Backflow Preventers from Plumbing World

Backflow Preventers

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Vacuum breakers and other backflow prevention systems are designed to stop gray/dirty water from potentially siphoning back into the water supply and contaminating the fresh water.

Double Check Valve Backflow Preventer
007-QT
Model 1/2" 3/4" 1" 1-1/4" 1-1/2" 2"
#007-QT bronze body
w/ ball valves $119.12 $127.53 $139.31 $269.65 $273.25 $298.16

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Reduced Pressure Zone Backflow Preventer
009QT
Model 1/2" 3/4" 1" 1-1/4" 1-1/2" 2"
#009-QT bronze body
w/ ball valves $164.17 $199.13 $214.02 $349.85 $379.88 $397.28

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Pressure Vacuum Breaker
Image/Model Description Size Price & Quantity

#800M4QT w/ ball valves Anti-syphon pressure vacuum breaker
Bronze body

Silicon rubber check valve disc

Plastic check valve seat

Stainless steel springs

Lightweight plastic disc float
1/2" $103.63
3/4" $109.61
1" $119.73
1-1/4" $265.12
1-1/2" $296.16
2" $335.18

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need any pipe thread sealing tape?

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Double Check Backflow Preventer
Image/Model Description Size Price & Quantity
007
#007 Iron body with NRS resilient seated valves 2-1/2" $1123.95
3" $1129.15
Iron body with OSY resilient seated valves 2-1/2" $1252.75
3" $1420.20

Image/Model Description Size Price & Quantity
709
#709 Iron body with OSY resilient seated valves 4" $1809.25
6" $2745.94
8" $5348.25
10" $7127.91
Iron body with NRS resilient seated valves 4" $1618.97
6" $2543.92
8" $6826.44
10" $7256.34

Image/Model Description Size Price & Quantity
Backflow preventer 774
#774 Stainless steel body with OSY resilient seated valves 2-1/2" $1148.96
3" $1297.10
4" $1505.69
6" $2494.97
8" $4482.91
10" $5637.24
Stainless steel body with NRS resilient seated valves 2-1/2" $1541.87
3" $1048.43
4" $1541.87
6" $2426.30
8" $4385.77
10" $5366.73

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Reduced Pressure Zone Backflow Preventer
Image/Model Description Size Price & Quantity
009
#009 Iron body with NRS resilient seated valves 2-1/2" $1226.78
3" $1289.31
Iron body with OSY resilient seated valves 2-1/2" $1306.78
3" $1440.25

Image/Model Description Size Price & Quantity
909
#909 Iron body with OSY resilient seated valves 2-1/2" $1645.86
3" $1917.22
4" $2024.74
6" $3616.43
8" $6356.01
10" $8604.19
Iron body with NRS resilient seated valves 2-1/2" $1935.24
3" $1739.52
4" $1935.24
6" $3178.96
8" $5876.11
10" $7963.57

Image/Model Description Size Price & Quantity
994
#994 Stainless steel body with NRS resilient seated valves 4" $1772.32
6" $2856.68
Stainless steel body with OSY resilient seated valves 4" $1939.30
6" $3726.49

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Double Check Detector Assembly Backflow Preventer
Image/Model Description Size Price & Quantity
007
#007 DCDA Iron body with OSY resilient seated valves 2-1/2" $1511.76
3" $1642.72

Image/Model Description Size Price & Quantity
709
#709 DCDA Iron body with OSY resilient seated valves 3" $1905.81
4" $2221.11
6" $3064.60
8" $5491.47
10" $7815.59

Image/Model Description Size Price & Quantity
774
#774 DCDA Stainless steel body with OSY resilient seated valves 2-1/2" $1542.41
3" $1682.72
4" $2104.84
6" $3069.26
8" $5323.18
10" $6580.82

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Reduced Pressure Detector Assembly Backflow Preventer
Image/Model Description Size Price & Quantity
909
#909 RPDA Iron body with OSY resilient seated valves 2-1/2" $2030.50
3" $2286.29
4" $2463.71
6" $4046.35
8" $7168.14
10" $9158.72

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PTFE Thread sealing tape:
PFTE thread sealing tape
1/2" x 260" = $0.38

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Brass Vacuum Breaker

Brass vacuum breaker for hose bibbs = $3.49

Order 12 or more brass vacuum breaker hose bibbs for additional savings.
Order 100 or more brass vacuum breaker hose bibbs for even greater savings.

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to standard check valves

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Double Check Valve Backflow Preventer

Model	1/2"	3/4"	1"	1-1/4"	1-1/2"	2"
#007-QT bronze body w/ ball valves	$119.12	$127.53	$139.31	$269.65	$273.25	$298.16

Pressure Vacuum Breaker
Image/Model	Description	Size	Price & Quantity
#800M4QT w/ ball valves	Anti-syphon pressure vacuum breaker Bronze body Silicon rubber check valve disc Plastic check valve seat Stainless steel springs Lightweight plastic disc float	1/2"	$103.63
		3/4"	$109.61
		1"	$119.73
		1-1/4"	$265.12
		1-1/2"	$296.16
		2"	$335.18

Double Check Backflow Preventer
Image/Model	Description	Size	Price & Quantity
#007	Iron body with NRS resilient seated valves	2-1/2"	$1123.95
	Iron body with NRS resilient seated valves	3"	$1129.15
	Iron body with OSY resilient seated valves	2-1/2"	$1252.75
	Iron body with OSY resilient seated valves	3"	$1420.20