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Dual Checks

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21 products

Brass backflow preventer with 1/2" NPT threaded connections and black label band on center body.

Caleffi 573403A Backflow Preventer 1/2" NPT ASSE 1012

SKU #: CALE573403A   |   MPN #: 573403A
$92.79
$92.79 $0.00
MSRP: $115

Available in stock

Brass dual check backflow preventer valve with 3/4 inch female threaded connections on both ends.

Legend Valve 115-104NL Dual Check Backflow Preventer 3/4 Inch FNPT

SKU #: LEGT45734   |   MPN #: 115-104NL
$61.98
$61.98 $0.00
MSRP: $94.58

Available in stock

Watts SD-3 dual check valve with 3/8 inch connections, black plastic and metal construction with atmospheric port.

Watts 0061657 SD-3 Dual Check Valve 3/8 Inch Atmospheric Port

SKU #: WAT0061657   |   MPN #: 0061657
$495.48
$495.48 $0.00
MSRP: $967.50

Available in stock

Brass dual check vacuum breaker valve with 3/8 inch female threaded connections and metal compression fittings.

Watts LFN9 Dual Check Vacuum Breaker 3/8 Inch Lead Free

SKU #: WAT0792097   |   MPN #: 0792097
$288.37
$288.37 $0.00
MSRP: $539.50

Available in stock

Brass dual check valve with 3/8 inch copper connectors and threaded ports.

Watts LF7 Dual Check Valve 3/8 Inch Lead Free Copper Silicon

SKU #: WAT0792076   |   MPN #: 0792076
$247.37
$247.37 $0.00
MSRP: $483

Available in stock

Brass swing check valve with 1-1/4 inch barbed hose connection and male threaded port.

Legend Valve 105-106NL Swing Check Valve 1-1/4 Inch Brass - 1 Pack

SKU #: LEG114INHOBABR   |   MPN #: 312-006NL
$28.81
$28.81 $0.00
MSRP: $35.91

Available in stock

Chrome double check backflow preventer with textured grip sections and threaded connection ports.

Woodford 50HA-CH High-Flow Double Check Backflow Preventer Outdoor Chrome

SKU #: WOOD50HACH   |   MPN #: 50HA-CH
$43.36
$43.36 $0.00
MSRP: $43.36

Special Order. Expect 4-6 weeks for delivery, subject to change

Watts SD-3 dual check backflow preventer with metal and black plastic components and threaded connections.

Watts SD-3 Dual Check Backflow Preventer 3/8 Inch with Vent Wye Strainer

SKU #: WAT0061656   |   MPN #: 0061656
$495.48
$495.48 $0.00
MSRP: $967.50

Special Order. Expect 4-6 weeks for delivery, subject to change

Bronze double check backflow preventer with 3/4 inch connections, green quarter-turn ball valves on each side, and test ports

Watts Series 007 Double Check Backflow Preventer 3/4 Inch Bronze Quarter Turn

SKU #: WATT062020   |   MPN #: T062020
$568.02
$568.02 $0.00
MSRP: $731

Special Order. Expect 4-6 weeks for delivery, subject to change

Bronze double check backflow preventer with 1/2 inch quarter turn valves and test cocks.

Watts Series 007 Double Check Backflow Preventer 1/2 Inch Bronze Quarter Turn

SKU #: WATT062131   |   MPN #: T062131
$504.67
$504.67 $0.00
MSRP: $644.50

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass dual check backflow preventer with union connections and black label marking inlet and outlet ports.

Watts 0072204 Dual Check Backflow Preventer 3/4 Inch Union FNPT Lead Free

SKU #: WAT0072204   |   MPN #: 0072204
$101.84
$101.84 $0.00
MSRP: $199

Available in stock

Repair kit containing cream hexagonal cap, black threaded component, black rubber ring, and white cylindrical part with black

Watts 3/4" Double Check Valve Total Repair Kit, for 007M - 0887724

SKU #: WAT0887724   |   MPN #: 0887724
$95.78
$95.78 $0.00
MSRP: $120.50

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass double check backflow preventer with gray center body, green inlet and outlet connectors, and test cocks on top.

Wilkins Zurn Double Check Backflow Preventer - 2-350XL

SKU #: WIL2350   |   MPN #: 2-350XL
$1,442.99
$1,442.99 $0.00
MSRP: $2,692

Available in stock

Brass cylindrical backflow preventer with textured grip bands, threaded connections top and bottom, and white warning label.

Woodford 50HF-BR High-Flow Double Check Backflow Preventer Outdoor Brass

SKU #: WOOD50HFBR   |   MPN #: 50HF-BR
$38.97
$38.97 $0.00
MSRP: $38.97

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass backflow preventer with 3/4" NPT threaded connections, black Caleffi label band, and vent outlet.

Caleffi 573503A Backflow Preventer 3/4" NPT ASSE 1012

SKU #: CALE573503A   |   MPN #: 573503A
$99.19
$99.19 $0.00
MSRP: $121

Available in stock

Brass backflow preventer with 1/2" press connections and black certification label.

Caleffi 573406A Backflow Preventer 1/2" Press ASSE 1012

SKU #: CALE573406A   |   MPN #: 573406A
$113.74
$113.74 $0.00
MSRP: $141

Available in stock

Brass backflow preventer with 1/2 inch sweat connections and black label band.

Caleffi 573493A Backflow Preventer 1/2 Inch Sweat Brass

SKU #: CALE573493A   |   MPN #: 573493A
$93.75
$93.75 $0.00
MSRP: $113

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass backflow preventer with 1/2" sweat connections and black identification band.

Caleffi 573409A Backflow Preventer 1/2" Sweat ASSE 1012

SKU #: CALE573409A   |   MPN #: 573409A
$91.60
$91.60 $0.00
MSRP: $110

Special Order. Expect 4-6 weeks for delivery, subject to change

Watts 0061667 SD-3 Dual Check Valve 3/8 Inch Atmospheric Port

Watts 0061667 SD-3 Dual Check Valve 3/8 Inch Atmospheric Port

SKU #: WAT0061667   |   MPN #: 0061667
From $338.75
From $338.75 $0.00
MSRP: $925.50

Available in stock

Watts 88006832 LF9D-M2 Dual Check Valve 3/4 Inch Atmospheric Vent

Watts 88006832 LF9D-M2 Dual Check Valve 3/4 Inch Atmospheric Vent

SKU #: WAT88006832   |   MPN #: 88006832
From $89.80
From $89.80 $0.00
MSRP: $387.50

Available in stock

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