购买 Backflow Valve Replacement

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$135.63
Febco 765 Series 1" Bronze Pressure Vacuum Breaker Backflow Preventer, Quarter Turn Shutoff, Union Connections, Freeze Sensor With Sentryplus Alert
Amazon.com
6
Free shipping
$135.63
Febco 765 Series 1" Bronze Pressure Vacuum Breaker Backflow Preventer, Quarter Turn Shutoff, Union Connections, Freeze Sensor With Sentryplus Alert
Amazon.com
6
$394.28
Watts 3/4" 009M3 Backflow Preventer Reduced Pressure Zone Assembly RPZ 3/4 009-QT 0063030 63030
Amazon.com
140
Free shipping
$394.28
Watts 3/4" 009M3 Backflow Preventer Reduced Pressure Zone Assembly RPZ 3/4 009-QT 0063030 63030
Amazon.com
140
$118.64
$136.50
Febco 765 Series 3/4" Bronze Pressure Vacuum Breaker Backflow Preventer, Quarter Turn Shutoff, NPT Connections, Freeze Sensor With Sentryplus Alert
Amazon.com
135
Free shipping
折扣 13%
$118.64
$136.50
Febco 765 Series 3/4" Bronze Pressure Vacuum Breaker Backflow Preventer, Quarter Turn Shutoff, NPT Connections, Freeze Sensor With Sentryplus Alert
Amazon.com
135
$1,401.37
Zurn Wilkins 2-375XL 2" 375XL Reduced Pressure Principle Backflow Preventer
Amazon.com
123
Free shipping
$1,401.37
Zurn Wilkins 2-375XL 2" 375XL Reduced Pressure Principle Backflow Preventer
Amazon.com
123
$39.99
1/2 Inch 9D-M3 Backflow Preventer Brass Dual Check Valve With Intermediate Atmospheric Vent,1/2 Inch,Female Union Inlet And Outlet,190T012,Replacement
Amazon.com
24
Free shipping
$39.99
1/2 Inch 9D-M3 Backflow Preventer Brass Dual Check Valve With Intermediate Atmospheric Vent,1/2 Inch,Female Union Inlet And Outlet,190T012,Replacement
Amazon.com
24
$1,025.99
Zurn Wilkins 34-975XL2 3/4" 975XL2 Reduced Pressure Principle Backflow Preventer
Amazon.com
513
Free shipping
$1,025.99
Zurn Wilkins 34-975XL2 3/4" 975XL2 Reduced Pressure Principle Backflow Preventer
Amazon.com
513
$651.95
Febco 1115 850-QT Double Check Backflow Valve Quarter Turn Shutoff, 1-1/2"
Amazon.com
1
Free shipping
$651.95
Febco 1115 850-QT Double Check Backflow Valve Quarter Turn Shutoff, 1-1/2"
Amazon.com
1
$259.85
$314.99
Watts LF007 Series 3/4" Lead-Free Copper Silicon Alloy Double Check Valve Backflow Preventer Assembly, Quarter Turn Shutoff, Single Top Entry, NPT
Amazon.com
17
Free shipping
折扣 17%
$259.85
$314.99
Watts LF007 Series 3/4" Lead-Free Copper Silicon Alloy Double Check Valve Backflow Preventer Assembly, Quarter Turn Shutoff, Single Top Entry, NPT
Amazon.com
17
$383.34
Groen 146392 Backflow Preventer - Watts - Actuators
Parts Town
$383.34
Groen 146392 Backflow Preventer - Watts - Actuators
Parts Town
$292.60
Zurn Wilkins 1-350 1" 350 Double Check Backflow Preventer
Amazon.com
131
Free shipping
$292.60
Zurn Wilkins 1-350 1" 350 Double Check Backflow Preventer
Amazon.com
131
$222.49
Watts 800M4FR Series 1" Bronze Freeze-Resistant Pressure Backflow Preventer Assembly, Quarter Turn Shutoff, Tee Handles, Freeze Sensor With Sentryplus
Amazon.com
22
Free shipping
$222.49
Watts 800M4FR Series 1" Bronze Freeze-Resistant Pressure Backflow Preventer Assembly, Quarter Turn Shutoff, Tee Handles, Freeze Sensor With Sentryplus
Amazon.com
22
$668.00
Duke 600187 Backflow Valve Replacement Kit - Tsc Series - Valves Solenoids & Fittings
Parts Town
$668.00
Duke 600187 Backflow Valve Replacement Kit - Tsc Series - Valves Solenoids & Fittings
Parts Town
$197.27
$213.89
Febco 765 Series 1" Bronze Pressure Vacuum Breaker Backflow Preventer, Quarter Turn Shutoff, Union Connections, Freeze Sensor With Sentryplus Alert
Amazon.com
8
Free shipping
$197.27
$213.89
Febco 765 Series 1" Bronze Pressure Vacuum Breaker Backflow Preventer, Quarter Turn Shutoff, Union Connections, Freeze Sensor With Sentryplus Alert
Amazon.com
8
$180.55
$238.61
Zurn Wilkins 1-350XL 1" 350XL Double Check Backflow Preventer
Amazon.com
123
Free shipping
折扣 24%
$180.55
$238.61
Zurn Wilkins 1-350XL 1" 350XL Double Check Backflow Preventer
Amazon.com
123
$579.19
$693.00
Febco 825Y Series 3/4" Bronze Reduced Pressure Zone Backflow Preventer Assembly, Quarter Turn Shutoff, NPT End Connections, Y Pattern, Flood Sensor
Amazon.com
69
Free shipping
折扣 16%
$579.19
$693.00
Febco 825Y Series 3/4" Bronze Reduced Pressure Zone Backflow Preventer Assembly, Quarter Turn Shutoff, NPT End Connections, Y Pattern, Flood Sensor
Amazon.com
69
$523.89
Bunn 46555.1000 Backflow Assembly With Check Valve - U3 - Valves Solenoids & Fittings
Parts Town
$523.89
Bunn 46555.1000 Backflow Assembly With Check Valve - U3 - Valves Solenoids & Fittings
Parts Town
$87.96
T&S Brass B-0970-FE Atmospheric Back-Flow Preventer, Chrome
Amazon.com
33
Free shipping
$87.96
T&S Brass B-0970-FE Atmospheric Back-Flow Preventer, Chrome
Amazon.com
33
$22.50
In-Line Check Valve No-Lead Brass Backflow Prevention, Lead-Free Brass Construction, Universal 1-1/4 Inch One-Way Female Pipe Thread,1.25'' FNPT ×
Amazon.com
$22.50
In-Line Check Valve No-Lead Brass Backflow Prevention, Lead-Free Brass Construction, Universal 1-1/4 Inch One-Way Female Pipe Thread,1.25'' FNPT ×
Amazon.com
$672.87
Zurn Wilkins 1-975XL 1" 975XL Reduced Pressure Principle Backflow Preventer
Amazon.com
390
Free shipping
$672.87
Zurn Wilkins 1-975XL 1" 975XL Reduced Pressure Principle Backflow Preventer
Amazon.com
390
$106.03
$150.57
Watts 9D Series 3/4" Brass Dual Check Valve Backflow Preventer, Union Female NPT Inlet X Female NPT Outlet, Intermediate Atmospheric Vent, Compact
Amazon.com
85
Free shipping
折扣 29%
$106.03
$150.57
Watts 9D Series 3/4" Brass Dual Check Valve Backflow Preventer, Union Female NPT Inlet X Female NPT Outlet, Intermediate Atmospheric Vent, Compact
Amazon.com
85
$916.87
Apollo Double Check Valve Backflow Assembly: 4A, 1 1/2 in Pipe Size, FNPT X FNPT, 18 in Overall Lg Model: 4A107A2F
Grainger
1
$916.87
Apollo Double Check Valve Backflow Assembly: 4A, 1 1/2 in Pipe Size, FNPT X FNPT, 18 in Overall Lg Model: 4A107A2F
Grainger
1
$828.99
Wilkins Reduced Pressure Zone Backflow Preventer: 975XL2, Std Configuration, Bronze, FNPT Model: 14-975XL2
Grainger
$828.99
Wilkins Reduced Pressure Zone Backflow Preventer: 975XL2, Std Configuration, Bronze, FNPT Model: 14-975XL2
Grainger
$365.92
Febco 1313 860 Quarter Turn Shutoff Reduced Pressure Zone Assembly, 1"
Amazon.com
32
Free shipping
$365.92
Febco 1313 860 Quarter Turn Shutoff Reduced Pressure Zone Assembly, 1"
Amazon.com
32
$327.11
Apollo Valves 35603BFTT 1/2" Union FNPT X FNPT Backflow And Fast Fill Pressure Regulator, 35603BFTT | Supplyhouse.Com
SupplyHouse.com
$327.11
Apollo Valves 35603BFTT 1/2" Union FNPT X FNPT Backflow And Fast Fill Pressure Regulator, 35603BFTT | Supplyhouse.Com
SupplyHouse.com
$23.99
3/4"-1" Complete Repair Kit Fits Replace For Zurn Wilkins 975XL And 975XL2 Replacementcomplete Backflow Repair Kit
Amazon.com
1
$23.99
3/4"-1" Complete Repair Kit Fits Replace For Zurn Wilkins 975XL And 975XL2 Replacementcomplete Backflow Repair Kit
Amazon.com
1
$1,287.48
Watts Backflow Preventer: 009, Std Configuration, Bronze, 1 in Pipe Size, FNPT, 33F - 180F Model: 1 009M2-QT
Grainger
4
$1,287.48
Watts Backflow Preventer: 009, Std Configuration, Bronze, 1 in Pipe Size, FNPT, 33F - 180F Model: 1 009M2-QT
Grainger
4
$37.95
Rainbird Plastic ASVF Series Electric Valve With Flow Control And Atmospheric Backflow Preventor, 3/4"/24 VAC
Amazon.com
104
Free shipping
$37.95
Rainbird Plastic ASVF Series Electric Valve With Flow Control And Atmospheric Backflow Preventor, 3/4"/24 VAC
Amazon.com
104
$274.81
3/4" A.R.I. RP-501 Nylon Composite Reduced Pressure Backflow Preventer
Amazon.com
5
Free shipping
$274.81
3/4" A.R.I. RP-501 Nylon Composite Reduced Pressure Backflow Preventer
Amazon.com
5
$67.99
Complete Replacement Repair Kit For 1-1/4" To 2" Models 975XL And 975XL2 Backflow Preventer, Includes Poppets, Springs, Seats And More
Amazon.com
105
Free shipping
$67.99
Complete Replacement Repair Kit For 1-1/4" To 2" Models 975XL And 975XL2 Backflow Preventer, Includes Poppets, Springs, Seats And More
Amazon.com
105
$614.83
Febco 765 Series 2" Bronze Pressure Vacuum Breaker Backflow Preventer, Quarter Turn Shutoff, NPT Connections, Spring-Loaded Check Valves, Max Pressure
Amazon.com
80
Free shipping
$614.83
Febco 765 Series 2" Bronze Pressure Vacuum Breaker Backflow Preventer, Quarter Turn Shutoff, NPT Connections, Spring-Loaded Check Valves, Max Pressure
Amazon.com
80
$34.96
3 Inch Pvc Backwater Valve,Sewer Check Back Flow Preventer Drain Backflow Preventer Valve,Prevent Sewage And Rainwater From Flowing Backflow
Amazon.com
40
$34.96
3 Inch Pvc Backwater Valve,Sewer Check Back Flow Preventer Drain Backflow Preventer Valve,Prevent Sewage And Rainwater From Flowing Backflow
Amazon.com
40
$118.66
Watts Backflow Preventer Repair Kit: Relief Valve Kit, 818DD4/818DD6, 1 909 QT/3/4"-1" 909QT, 909 Model: RK909RT3/4-1
Grainger
$118.66
Watts Backflow Preventer Repair Kit: Relief Valve Kit, 818DD4/818DD6, 1 909 QT/3/4"-1" 909QT, 909 Model: RK909RT3/4-1
Grainger
$132.88
Watts Backflow Preventer 3/4 in Water Pressure Reducing Valve, Npt Thread Union X Npt Female, Max Work 400 Psi, Adjust 25-75 Psi
Amazon.com
87
Free shipping
$132.88
Watts Backflow Preventer 3/4 in Water Pressure Reducing Valve, Npt Thread Union X Npt Female, Max Work 400 Psi, Adjust 25-75 Psi
Amazon.com
87
$315.47
Caleffi 574004A 1/2" Threaded 574 Brass RPZ Backflow Preventer (Low Lead) | Supplyhouse.Com
SupplyHouse.com
$315.47
Caleffi 574004A 1/2" Threaded 574 Brass RPZ Backflow Preventer (Low Lead) | Supplyhouse.Com
SupplyHouse.com
$272.00
Zurn 1-950XL 1" 950XL Double Check Backflow Assembly | Totalrestroom.Com
Total Restroom
$272.00
Zurn 1-950XL 1" 950XL Double Check Backflow Assembly | Totalrestroom.Com
Total Restroom
Backflow Testing: Everything You Need to Know — WaterSmart
Backflow Testing: Everything You Need to Know — WaterSmart
2021年1月23日
watersmartsystems.com
Backflow Replacement in Plumbing: Step-by-Step Guide
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Backflow Replacement in Plumbing: Step-by-Step Guide
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How Backwater Valves work, Basic Principles
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How Backwater Valves work, Basic Principles
已浏览 22.7万 次2019年12月19日
YouTubeFlood Ready
How to replace ball valve on sprinkler back flow preventer [ VINNY THE HANDYMAN ]
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YouTubeVinny the Handyman
FAST and EASY Backflow preventer repair. Ball Valve replacement.
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YouTubeFast Fix
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Sprinkler Backflow Preventer Leaking? (We Have A Fix)
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Plumbing Drain Backwater Valve
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购买 Backflow Valve Replacement

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$135.63
Febco 765 Series 1" Bronze Pressure Vacuum Breaker Backflow Preventer, Quarter Turn Shutoff, Union Connections, Freeze Sensor With Sentryplus Alert
Amazon.com
6
Free shipping
$135.63
Febco 765 Series 1" Bronze Pressure Vacuum Breaker Backflow Preventer, Quarter Turn Shutoff, Union Connections, Freeze Sensor With Sentryplus Alert
Amazon.com
6
$394.28
Watts 3/4" 009M3 Backflow Preventer Reduced Pressure Zone Assembly RPZ 3/4 009-QT 0063030 63030
Amazon.com
140
Free shipping
$394.28
Watts 3/4" 009M3 Backflow Preventer Reduced Pressure Zone Assembly RPZ 3/4 009-QT 0063030 63030
Amazon.com
140
$118.64
$136.50
Febco 765 Series 3/4" Bronze Pressure Vacuum Breaker Backflow Preventer, Quarter Turn Shutoff, NPT Connections, Freeze Sensor With Sentryplus Alert
Amazon.com
135
Free shipping
折扣 13%
$118.64
$136.50
Febco 765 Series 3/4" Bronze Pressure Vacuum Breaker Backflow Preventer, Quarter Turn Shutoff, NPT Connections, Freeze Sensor With Sentryplus Alert
Amazon.com
135
$1,401.37
Zurn Wilkins 2-375XL 2" 375XL Reduced Pressure Principle Backflow Preventer
Amazon.com
123
Free shipping
$1,401.37
Zurn Wilkins 2-375XL 2" 375XL Reduced Pressure Principle Backflow Preventer
Amazon.com
123
$39.99
1/2 Inch 9D-M3 Backflow Preventer Brass Dual Check Valve With Intermediate Atmospheric Vent,1/2 Inch,Female Union Inlet And Outlet,190T012,Replacement
Amazon.com
24
Free shipping
$39.99
1/2 Inch 9D-M3 Backflow Preventer Brass Dual Check Valve With Intermediate Atmospheric Vent,1/2 Inch,Female Union Inlet And Outlet,190T012,Replacement
Amazon.com
24
$1,025.99
Zurn Wilkins 34-975XL2 3/4" 975XL2 Reduced Pressure Principle Backflow Preventer
Amazon.com
513
Free shipping
$1,025.99
Zurn Wilkins 34-975XL2 3/4" 975XL2 Reduced Pressure Principle Backflow Preventer
Amazon.com
513
$651.95
Febco 1115 850-QT Double Check Backflow Valve Quarter Turn Shutoff, 1-1/2"
Amazon.com
1
Free shipping
$651.95
Febco 1115 850-QT Double Check Backflow Valve Quarter Turn Shutoff, 1-1/2"
Amazon.com
1
$259.85
$314.99
Watts LF007 Series 3/4" Lead-Free Copper Silicon Alloy Double Check Valve Backflow Preventer Assembly, Quarter Turn Shutoff, Single Top Entry, NPT
Amazon.com
17
Free shipping
折扣 17%
$259.85
$314.99
Watts LF007 Series 3/4" Lead-Free Copper Silicon Alloy Double Check Valve Backflow Preventer Assembly, Quarter Turn Shutoff, Single Top Entry, NPT
Amazon.com
17
$383.34
Groen 146392 Backflow Preventer - Watts - Actuators
Parts Town
$383.34
Groen 146392 Backflow Preventer - Watts - Actuators
Parts Town
$292.60
Zurn Wilkins 1-350 1" 350 Double Check Backflow Preventer
Amazon.com
131
Free shipping
$292.60
Zurn Wilkins 1-350 1" 350 Double Check Backflow Preventer
Amazon.com
131
$222.49
Watts 800M4FR Series 1" Bronze Freeze-Resistant Pressure Backflow Preventer Assembly, Quarter Turn Shutoff, Tee Handles, Freeze Sensor With Sentryplus
Amazon.com
22
Free shipping
$222.49
Watts 800M4FR Series 1" Bronze Freeze-Resistant Pressure Backflow Preventer Assembly, Quarter Turn Shutoff, Tee Handles, Freeze Sensor With Sentryplus
Amazon.com
22
$668.00
Duke 600187 Backflow Valve Replacement Kit - Tsc Series - Valves Solenoids & Fittings
Parts Town
$668.00
Duke 600187 Backflow Valve Replacement Kit - Tsc Series - Valves Solenoids & Fittings
Parts Town
$197.27
$213.89
Febco 765 Series 1" Bronze Pressure Vacuum Breaker Backflow Preventer, Quarter Turn Shutoff, Union Connections, Freeze Sensor With Sentryplus Alert
Amazon.com
8
Free shipping
$197.27
$213.89
Febco 765 Series 1" Bronze Pressure Vacuum Breaker Backflow Preventer, Quarter Turn Shutoff, Union Connections, Freeze Sensor With Sentryplus Alert
Amazon.com
8
$180.55
$238.61
Zurn Wilkins 1-350XL 1" 350XL Double Check Backflow Preventer
Amazon.com
123
Free shipping
折扣 24%
$180.55
$238.61
Zurn Wilkins 1-350XL 1" 350XL Double Check Backflow Preventer
Amazon.com
123
$579.19
$693.00
Febco 825Y Series 3/4" Bronze Reduced Pressure Zone Backflow Preventer Assembly, Quarter Turn Shutoff, NPT End Connections, Y Pattern, Flood Sensor
Amazon.com
69
Free shipping
折扣 16%
$579.19
$693.00
Febco 825Y Series 3/4" Bronze Reduced Pressure Zone Backflow Preventer Assembly, Quarter Turn Shutoff, NPT End Connections, Y Pattern, Flood Sensor
Amazon.com
69
$523.89
Bunn 46555.1000 Backflow Assembly With Check Valve - U3 - Valves Solenoids & Fittings
Parts Town
$523.89
Bunn 46555.1000 Backflow Assembly With Check Valve - U3 - Valves Solenoids & Fittings
Parts Town
$87.96
T&S Brass B-0970-FE Atmospheric Back-Flow Preventer, Chrome
Amazon.com
33
Free shipping
$87.96
T&S Brass B-0970-FE Atmospheric Back-Flow Preventer, Chrome
Amazon.com
33
$22.50
In-Line Check Valve No-Lead Brass Backflow Prevention, Lead-Free Brass Construction, Universal 1-1/4 Inch One-Way Female Pipe Thread,1.25'' FNPT ×
Amazon.com
$22.50
In-Line Check Valve No-Lead Brass Backflow Prevention, Lead-Free Brass Construction, Universal 1-1/4 Inch One-Way Female Pipe Thread,1.25'' FNPT ×
Amazon.com