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Backflow Preventers(112)
Uses item details. Price when purchased online
Backflow Preventer Cover Insulated Faucet Cover Outdoor Pressure Vacuum Cover Winter Water Well Pump Covers Protects from Snow Sun $8.99

Sponsored
$899
current price $8.99Backflow Preventer Cover Insulated Faucet Cover Outdoor Pressure Vacuum Cover Winter Water Well Pump Covers Protects from Snow Sun
74.9 out of 5 Stars. 7 reviews
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Road & Home 1/2 in. Backflow Preventer, Brass $6.75

$675
current price $6.75Road & Home 1/2 in. Backflow Preventer, Brass
15 out of 5 Stars. 1 reviews
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Apollo Valves Reduced Pressure Zone Backflow Preventer 4ALF205A2F $559.96 $559.96/1

$55996
current price $559.96$559.96/1
Apollo Valves Reduced Pressure Zone Backflow Preventer 4ALF205A2F
58ABP .75 in. Backflow Preventer $23.30

$2330
current price $23.3058ABP .75 in. Backflow Preventer
13 out of 5 Stars. 1 reviews
Groen 146392 Backflow Preventer $263.55

$26355
current price $263.55Groen 146392 Backflow Preventer
Woodford 37HD2-BR Backflow Preventer $124.88

$12488
current price $124.88Woodford 37HD2-BR Backflow Preventer
Dual Check Backflow Preventer,3/8 in 4C10202A $132.68

$13268
current price $132.68Dual Check Backflow Preventer,3/8 in 4C10202A
Watts Dual Check Low Lead Backflow Preventer - Single Pack $101.84

$10184
current price $101.84Watts Dual Check Low Lead Backflow Preventer - Single Pack
Honeywell BP900 Backflow Preventer with Atmospheric Vent $77.71

$7771
current price $77.71Honeywell BP900 Backflow Preventer with Atmospheric Vent
Apollo Valves Reduced Pressure Zone Backflow Preventer 4ALF203A2F $496.24

$49624
current price $496.24Apollo Valves Reduced Pressure Zone Backflow Preventer 4ALF203A2F
Guardian Equipment Backflow Preventer,Brass L108 $136.96

$13696
current price $136.96Guardian Equipment Backflow Preventer,Brass L108
3/4 in. Bronze Double Check Valve Backflow Preventer Assembly Quarter Turn Shutoff with Freeze Sensor $249.99

$24999
current price $249.993/4 in. Bronze Double Check Valve Backflow Preventer Assembly Quarter Turn Shutoff with Freeze Sensor
Watts 0061888 3/4 in. FIPS Backflow Preventer Brass

Watts 0061888 3/4 in. FIPS Backflow Preventer Brass
Watts Regulator 9D Backflow Preventer - 1/2" NPT

Watts Regulator 9D Backflow Preventer - 1/2" NPT
Watts 072204 Series LF7RU2-2 Dual Check Valve Backflow Preventer - 3/4" $101.84

$10184
current price $101.84Watts 072204 Series LF7RU2-2 Dual Check Valve Backflow Preventer - 3/4"
Caleffi 574050A Backflow Preventer 3/4" NPT ASSE 1013 $403.80

$40380
current price $403.80Caleffi 574050A Backflow Preventer 3/4" NPT ASSE 1013
Aqua Pro 20809 Backflow Preventer - 1/2" MPT x FPT $22.99

$2299
current price $22.99Aqua Pro 20809 Backflow Preventer - 1/2" MPT x FPT
Woodford 37HF-BR Backflow Preventer $91.99

$9199
current price $91.99Woodford 37HF-BR Backflow Preventer
Apollo Valves Reduced Pressure Zone Backflow Preventer 4ALF206T2F $1,033.42

$1,03342
current price $1,033.42Apollo Valves Reduced Pressure Zone Backflow Preventer 4ALF206T2F
B&K Low Lead Backflow Preventer Vacuum Breaker - Pack of 2 Indoor & Outdoor Use, NEC-Compliant $28.70

$2870
current price $28.70B&K Low Lead Backflow Preventer Vacuum Breaker - Pack of 2 Indoor & Outdoor Use, NEC-Compliant
3/4-1" 975XL & 975XL2 Reduced Pressure Backflow Preventer w/ Springs $25.34

$2534
current price $25.343/4-1" 975XL & 975XL2 Reduced Pressure Backflow Preventer w/ Springs
Watts Series LF009 2 In Lead Free Reduced Pressure Zone Backflow Preventer Assembly $1,284.20

$1,28420
current price $1,284.20Watts Series LF009 2 In Lead Free Reduced Pressure Zone Backflow Preventer Assembly
Caleffi 573406A Backflow Preventer 1/2" Press ASSE 1012 $116.59

$11659
current price $116.59Caleffi 573406A Backflow Preventer 1/2" Press ASSE 1012
Mavrik Back-Flow Preventor 3/8" $317.21

$31721
current price $317.21Mavrik Back-Flow Preventor 3/8"
Watts Dual Check Low Lead Backflow Preventer - Single Pack $111.59

$11159
current price $111.59Watts Dual Check Low Lead Backflow Preventer - Single Pack
Watts Water Technologies Watts Dual Check Low Lead Backflow Preventer $101.84

$10184
current price $101.84Watts Water Technologies Watts Dual Check Low Lead Backflow Preventer
Watts Dual Check Low Lead Backflow Preventer - Pack of 4 $407.36

$40736
current price $407.36Watts Dual Check Low Lead Backflow Preventer - Pack of 4
Uxcell Sewer Backflow Preventer, Anti-Odor Core for Horizontal Tube in Sewage Tanks 50mm/2inch 1 From $12.49

2 options
Available in additional 2 optionsFrom$1249
Uxcell Sewer Backflow Preventer, Anti-Odor Core for Horizontal Tube in Sewage Tanks 50mm/2inch 1
Rain Bird Anti-Siphon Backflow Preventer - Pack of 6 $52.27

$5227
current price $52.27Rain Bird Anti-Siphon Backflow Preventer - Pack of 6
Watts 0061663 Model SD-2 3/8 in. Stainless Steel FNPT 200 psi Backflow Preventer

Watts 0061663 Model SD-2 3/8 in. Stainless Steel FNPT 200 psi Backflow Preventer
3/4IN BACK-FLOW PREVENTER BULK (2010 COMP), LLC $30.25

$3025
current price $30.253/4IN BACK-FLOW PREVENTER BULK (2010 COMP), LLC
3/4-1" 975XL & 975XL2 Reduced Pressure Backflow Preventer w/ Springs $24.85

$2485
current price $24.853/4-1" 975XL & 975XL2 Reduced Pressure Backflow Preventer w/ Springs
Watts Dual Check Low Lead Backflow Preventer - Pack of 4 $446.36

$44636
current price $446.36Watts Dual Check Low Lead Backflow Preventer - Pack of 4
B&K Low Lead Backflow Preventer Vacuum Breaker - Pack of 12 $111.14

$11114
current price $111.14B&K Low Lead Backflow Preventer Vacuum Breaker - Pack of 12
Watts Dual Check Low Lead Backflow Preventer - Pack of 2 Residential Use, Standard Application $203.68

$20368
current price $203.68Watts Dual Check Low Lead Backflow Preventer - Pack of 2 Residential Use, Standard Application
0.5 x 0.5 in. Fresh Water Backflow Preventer $13.26

$1326
current price $13.260.5 x 0.5 in. Fresh Water Backflow Preventer
Rain Bird Anti-Siphon Backflow Preventer - Pack of 12 Residential Use, Standard Application $96.93

$9693
current price $96.93Rain Bird Anti-Siphon Backflow Preventer - Pack of 12 Residential Use, Standard Application
Backflow Preventer Pressure Vacuum Breaker Insulated Oxford Material Winter Application for Household Use $18.99

$1899
current price $18.99Backflow Preventer Pressure Vacuum Breaker Insulated Oxford Material Winter Application for Household Use
Clearance Guodhu Silent Sump Pump Check Valve, Spring-Loaded Flapper Backflow Preventer with Clear Body, Quiet Operation for Basement, Stainless Steel Clamps Fits Standard Pipe(A) From $19.14
From$1914
Guodhu Silent Sump Pump Check Valve, Spring-Loaded Flapper Backflow Preventer with Clear Body, Quiet Operation for Basement, Stainless Steel Clamps Fits Standard Pipe(A)
Caleffi 573503A Backflow Preventer 3/4" NPT ASSE 1012 $102.04 Was $125.00

Now$10204
current price Now $102.04, Was $125.00$125.00
Caleffi 573503A Backflow Preventer 3/4" NPT ASSE 1012
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