购买 backflow valve

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$5,091.39
Watts F111584 957-OSY-FS 2 1/2" Reduced Pressure Zone Assembly With OS&Y Shutoff Valves
WebstaurantStore
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Watts F111584 957-OSY-FS 2 1/2" Reduced Pressure Zone Assembly With OS&Y Shutoff Valves
WebstaurantStore
$4,222.90
Watts F111602 957-NRS-FS 2 1/2" Reduced Pressure Zone Assembly With NRS Shutoff Valves
WebstaurantStore
$4,222.90
Watts F111602 957-NRS-FS 2 1/2" Reduced Pressure Zone Assembly With NRS Shutoff Valves
WebstaurantStore
$529.51
$843.99
Zurn Wilkins 1-375XL 1" 375XL Reduced Pressure Principle Backflow Preventer
Amazon.com
140
Free shipping
折扣 37%
$529.51
$843.99
Zurn Wilkins 1-375XL 1" 375XL Reduced Pressure Principle Backflow Preventer
Amazon.com
140
$2,107.99
Zurn Elkay 2-975XL2 2" Reduced Pressure Principle Backflow Assembly - 175 PSI
WebstaurantStore
500
$2,107.99
Zurn Elkay 2-975XL2 2" Reduced Pressure Principle Backflow Assembly - 175 PSI
WebstaurantStore
500
$1,025.99
Zurn Wilkins 34-975XL2 3/4" 975XL2 Reduced Pressure Principle Backflow Preventer
Amazon.com
497
Free shipping
$1,025.99
Zurn Wilkins 34-975XL2 3/4" 975XL2 Reduced Pressure Principle Backflow Preventer
Amazon.com
497
$631.04
Zurn Wilkins 1-975XL 1" 975XL Reduced Pressure Principle Backflow Preventer
Amazon.com
494
Free shipping
$631.04
Zurn Wilkins 1-975XL 1" 975XL Reduced Pressure Principle Backflow Preventer
Amazon.com
494
$205.55
$245.01
Zurn Wilkins 1-350XL 1" 350XL Double Check Backflow Preventer
Amazon.com
123
Free shipping
折扣 16%
$205.55
$245.01
Zurn Wilkins 1-350XL 1" 350XL Double Check Backflow Preventer
Amazon.com
123
$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
$1,401.37
Zurn Wilkins 2-375XL 2" 375XL Reduced Pressure Principle Backflow Preventer
Amazon.com
5
Free shipping
$1,401.37
Zurn Wilkins 2-375XL 2" 375XL Reduced Pressure Principle Backflow Preventer
Amazon.com
5
$271.23
Watts 0386463 B911T-M3 1/2" Union FNPT X FNPT Combination Fill Valve And Backflow Preventer
WebstaurantStore
20
$271.23
Watts 0386463 B911T-M3 1/2" Union FNPT X FNPT Combination Fill Valve And Backflow Preventer
WebstaurantStore
20
$1,800.00
Hydrant Backflow Preventer, 2" Npt
Petersen Products
$1,800.00
Hydrant Backflow Preventer, 2" Npt
Petersen Products
$467.07
LF009M3-QT-FS 3/4
Amazon.com
Free shipping
$467.07
LF009M3-QT-FS 3/4
Amazon.com
Free shipping
$162.39
Watts LF288A 3/8" Lead-Free Brass Anti-Siphon Vacuum Breaker Backflow Preventer, Female NPT Inlet And Outlet, Silicone Disc Seat, Chrome Hood,
Amazon.com
43
Free shipping
$162.39
Watts LF288A 3/8" Lead-Free Brass Anti-Siphon Vacuum Breaker Backflow Preventer, Female NPT Inlet And Outlet, Silicone Disc Seat, Chrome Hood,
Amazon.com
43
$1,239.00
1" Lead Free Double Check Backflow Preventer
Backflow
Free shipping
$1,239.00
1" Lead Free Double Check Backflow Preventer
Backflow
Free shipping
$826.35
Watts 1 1/2" Female Reduced Pressure Zone Assembly, 0391006-LF009M2-QT
Amazon.com
5
Free shipping
$826.35
Watts 1 1/2" Female Reduced Pressure Zone Assembly, 0391006-LF009M2-QT
Amazon.com
5
$1,084.99
Zurn Elkay 1-975xl2ft 1" Reduced Pressure Principle Backflow Preventer With Integral Male 45 Degree Flare SAE Test Fitting
WebstaurantStore
$1,084.99
Zurn Elkay 1-975xl2ft 1" Reduced Pressure Principle Backflow Preventer With Integral Male 45 Degree Flare SAE Test Fitting
WebstaurantStore
$1,025.99
Zurn Elkay 34-975XL2 3/4" Reduced Pressure Principle Backflow Assembly - 175 PSI
WebstaurantStore
497
$1,025.99
Zurn Elkay 34-975XL2 3/4" Reduced Pressure Principle Backflow Assembly - 175 PSI
WebstaurantStore
497
$1,229.00
1" Reduced Pressure Zone Backflow Preventer
Backflow
Free shipping
$1,229.00
1" Reduced Pressure Zone Backflow Preventer
Backflow
Free shipping
$20.72
$41.95
Lead Free Brass Backflow Ball Valve With Test Port 3/4 in. FPT | BBVB-075T
Sprinkler Warehouse
折扣 50%
$20.72
$41.95
Lead Free Brass Backflow Ball Valve With Test Port 3/4 in. FPT | BBVB-075T
Sprinkler Warehouse
$34.95
$82.95
Lead Free Brass Backflow Ball Valve With Test Port 1 in. FPT | BBVB-100T
Sprinkler Warehouse
折扣 57%
$34.95
$82.95
Lead Free Brass Backflow Ball Valve With Test Port 1 in. FPT | BBVB-100T
Sprinkler Warehouse
$26.95
$41.95
Lead Free Brass Backflow Ball Valve 3/4 in. FPT | BBVB-075
Sprinkler Warehouse
折扣 35%
$26.95
$41.95
Lead Free Brass Backflow Ball Valve 3/4 in. FPT | BBVB-075
Sprinkler Warehouse
$66.94
Honeywell BP900, BACKFLOW PREVENTER. 1/2" NPT. 175 PSI MAX. 250F TEMP. MAX. WITH INTERMEDIATE ATMOSPHERIC VENT. HEATING SYSTEMS
Oswald Supply Co
$66.94
Honeywell BP900, BACKFLOW PREVENTER. 1/2" NPT. 175 PSI MAX. 250F TEMP. MAX. WITH INTERMEDIATE ATMOSPHERIC VENT. HEATING SYSTEMS
Oswald Supply Co
$326.46
Caleffi 574050A 3/4" Threaded 574 Brass RPZ Backflow Preventer (Low Lead) | Supplyhouse.Com
SupplyHouse.com
$326.46
Caleffi 574050A 3/4" Threaded 574 Brass RPZ Backflow Preventer (Low Lead) | Supplyhouse.Com
SupplyHouse.com
$142.74
Watts 0063190 BBFP, 1/2" IPS Backflow Preventer | Supplyhouse.Com
SupplyHouse.com
43
$142.74
Watts 0063190 BBFP, 1/2" IPS Backflow Preventer | Supplyhouse.Com
SupplyHouse.com
43
$510.71
Watts 1 in. D X 1 in. D FNPT X FNPT Brass Backflow Preventer Double Check Valve
Ace Hardware
$510.71
Watts 1 in. D X 1 in. D FNPT X FNPT Brass Backflow Preventer Double Check Valve
Ace Hardware
$45.59
Hydroland Brass Check Valve Backflow Preventer Check Valve Backflow Valve For Heating Water (3/4 Inch)
ibspot
$45.59
Hydroland Brass Check Valve Backflow Preventer Check Valve Backflow Valve For Heating Water (3/4 Inch)
ibspot
$1,602.76
Dixon Powhatan Backflow Preventer - BFP200
John M. Ellsworth Co., Inc.
$1,602.76
Dixon Powhatan Backflow Preventer - BFP200
John M. Ellsworth Co., Inc.
$6,118.01
Watts F122767 2" LF909M1-QT-S-FS Reduced Pressure Zone Backflow Preventer Assembly, 1/4 Turn Shutoff Valves, Backflow Flood Sensor
SupplyHouse.com
$6,118.01
Watts F122767 2" LF909M1-QT-S-FS Reduced Pressure Zone Backflow Preventer Assembly, 1/4 Turn Shutoff Valves, Backflow Flood Sensor
SupplyHouse.com
$122.49
First Plast Nrc50g Backflow Valve PVC To Gluing, Grey, Diameter 50 mm
ibspot
$122.49
First Plast Nrc50g Backflow Valve PVC To Gluing, Grey, Diameter 50 mm
ibspot
$102.00
Watts 0792002 Backflow Preventer - 1/8" - Valves Solenoids & Fittings
Parts Town
$102.00
Watts 0792002 Backflow Preventer - 1/8" - Valves Solenoids & Fittings
Parts Town
$936.99
Zurn - 1-975XL3 - 1" RPZ Backflow Preventer (Lead Free)
Cheap Sprinklers
2
$936.99
Zurn - 1-975XL3 - 1" RPZ Backflow Preventer (Lead Free)
Cheap Sprinklers
2
$107.53
LEGEND VALVE 1 Thread 150 Psi WOG Rating Brass Dual Check Backflow Preventer Valve 115-105NL
DkHardware.com
$107.53
LEGEND VALVE 1 Thread 150 Psi WOG Rating Brass Dual Check Backflow Preventer Valve 115-105NL
DkHardware.com
$57.49
T&S Atmospheric Backflow Preventer - Chrome, 3/8" IPS, B-0970-FE
Katom.com
2
$57.49
T&S Atmospheric Backflow Preventer - Chrome, 3/8" IPS, B-0970-FE
Katom.com
2
$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
$1,798.93
Zurn Wilkins 975XL2 2 in. Cast Bronze FNPT 175 Psi Backflow Preventer
Pollardwater
Free shipping
$1,798.93
Zurn Wilkins 975XL2 2 in. Cast Bronze FNPT 175 Psi Backflow Preventer
Pollardwater
Free shipping
$162.18
Conbraco 3/4 Thread 175 Psi WOG Rating Bronze Dual Check Backflow Preventer Valve 4ALF4A44AM
DkHardware.com
$162.18
Conbraco 3/4 Thread 175 Psi WOG Rating Bronze Dual Check Backflow Preventer Valve 4ALF4A44AM
DkHardware.com
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How Backwater Valves work, Basic Principles
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LF009M3-QT-FS 3/4
Amazon.com
Free shipping
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LF009M3-QT-FS 3/4
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Watts LF288A 3/8" Lead-Free Brass Anti-Siphon Vacuum Breaker Backflow Preventer, Female NPT Inlet And Outlet, Silicone Disc Seat, Chrome Hood,
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Watts LF288A 3/8" Lead-Free Brass Anti-Siphon Vacuum Breaker Backflow Preventer, Female NPT Inlet And Outlet, Silicone Disc Seat, Chrome Hood,
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1" Lead Free Double Check Backflow Preventer
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Watts 1 1/2" Female Reduced Pressure Zone Assembly, 0391006-LF009M2-QT
Amazon.com
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Watts 1 1/2" Female Reduced Pressure Zone Assembly, 0391006-LF009M2-QT
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$1,084.99
Zurn Elkay 1-975xl2ft 1" Reduced Pressure Principle Backflow Preventer With Integral Male 45 Degree Flare SAE Test Fitting
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Zurn Elkay 1-975xl2ft 1" Reduced Pressure Principle Backflow Preventer With Integral Male 45 Degree Flare SAE Test Fitting
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$1,025.99
Zurn Elkay 34-975XL2 3/4" Reduced Pressure Principle Backflow Assembly - 175 PSI
WebstaurantStore
497
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Zurn Elkay 34-975XL2 3/4" Reduced Pressure Principle Backflow Assembly - 175 PSI
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1" Reduced Pressure Zone Backflow Preventer
Backflow
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1" Reduced Pressure Zone Backflow Preventer
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Lead Free Brass Backflow Ball Valve With Test Port 3/4 in. FPT | BBVB-075T
Sprinkler Warehouse
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Lead Free Brass Backflow Ball Valve With Test Port 3/4 in. FPT | BBVB-075T
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Lead Free Brass Backflow Ball Valve With Test Port 1 in. FPT | BBVB-100T
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Lead Free Brass Backflow Ball Valve 3/4 in. FPT | BBVB-075
Sprinkler Warehouse
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Lead Free Brass Backflow Ball Valve 3/4 in. FPT | BBVB-075
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$66.94
Honeywell BP900, BACKFLOW PREVENTER. 1/2" NPT. 175 PSI MAX. 250F TEMP. MAX. WITH INTERMEDIATE ATMOSPHERIC VENT. HEATING SYSTEMS
Oswald Supply Co
$66.94
Honeywell BP900, BACKFLOW PREVENTER. 1/2" NPT. 175 PSI MAX. 250F TEMP. MAX. WITH INTERMEDIATE ATMOSPHERIC VENT. HEATING SYSTEMS
Oswald Supply Co
$326.46
Caleffi 574050A 3/4" Threaded 574 Brass RPZ Backflow Preventer (Low Lead) | Supplyhouse.Com
SupplyHouse.com
$326.46
Caleffi 574050A 3/4" Threaded 574 Brass RPZ Backflow Preventer (Low Lead) | Supplyhouse.Com
SupplyHouse.com
$142.74
Watts 0063190 BBFP, 1/2" IPS Backflow Preventer | Supplyhouse.Com
SupplyHouse.com
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$142.74
Watts 0063190 BBFP, 1/2" IPS Backflow Preventer | Supplyhouse.Com
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Watts 1 in. D X 1 in. D FNPT X FNPT Brass Backflow Preventer Double Check Valve
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$510.71
Watts 1 in. D X 1 in. D FNPT X FNPT Brass Backflow Preventer Double Check Valve
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$45.59
Hydroland Brass Check Valve Backflow Preventer Check Valve Backflow Valve For Heating Water (3/4 Inch)
ibspot
$45.59
Hydroland Brass Check Valve Backflow Preventer Check Valve Backflow Valve For Heating Water (3/4 Inch)
ibspot
$1,602.76
Dixon Powhatan Backflow Preventer - BFP200
John M. Ellsworth Co., Inc.
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Dixon Powhatan Backflow Preventer - BFP200
John M. Ellsworth Co., Inc.
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Watts F122767 2" LF909M1-QT-S-FS Reduced Pressure Zone Backflow Preventer Assembly, 1/4 Turn Shutoff Valves, Backflow Flood Sensor
SupplyHouse.com
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Watts F122767 2" LF909M1-QT-S-FS Reduced Pressure Zone Backflow Preventer Assembly, 1/4 Turn Shutoff Valves, Backflow Flood Sensor
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ibspot
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购买 backflow valve

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$5,091.39
Watts F111584 957-OSY-FS 2 1/2" Reduced Pressure Zone Assembly With OS&Y Shutoff Valves
WebstaurantStore
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Watts F111584 957-OSY-FS 2 1/2" Reduced Pressure Zone Assembly With OS&Y Shutoff Valves
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Watts F111602 957-NRS-FS 2 1/2" Reduced Pressure Zone Assembly With NRS Shutoff Valves
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Zurn Wilkins 1-375XL 1" 375XL Reduced Pressure Principle Backflow Preventer
Amazon.com
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折扣 37%
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Zurn Elkay 2-975XL2 2" Reduced Pressure Principle Backflow Assembly - 175 PSI
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Zurn Wilkins 34-975XL2 3/4" 975XL2 Reduced Pressure Principle Backflow Preventer
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494
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Zurn Wilkins 1-975XL 1" 975XL Reduced Pressure Principle Backflow Preventer
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Zurn Wilkins 1-350XL 1" 350XL Double Check Backflow Preventer
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Febco 1115 850-QT Double Check Backflow Valve Quarter Turn Shutoff, 1-1/2"
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Zurn Wilkins 2-375XL 2" 375XL Reduced Pressure Principle Backflow Preventer
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Zurn Wilkins 2-375XL 2" 375XL Reduced Pressure Principle Backflow Preventer
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$271.23
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Amazon.com
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Amazon.com
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Free shipping
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Watts 1 1/2" Female Reduced Pressure Zone Assembly, 0391006-LF009M2-QT
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Zurn Elkay 1-975xl2ft 1" Reduced Pressure Principle Backflow Preventer With Integral Male 45 Degree Flare SAE Test Fitting
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1" Reduced Pressure Zone Backflow Preventer
Backflow
Free shipping
$1,229.00
1" Reduced Pressure Zone Backflow Preventer
Backflow
Free shipping