Backwater Valves

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3 and 4 Inch Backwater Valves in PVC or ABS

Oatey Backwater valves protect low areas or basements from water that can back-up, common use is to stop waste from street sewers. 4 Inch Backwater Valve by Oatey select PVC #43094 or ABS #43905. 3 Inch Backwater Valves by Oatey also available select PVC #43900 or ABS #43901. Also known as a check valve.

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Model List Price Your Price Quantity
3" PVC Backwater Valve
SKU: 43900
UPC: 038753439006
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$41.38 $35.17
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3" ABS Backwater Valve
SKU: 43901
UPC: 038753439013
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$43.56 $37.02
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4" PVC Backwater Valve
SKU: 43904
UPC: 038753-439044
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  • Buy 12 or more and get 5% off
  • Buy 48 or more and get 11% off
$43.54 $37.00
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4" ABS Backwater Valve
SKU: 43905
UPC: 038753439051
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$45.84 $38.96
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909M1 QT Reduced Pressure Zone RPZ Assembly

909M1 QT RPZ Assembly - Watts 909 Reduced Pressure Zone Assemblies prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure. It consists of a bronze body construction, bronze ball valve shutoffs, and bronze test cocks.

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Model List Price Your Price Quantity
1-1/4 Inch
SKU: 0385717
UPC: 098268202502
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$1,085.70 $868.56
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9D Backflow Preventer

Series 9D Dual Check Valves with Intermediate Atmospheric Vent, prevents the reverse flow of hot or cold polluted water from entering into the potable water supply. Select 9D-M3 1/2" FIP or 9D-M2 3/4" FIP. The Watts "9D" can be used under continuous pressure.

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Model List Price Your Price Quantity
9D-M3 1/2" FIP (0061935)
SKU: 9D12
UPC: 098268676815
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  • Buy 2 or more and get 5% off
  • Buy 6 or more and get 7.5% off
  • Buy 12 or more and get 10% off
$71.08 $39.79
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9D-M2 3/4" FIP, (0061888)
SKU: 9D34
UPC: 098268004281
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  • Buy 2 or more and get 5% off
  • Buy 6 or more and get 7.5% off
  • Buy 12 or more and get 10% off
$71.08 $39.79
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9D, Repair Kit for 1/2 & 3/4 Inch Back-flow Preventer

RK 9DM2 T. Repair Kit for 1/2" & 3/4" Series 9D Non-Testable Back-flow Preventer.

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Model List Price Your Price Quantity
Repair Kit for "9D" Back Flow Preventors 1/2 & 3/4 Inch
SKU: RK 9DM2 T
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$49.00 $33.99
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C-342 Cast Brass Backwater Valve

Precision machined cast brass

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Model List Price Your Price Quantity
2" Brass with O-Ring Seal
SKU: C-342OR
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$17.01 $11.91
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2" Brass with Spud Washer Seal
SKU: C-342SP
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$23.98 $16.79
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