The Day Savers – A National Tradesmen Day Contest
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Double Check Detector Assemblies

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Product Image of 6" Double Check Detector Backflow Preventer, GPM Meter, LF757DCDA-OSY-GPM (Lead Free)
6" Double Check Detector Backflow Preventer, GPM Meter, LF757DCDA-OSY-GPM (Lead Free)
SKU: 0122717
Watts
SKU: 0122717
Brand: Watts
$12,640.77 each
In Stock
Get 20 by Tue, Sep 8 - Fri, Sep 11
In Stock
Get 20 by Tue, Sep 8 - Fri, Sep 11
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Product Image of 4" Double Check Detector Backflow Preventer, GPM Meter, LF757DCDA-OSY-GPM (Lead Free)
4" Double Check Detector Backflow Preventer, GPM Meter, LF757DCDA-OSY-GPM (Lead Free)
SKU: 0122716
Watts
SKU: 0122716
Brand: Watts
$8,448.05 each
In Stock
Get 12 by Tue, Sep 8 - Fri, Sep 11
In Stock
Get 12 by Tue, Sep 8 - Fri, Sep 11
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Product Image of Rubber Repair Kit for Watts 3/4" - 1" 709 (RK-709-RT)
Rubber Repair Kit for Watts 3/4" - 1" 709 (RK-709-RT)
SKU: 0887152
Watts
SKU: 0887152
Brand: Watts
$24.60 each
Backorder
Get it by Wed, Sep 30 - Wed, Oct 28
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Product Image of 3" 757 Double Check Detector Assembly with NRS Shutoff Valves (757-NRS)
3" 757 Double Check Detector Assembly with NRS Shutoff Valves (757-NRS)
SKU: 0111523
Watts
SKU: 0111523
Brand: Watts
$3,687.87 each
Backorder
Get it by Thu, Oct 1 - Mon, Nov 2
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Product Image of 6" 757 Double Check Detector Assembly (757DCDA-OSY-CFM)
6" 757 Double Check Detector Assembly (757DCDA-OSY-CFM)
SKU: 0111547
Watts
SKU: 0111547
Brand: Watts
$6,914.32 each
In Stock
Get 5 by Fri, Sep 11 - Wed, Sep 16
In Stock
Get 5 by Fri, Sep 11 - Wed, Sep 16
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Product Image of 2-1/2" to 4" Second Check Backflow Repair Kit for 757 and 757DCDA
2-1/2" to 4" Second Check Backflow Repair Kit for 757 and 757DCDA
SKU: 7018130
Watts
SKU: 7018130
Brand: Watts
$423.27 each
In Stock
Get 12 by Wed, Sep 2 - Thu, Sep 3
In Stock
Get 12 by Wed, Sep 2 - Thu, Sep 3
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Product Image of 2-1/2" Double Check Detector Assembly (007 OSY-CFM)
2-1/2" Double Check Detector Assembly (007 OSY-CFM)
SKU: 0062511
Watts
SKU: 0062511
Brand: Watts
$9,544.79 each
Backorder
Get it by Thu, Oct 1 - Mon, Nov 2
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Product Image of LFRK 709-CK4 6 Fourth Check Repair Kit
LFRK 709-CK4 6 Fourth Check Repair Kit
SKU: 0794016
Watts
SKU: 0794016
Brand: Watts
$1,845.62 each
Backorder
Get it by Wed, Sep 30 - Wed, Oct 28
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Product Image of 4" Lead Free Fourth Check Repair Kit for Double Check Valve Assembly LF709
4" Lead Free Fourth Check Repair Kit for Double Check Valve Assembly LF709
SKU: 0794015
Watts
SKU: 0794015
Brand: Watts
$1,322.28 each
In Stock
Get 18 by Wed, Sep 2 - Thu, Sep 3
In Stock
Get 18 by Wed, Sep 2 - Thu, Sep 3
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Product Image of 8" DCDA4SG , GRV, 4SG, W/OS&Y FLG GV, 4SG60EE3
8" DCDA4SG , GRV, 4SG, W/OS&Y FLG GV, 4SG60EE3
SKU: 4SG60EE3
Apollo Valves
SKU: 4SG60EE3
Brand: Apollo Valves
$9,779.00 each
Out of Stock
Get it by Wed, Sep 16 - Wed, Sep 23
Out of Stock
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Product Image of 6" Double Check Detector Assembly Backflow Preventer
6" Double Check Detector Assembly Backflow Preventer
SKU: 6-450DA
Zurn
SKU: 6-450DA
Brand: Zurn
$13,674.99 each
In Stock
Get 5 by Tue, Sep 8 - Fri, Sep 11
In Stock
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Product Image of 4" 757 Double Check Detector Assembly with UL/FM Butterfly Valves (757-BFG)
4" 757 Double Check Detector Assembly with UL/FM Butterfly Valves (757-BFG)
SKU: 0111536
Watts
SKU: 0111536
Brand: Watts
$5,352.35 each
Backorder
Get it by Thu, Oct 1 - Mon, Nov 2
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Product Image of 4" 757 Double Check Detector Assembly (OSY-GPM)
4" 757 Double Check Detector Assembly (OSY-GPM)
SKU: 0111552
Watts
SKU: 0111552
Brand: Watts
$6,787.46 each
Backorder
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Product Image of 3" 757 Double Check Detector Assembly (OSY-CFM)
3" 757 Double Check Detector Assembly (OSY-CFM)
SKU: 0111545
Watts
SKU: 0111545
Brand: Watts
$5,897.38 each
Backorder
Get it by Thu, Oct 1 - Mon, Nov 2
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Product Image of 2-1/2" to 10" Total Relief Valve Kit for 994 and 994DCDA
2-1/2" to 10" Total Relief Valve Kit for 994 and 994DCDA
SKU: 0888840
Watts
SKU: 0888840
Brand: Watts
$1,922.49 each
In Stock
Get 26 by Wed, Sep 2 - Thu, Sep 3
In Stock
Get 26 by Wed, Sep 2 - Thu, Sep 3
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Product Image of 8" Double Check Detector Backflow Preventer Assembly, SS Body w/ Grooved End Butterfly Valves (Lead Free)
8" Double Check Detector Backflow Preventer Assembly, SS Body w/ Grooved End Butterfly Valves (Lead Free)
SKU: 8-350ASTBG
Zurn
SKU: 8-350ASTBG
Brand: Zurn
$21,498.99 each
Out of Stock
Get it by Thu, Sep 17 - Mon, Sep 28
Out of Stock
Get it by Thu, Sep 17 - Mon, Sep 28
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Product Image of 10" Wilkins Double Check Detector Backflow Preventer Assembly, Stainless Steel Body w/ Flanged OS&Y Gate Valves (Lead Free)
10" Wilkins Double Check Detector Backflow Preventer Assembly, Stainless Steel Body w/ Flanged OS&Y Gate Valves (Lead Free)
SKU: 10-350ASTOSY
Zurn
SKU: 10-350ASTOSY
Brand: Zurn
$27,669.99 each
Out of Stock
Get it by Thu, Sep 17 - Mon, Sep 28
Out of Stock
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Product Image of 8" Lead Free Double Check Detector Backflow Preventer Assembly, OSY Shutoff Valves, Gallons/Minute Meter
8" Lead Free Double Check Detector Backflow Preventer Assembly, OSY Shutoff Valves, Gallons/Minute Meter
SKU: 0122718
Watts
SKU: 0122718
Brand: Watts
$23,061.05 each
Out of Stock
Get it by Thu, Sep 17 - Mon, Sep 28
Out of Stock
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Product Image of 6" 757DCDA Double Check Detector Assembly with OSY Shutoff Valves and Gallons/Minute Meter (757DCDA-OSY-GPM)
6" 757DCDA Double Check Detector Assembly with OSY Shutoff Valves and Gallons/Minute Meter (757DCDA-OSY-GPM)
SKU: 0111553
Watts
SKU: 0111553
Brand: Watts
$7,744.62 each
Backorder
Get it by Thu, Oct 1 - Mon, Nov 2
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Product Image of 2-1/2" 757 Double Check Detector Assembly with OSY Shutoff Valves (757-OSY)
2-1/2" 757 Double Check Detector Assembly with OSY Shutoff Valves (757-OSY)
SKU: 0111510
Watts
SKU: 0111510
Brand: Watts
$4,050.98 each
Backorder
Get it by Thu, Oct 1 - Mon, Nov 2
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Product Image of 4" Wilkins Double Check Detector Backflow Preventer Assembly, Stainless Steel Body w/ Flanged OS&Y Gate Valves (Lead Free)
4" Wilkins Double Check Detector Backflow Preventer Assembly, Stainless Steel Body w/ Flanged OS&Y Gate Valves (Lead Free)
SKU: 4-350ASTOSY
Zurn
SKU: 4-350ASTOSY
Brand: Zurn
$6,338.99 each
In Stock
Get 3 by Tue, Sep 8 - Fri, Sep 11
In Stock
Get 3 by Tue, Sep 8 - Fri, Sep 11
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Product Image of 4" 757 Double Check Detector Assembly, Lead Free (757DCDA-OSY-CFM)
4" 757 Double Check Detector Assembly, Lead Free (757DCDA-OSY-CFM)
SKU: 0122711
Watts
SKU: 0122711
Brand: Watts
$6,108.31 each
Backorder
Get it by Thu, Oct 1 - Mon, Nov 2
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Product Image of 4" 757 Double Check Detector Assembly (757DCDA-OSY-CFM)
4" 757 Double Check Detector Assembly (757DCDA-OSY-CFM)
SKU: 0111546
Watts
SKU: 0111546
Brand: Watts
$5,099.73 each
Backorder
Get it by Thu, Oct 1 - Mon, Nov 2
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Get it by Thu, Oct 1 - Mon, Nov 2
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Product Image of 8" Double Check Detector Backflow Preventer Assembly, Stainless Steel Body, Flanged x Flanged (Lead Free)
8" Double Check Detector Backflow Preventer Assembly, Stainless Steel Body, Flanged x Flanged (Lead Free)
SKU: 8-350ASTDA
Zurn
SKU: 8-350ASTDA
Brand: Zurn
$19,711.99 each
Backorder
Get it by Thu, Oct 1 - Mon, Nov 2
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Get it by Thu, Oct 1 - Mon, Nov 2
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Product Image of 3" 757DCDA Double Check Detector Assembly with OSY Shutoff Valves w/o Meter (757DCDA-OSY-LM)
3" 757DCDA Double Check Detector Assembly with OSY Shutoff Valves w/o Meter (757DCDA-OSY-LM)
SKU: 0111838
Watts
SKU: 0111838
Brand: Watts
$5,705.85 each
Backorder
Get it by Thu, Oct 1 - Mon, Nov 2
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Product Image of 4" Double Check Detector Assembly (D 709 OSY-CFM 3/4")
4" Double Check Detector Assembly (D 709 OSY-CFM 3/4")
SKU: 0389187
Watts
SKU: 0389187
Brand: Watts
$7,304.25 each
Backorder
Get it by Thu, Oct 1 - Mon, Nov 2
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Product Image of 12" Double Check Detector Backflow Preventer Assembly, Ductile Iron Body, Flanged x Flanged (Lead Free)
12" Double Check Detector Backflow Preventer Assembly, Ductile Iron Body, Flanged x Flanged (Lead Free)
SKU: 12IN-350DA
Zurn
SKU: 12IN-350DA
Brand: Zurn
$48,464.99 each
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1-888-757-4774
Backorder
Get it by Thu, Oct 1 - Mon, Nov 2
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Product Image of 8" MJS Ductile Iron Valve Setter
8" MJS Ductile Iron Valve Setter
SKU: 8-MJS
Zurn
SKU: 8-MJS
Brand: Zurn
$3,029.99 each
In Stock
Get 5 by Tue, Sep 8 - Fri, Sep 11
In Stock
Get 5 by Tue, Sep 8 - Fri, Sep 11
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Product Image of 8" 757DCDA Double Check Detector Assembly with OSY Shutoff Valves and Gallons/Minute Meter (757DCDA-OSY-GPM)
8" 757DCDA Double Check Detector Assembly with OSY Shutoff Valves and Gallons/Minute Meter (757DCDA-OSY-GPM)
SKU: 0111554
Watts
SKU: 0111554
Brand: Watts
$14,119.26 each
Backorder
Get it by Thu, Oct 1 - Mon, Nov 2
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Product Image of 6" Double Check Detector Backflow Preventer, Cubic Feet Meter, LF757DCDA-OSY-CFM (Lead Free)
6" Double Check Detector Backflow Preventer, Cubic Feet Meter, LF757DCDA-OSY-CFM (Lead Free)
SKU: 0122712
Watts
SKU: 0122712
Brand: Watts
$9,679.48 each
Backorder
Get it by Thu, Oct 1 - Mon, Nov 2
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Product Image of LFRK 709-S 6 Seat Repair Kit
LFRK 709-S 6 Seat Repair Kit
SKU: 0794021
Watts
SKU: 0794021
Brand: Watts
$662.61 each
In Stock
Get 4 by Wed, Sep 2 - Thu, Sep 3
In Stock
Get 4 by Wed, Sep 2 - Thu, Sep 3
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Product Image of 2-1/2" to 4" Backflow Preventer Second Check Valve Repair Kit for 994 and 994DCDA
2-1/2" to 4" Backflow Preventer Second Check Valve Repair Kit for 994 and 994DCDA
SKU: 0888833
Watts
SKU: 0888833
Brand: Watts
$499.45 each
Backorder
Get it by Wed, Sep 30 - Wed, Oct 28
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Product Image of 3" Wilkins Double Check Detector Backflow Preventer Assembly, SS Body w/ Grooved End Butterfly Valves (Lead Free)
3" Wilkins Double Check Detector Backflow Preventer Assembly, SS Body w/ Grooved End Butterfly Valves (Lead Free)
SKU: 3-350ASTBG
Zurn
SKU: 3-350ASTBG
Brand: Zurn
$5,347.99 each
Out of Stock
Get it by Thu, Sep 17 - Mon, Sep 28
Out of Stock
Get it by Thu, Sep 17 - Mon, Sep 28
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Product Image of 8" Double Check Detector Assembly w/ OSY Shutoffs, Cubic Feet Meter, Bypass, and Epoxy Coating (709DCDA-OSY-CFM 8 3/4)
8" Double Check Detector Assembly w/ OSY Shutoffs, Cubic Feet Meter, Bypass, and Epoxy Coating (709DCDA-OSY-CFM 8 3/4)
SKU: 0389177
Watts
SKU: 0389177
Brand: Watts
$22,335.31 each
Backorder
Get it by Thu, Oct 1 - Mon, Nov 2
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Get it by Thu, Oct 1 - Mon, Nov 2
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Product Image of 8" Double Check Detector Backflow Preventer Assembly, Stainless Steel Body w/ Flanged OS&Y Gate Valves (Lead Free)
8" Double Check Detector Backflow Preventer Assembly, Stainless Steel Body w/ Flanged OS&Y Gate Valves (Lead Free)
SKU: 8-350ASTOSY
Zurn
SKU: 8-350ASTOSY
Brand: Zurn
$18,540.99 each
Backorder
Get it by Thu, Oct 1 - Mon, Nov 2
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Product Image of 8" Check Replacement Kit for 856/876V Series
8" Check Replacement Kit for 856/876V Series
SKU: 905541
Febco
SKU: 905541
Brand: Febco
$2,082.87 each
Backorder
Get it by Wed, Sep 30 - Wed, Oct 28
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Product Image of 6" DCDA-2 Double Check Detector Assembly, OS&Y, FXF, MTR GPM, Lead Free 4ALF, SS, 4ALF62CE3
6" DCDA-2 Double Check Detector Assembly, OS&Y, FXF, MTR GPM, Lead Free 4ALF, SS, 4ALF62CE3
SKU: 4ALF62CE3
Apollo Valves
SKU: 4ALF62CE3
Brand: Apollo Valves
$5,498.90 each
Out of Stock
Get it by Wed, Sep 16 - Wed, Sep 23
Out of Stock
Get it by Wed, Sep 16 - Wed, Sep 23
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Product Image of 4" 994-OSY-FS Stainless Steel Reduced Pressure Zone Assembly w/ Flood Sensor Connectivity
4" 994-OSY-FS Stainless Steel Reduced Pressure Zone Assembly w/ Flood Sensor Connectivity
SKU: F438049
Watts
SKU: F438049
Brand: Watts
$7,617.27 each
Backorder
Get it by Thu, Oct 1 - Mon, Nov 2
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Product Image of 4" 757DCDA Double Check Detector Assembly with OSY Shutoff Valves w/o Meter (757DCDA-OSY-LM)
4" 757DCDA Double Check Detector Assembly with OSY Shutoff Valves w/o Meter (757DCDA-OSY-LM)
SKU: 0111839
Watts
SKU: 0111839
Brand: Watts
$6,145.77 each
Backorder
Get it by Thu, Oct 1 - Mon, Nov 2
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Product Image of 10" Double Check Detector Assembly (D 709 OSY-CFM 3/4")
10" Double Check Detector Assembly (D 709 OSY-CFM 3/4")
SKU: 0389190
Watts
SKU: 0389190
Brand: Watts
$25,526.93 each
Backorder
Get it by Thu, Oct 1 - Mon, Nov 2
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Product Image of 2" Bronze DCDA2, 4A Series Double Check Detector Assembly, 4A628E2STF
2" Bronze DCDA2, 4A Series Double Check Detector Assembly, 4A628E2STF
SKU: 4A628E2STF
Apollo Valves
SKU: 4A628E2STF
Brand: Apollo Valves
$2,834.03 each
Out of Stock
Get it by Wed, Sep 16 - Wed, Sep 23
Out of Stock
Get it by Wed, Sep 16 - Wed, Sep 23
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Product Image of 8" 774 Double Check Detector Assembly w/ OSY Shutoffs, GPM Meter, Short Lay Length (774DCDA-OSY-GPM)
8" 774 Double Check Detector Assembly w/ OSY Shutoffs, GPM Meter, Short Lay Length (774DCDA-OSY-GPM)
SKU: 0438029
Watts
SKU: 0438029
Brand: Watts
$20,518.27 each
Backorder
Get it by Thu, Oct 1 - Mon, Nov 2
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Product Image of 10" 757DCDA Double Check Detector Assembly with OSY Shutoff Valves and Gallons/Minute Meter (757DCDA-OSY-GPM)
10" 757DCDA Double Check Detector Assembly with OSY Shutoff Valves and Gallons/Minute Meter (757DCDA-OSY-GPM)
SKU: 0111555
Watts
SKU: 0111555
Brand: Watts
$22,671.94 each
Backorder
Get it by Thu, Oct 1 - Mon, Nov 2
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Product Image of 6" Rubber Parts Repair Kit
6" Rubber Parts Repair Kit
SKU: 0887917
Watts
SKU: 0887917
Brand: Watts
$290.34 each
Backorder
Get it by Wed, Sep 30 - Wed, Oct 28
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Product Image of 2-1/2" to 4" Backflow Preventer First Check Valve Repair Kit for 774 and 774DCDA
2-1/2" to 4" Backflow Preventer First Check Valve Repair Kit for 774 and 774DCDA
SKU: 0888820
Watts
SKU: 0888820
Brand: Watts
$499.45 each
Backorder
Get it by Wed, Sep 30 - Wed, Oct 28
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Product Image of 4" Double Check Detector Assembly (709 OSY-CFM)
4" Double Check Detector Assembly (709 OSY-CFM)
SKU: 0387058
Watts
SKU: 0387058
Brand: Watts
$14,649.03 each
Backorder
Get it by Thu, Oct 1 - Mon, Nov 2
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Product Image of 3" LF709-OSY Lead Free Double Check Valve Assembly
3" LF709-OSY Lead Free Double Check Valve Assembly
SKU: 0122786
Watts
SKU: 0122786
Brand: Watts
$5,969.98 each
Backorder
Get it by Thu, Oct 1 - Mon, Nov 2
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Product Image of 6" Double Check Detector Assembly w/ OSY Shutoffs, GPM Meter, and Epoxy Coating (709DCDA-OSY-GPM)
6" Double Check Detector Assembly w/ OSY Shutoffs, GPM Meter, and Epoxy Coating (709DCDA-OSY-GPM)
SKU: 0387082
Watts
SKU: 0387082
Brand: Watts
$16,601.71 each
Backorder
Get it by Thu, Oct 1 - Mon, Nov 2
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Get it by Thu, Oct 1 - Mon, Nov 2
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