 Gpm Flow Rate, 2.38 in Overall Lg Model: 1/2 LFN9-C
Grainger
$86.35
$157.00
Krowne 21-109L Low Lead In-Line Vacuum Breaker, Prevents Back Siphonage/Backflow, Backflow Preventer
KaTom Restaurant Supply, Inc.
1
45% off
$86.35
$157.00
Krowne 21-109L Low Lead In-Line Vacuum Breaker, Prevents Back Siphonage/Backflow, Backflow Preventer
KaTom Restaurant Supply, Inc.
$159.12
Watts Backflow Preventer: LF7R, 3/4 in Pipe Size, True Union FNPT, 15.5 Gpm Flow Rate, Brass, EPDM Model: 3/4X3/4 LF7RU2-U2
Grainger
$159.12
Watts Backflow Preventer: LF7R, 3/4 in Pipe Size, True Union FNPT, 15.5 Gpm Flow Rate, Brass, EPDM Model: 3/4X3/4 LF7RU2-U2
Grainger
$791.27
Wilkins Backflow Preventer: 975XL, 3/4 in Pipe Size, MNPT, Bronze, For Water Media, Male, NPT Model: 34-975XLD
Grainger
$791.27
Wilkins Backflow Preventer: 975XL, 3/4 in Pipe Size, MNPT, Bronze, For Water Media, Male, NPT Model: 34-975XLD
Grainger
$809.00
$1,553.00
FEBCO T683042 LF850-QT-FZ 1 1/2" Double Check Valve Backflow Preventer Assembly
WebstaurantStore
47% off
$809.00
$1,553.00
FEBCO T683042 LF850-QT-FZ 1 1/2" Double Check Valve Backflow Preventer Assembly
WebstaurantStore
$383.34
Groen 146392 Backflow Preventer - Watts - Actuators
Parts Town
$383.34
Groen 146392 Backflow Preventer - Watts - Actuators
Parts Town
$1,834.45
1" Reduced Pressure Zone Backflow Assembly (Grooved)
Backflow
Free shipping
$1,834.45
1" Reduced Pressure Zone Backflow Assembly (Grooved)
Backflow
$1,800.00
Hydrant Backflow Preventer, 2" Npt
Petersen Products
$1,800.00
Hydrant Backflow Preventer, 2" Npt
Petersen Products
$43.89
$84.60
T&S B-0972 Atmospheric Back Flow Preventer, 3/4" Garden Hose Thread, Chrome
KaTom Restaurant Supply, Inc.
1
48% off
$43.89
$84.60
T&S B-0972 Atmospheric Back Flow Preventer, 3/4" Garden Hose Thread, Chrome
KaTom Restaurant Supply, Inc.
$139.51
Watts Dual Check W Atmospheric Vent: 9D, 3/4 in Pipe Size, FNPT X FNPT, 18.7 Gpm Flow Rate, Brass Model: 9D-M2-3/4"
Grainger
$139.51
Watts Dual Check W Atmospheric Vent: 9D, 3/4 in Pipe Size, FNPT X FNPT, 18.7 Gpm Flow Rate, Brass Model: 9D-M2-3/4"
Grainger
Sponsored
Top 10 Best Watts Backflow Preventer of 2025
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Shop best backflow preventer

Sponsored
About our ads
$1,148.34
Watts Backflow Preventer: 009, Std Configuration, Bronze, 3/4 in Pipe Size, FNPT, 33F - 180F Model: 3/4 009M3-QT
Grainger
135
$1,148.34
Watts Backflow Preventer: 009, Std Configuration, Bronze, 3/4 in Pipe Size, FNPT, 33F - 180F Model: 3/4 009M3-QT
Grainger
$332.09
Watts Backflow Preventer: SD-2, 3/8 in Pipe Size, FNPT X FNPT, 2.5 Gpm Flow Rate, 3 in Overall Lg Model: 3/8 SD2-FN
Grainger
$332.09
Watts Backflow Preventer: SD-2, 3/8 in Pipe Size, FNPT X FNPT, 2.5 Gpm Flow Rate, 3 in Overall Lg Model: 3/8 SD2-FN
Grainger
$504.36
Wilkins Backflow Preventer: 950XLT, 1 in Pipe Size, FNPT X FNPT, 14 in Overall Lg, 180F, 950 Model: 1-950XLT
Grainger
$504.36
Wilkins Backflow Preventer: 950XLT, 1 in Pipe Size, FNPT X FNPT, 14 in Overall Lg, 180F, 950 Model: 1-950XLT
Grainger
$33.13
$44.40
Watts 0063193 BBFP-S, 3/4-Inch CXC Backflow Preventer
shedfriends
25% off
$33.13
$44.40
Watts 0063193 BBFP-S, 3/4-Inch CXC Backflow Preventer
shedfriends
$750.55
Jones Stephens B01004 4 No-Hub BACKWATER Valve - Black
Overstock.com
1
$750.55
Jones Stephens B01004 4 No-Hub BACKWATER Valve - Black
Overstock.com
$764.03
Apollo Reduced Pressure Zone Backflow Preventer: 4A, Std Configuration, Bronze, 1/2 in Pipe Size Model: 4ALF203A2F
Grainger
1
$764.03
Apollo Reduced Pressure Zone Backflow Preventer: 4A, Std Configuration, Bronze, 1/2 in Pipe Size Model: 4ALF203A2F
Grainger
$2,175.43
Watts Backflow Preventer: 009, Std Configuration, Bronze, 1 1/2 in Pipe Size, FNPT, 33F - 180F Model: 1 1/2 009M2-QT
Grainger
$2,175.43
Watts Backflow Preventer: 009, Std Configuration, Bronze, 1 1/2 in Pipe Size, FNPT, 33F - 180F Model: 1 1/2 009M2-QT
Grainger
$2.50
3/4 in. Schedule 40 PVC Inline Check Valve For Backflow Prevention NSF Socket-Type
247Garden
$2.50
3/4 in. Schedule 40 PVC Inline Check Valve For Backflow Prevention NSF Socket-Type
247Garden
$2,638.90
2" Lead Free Double Check Backflow Preventer
Backflow
Free shipping
$2,638.90
2" Lead Free Double Check Backflow Preventer
Backflow
$1,049.00
Zurn Wilkins 975XL 1" Reduced Pressure Principle Backflow Preventer, 175 PSI, 1-975XL
Global Industrial
1
$1,049.00
Zurn Wilkins 975XL 1" Reduced Pressure Principle Backflow Preventer, 175 PSI, 1-975XL
Global Industrial
$977.18
2" Backflow Preventer, Double Check, Lead-Free Bronze With Ball Valves And SAE Test Cocks APOLLO 4ALF108A2F | By Pipingnow.Com
Pipingnow.com
Free shipping
$977.18
2" Backflow Preventer, Double Check, Lead-Free Bronze With Ball Valves And SAE Test Cocks APOLLO 4ALF108A2F | By Pipingnow.Com
Pipingnow.com
$3.65
Proline Backflow Preventer-Vacuum Breaker
WhiteStyle
$3.65
Proline Backflow Preventer-Vacuum Breaker
WhiteStyle
$4,854.74
Backflow Preventer With Water Meter And Relief Valve
FireHoseDirect
$4,854.74
Backflow Preventer With Water Meter And Relief Valve
FireHoseDirect
$1,049.00
1" Double Check Valve Backflow Preventer (Grooved)
Backflow
Free shipping
$1,049.00
1" Double Check Valve Backflow Preventer (Grooved)
Backflow
$79.69
$119.54
Zurn 2 in. Double Check Backflow Preventer 2-350
Alloutindia Us
33% off
$79.69
$119.54
Zurn 2 in. Double Check Backflow Preventer 2-350
Alloutindia Us
$1,599.00
1 1/4" Reduced Pressure Zone Backflow Preventer
Backflow
Free shipping
$1,599.00
1 1/4" Reduced Pressure Zone Backflow Preventer
Backflow
$88.99
$118.36
Zurn 2 in. Double Check Backflow Preventer 2-350
Alternativasca Online One
24% off
$88.99
$118.36
Zurn 2 in. Double Check Backflow Preventer 2-350
Alternativasca Online One
$777.99
Wilkins Reduced Pressure Zone Backflow Preventer: 975XL, Std Configuration, Bronze, FNPT Model: 1-975XL
Grainger
454
$777.99
Wilkins Reduced Pressure Zone Backflow Preventer: 975XL, Std Configuration, Bronze, FNPT Model: 1-975XL
Grainger