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Apollo Valves (5)
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SharkBite (2)
Taco (4)
Watts (52)
Zurn (18)

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C x C (11)
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175 (42)
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1/4" (2)
3/8" (19)
1/2" (29)
3/4" (37)
1" (26)
1-1/4" (4)
1-1/2" (1)
2" (1)

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(31)
(12)
(1)
(1)

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$1 to $5 (1)
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$15 to $20 (1)
$30 to $35 (1)
$35 to $40 (1)
$40 to $45 (2)
$45 to $50 (1)
$50 to $60 (6)
$60 to $70 (4)
$70 to $80 (15)

Dual Checks

116 items
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Product Image of 1/2" 9D-M3 Dual Check Valve w/ Intermediate Atmospheric Vent
1/2" 9D-M3 Dual Check Valve w/ Intermediate Atmospheric Vent
SKU: 0061935
Watts
SKU: 0061935
Brand: Watts
(40)
$167.58 each
In Stock
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In Stock
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Product Image of BBFP, 1/2" IPS Backflow Preventer
BBFP, 1/2" IPS Backflow Preventer
SKU: 0063190
Watts
SKU: 0063190
Brand: Watts
(43)
$149.88 each
In Stock
Get 94 by Tue, Jun 9
In Stock
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Product Image of 1/2" NPT Dual Check Backflow Preventer w/ Atmospheric Vent
1/2" NPT Dual Check Backflow Preventer w/ Atmospheric Vent
SKU: 573403A
Caleffi
SKU: 573403A
Brand: Caleffi
(7)
$79.17 each
In Stock
Get 117 by Tomorrow, Jun 5
In Stock
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Product Image of 1/2" LF7U2-2 Dual Check Valve (Lead Free)
1/2" LF7U2-2 Dual Check Valve (Lead Free)
SKU: 0072203
Watts
SKU: 0072203
Brand: Watts
(20)
$94.61 each
In Stock
Get 278 by Tomorrow, Jun 5
In Stock
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Product Image of 3/4" LF7RU2-2 Dual Check Valve (Lead Free)
3/4" LF7RU2-2 Dual Check Valve (Lead Free)
SKU: 0072204
Watts
SKU: 0072204
Brand: Watts
(20)
$101.84 each
In Stock
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In Stock
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Product Image of BBFP, 3/4" IPS Backflow Preventer
BBFP, 3/4" IPS Backflow Preventer
SKU: 0063192
Watts
SKU: 0063192
Brand: Watts
(43)
$160.73 each
In Stock
Get 56 by Tomorrow, Jun 5
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Product Image of 1/2" x 1/2" Lead Free Wilkins 700XL Dual Check Valve (Union FNPT x FNPT)
1/2" x 1/2" Lead Free Wilkins 700XL Dual Check Valve (Union FNPT x FNPT)
SKU: 12UFX12F-700XL
Zurn
SKU: 12UFX12F-700XL
Brand: Zurn
(9)
$104.99 each
In Stock
Get 52 by Tomorrow, Jun 5
In Stock
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Product Image of 9DM2, 3/4" Brass Dual Check Valve with Intermediate Atmospheric Vent
9DM2, 3/4" Brass Dual Check Valve with Intermediate Atmospheric Vent
SKU: 0061888
Watts
SKU: 0061888
Brand: Watts
(9)
$179.50 each
In Stock
Get 10 by Tomorrow, Jun 5
In Stock
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Product Image of BBFP, 1/2" CxC Backflow Preventer
BBFP, 1/2" CxC Backflow Preventer
SKU: 0063191
Watts
SKU: 0063191
Brand: Watts
(6)
$149.88 each
In Stock
Get 17 by Tomorrow, Jun 5
In Stock
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Product Image of 1/2" IPS Backflow Preventor, Lead Free
1/2" IPS Backflow Preventor, Lead Free
SKU: BFP-90-1/2LF
Matco-Norca
SKU: BFP-90-1/2LF
Brand: Matco-Norca
(7)
$54.96 each
In Stock
Get 13 by Tomorrow, Jun 5
In Stock
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Product Image of 3/4" BF1 Sharkbite Dual Check Backflow Preventer (Lead Free)
3/4" BF1 Sharkbite Dual Check Backflow Preventer (Lead Free)
SKU: BF13434SB
SharkBite
SKU: BF13434SB
Brand: SharkBite
(7)
$42.65 each
In Stock
Get 55 by Tomorrow, Jun 5
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Product Image of 1" BF1 Dual Check Backflow Preventer, Union FNPT Inlet and Outlet (Lead Free)
1" BF1 Dual Check Backflow Preventer, Union FNPT Inlet and Outlet (Lead Free)
SKU: BF10101
Cash-Acme
SKU: BF10101
Brand: Cash-Acme
(2)
$36.08 each
In Stock
Get 11 by Tomorrow, Jun 5
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Product Image of 1/2" PEX Crimp Dual Check Backflow Preventer (ASSE 1024 Compliant)
1/2" PEX Crimp Dual Check Backflow Preventer (ASSE 1024 Compliant)
SKU: 304847A
Caleffi
SKU: 304847A
Brand: Caleffi
$63.34 each
In Stock
Get 7 by Tomorrow, Jun 5
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Product Image of 3/4" Press Dual Check Backflow Preventer (ASSE 1024 Compliant)
3/4" Press Dual Check Backflow Preventer (ASSE 1024 Compliant)
SKU: 304856A
Caleffi
SKU: 304856A
Brand: Caleffi
$72.93 each
In Stock
Get 26 by Tomorrow, Jun 5
In Stock
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Product Image of 3/4" NPT Female Dual Check Backflow Preventer w/ Atmospheric Vent
3/4" NPT Female Dual Check Backflow Preventer w/ Atmospheric Vent
SKU: 573503A
Caleffi
SKU: 573503A
Brand: Caleffi
(1)
$78.28 each
In Stock
Get 38 by Tomorrow, Jun 5
In Stock
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Product Image of 1/2" IPS BFP Backflow Preventer (Lead Free)
1/2" IPS BFP Backflow Preventer (Lead Free)
SKU: 21574-0000LF
Cash-Acme
SKU: 21574-0000LF
Brand: Cash-Acme
(5)
$86.11 each
In Stock
Get 30 by Tomorrow, Jun 5
In Stock
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Product Image of 3/4" x 3/4" LF7RU2-U2 Lead Free Dual Check Valve
3/4" x 3/4" LF7RU2-U2 Lead Free Dual Check Valve
SKU: 0072221
Watts
SKU: 0072221
Brand: Watts
(6)
$124.86 each
In Stock
Get 9 by Tomorrow, Jun 5
In Stock
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Product Image of 3/4" x 3/4" Lead Free Wilkins 700XL Dual Check Valve, Union FNPT x FNPT
3/4" x 3/4" Lead Free Wilkins 700XL Dual Check Valve, Union FNPT x FNPT
SKU: 34UFX34F-700XL
Zurn
SKU: 34UFX34F-700XL
Brand: Zurn
(9)
$111.99 each
In Stock
Get 111 by Tomorrow, Jun 5
In Stock
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Product Image of 3/4" PEX Expansion Dual Check Backflow Preventer (ASSE 1024 Compliant)
3/4" PEX Expansion Dual Check Backflow Preventer (ASSE 1024 Compliant)
SKU: 304858A
Caleffi
SKU: 304858A
Brand: Caleffi
$73.95 each
In Stock
Get 17 by Tomorrow, Jun 5
In Stock
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Product Image of 1/4" NPT Replacement Gauge, 60 psi/0-4 bar
1/4" NPT Replacement Gauge, 60 psi/0-4 bar
SKU: NA10363
Caleffi
SKU: NA10363
Brand: Caleffi
(3)
$17.28 each
In Stock
Get 15 by Tomorrow, Jun 5
In Stock
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Product Image of 1/2" 9DS-M3 Dual Check Valve
1/2" 9DS-M3 Dual Check Valve
SKU: 0061952
Watts
SKU: 0061952
Brand: Watts
(3)
$175.09 each
In Stock
Get 1 by Tomorrow, Jun 5
In Stock
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Product Image of 3/4" PEX Crimp Dual Check Backflow Preventer (ASSE 1024 Compliant)
3/4" PEX Crimp Dual Check Backflow Preventer (ASSE 1024 Compliant)
SKU: 304857A
Caleffi
SKU: 304857A
Brand: Caleffi
$72.45 each
In Stock
Get 22 by Tomorrow, Jun 5
In Stock
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Product Image of 1/2" Press Dual Check Backflow Preventer (ASSE 1024 Compliant)
1/2" Press Dual Check Backflow Preventer (ASSE 1024 Compliant)
SKU: 304846A
Caleffi
SKU: 304846A
Brand: Caleffi
$80.67 each
In Stock
Get 1 by Tomorrow, Jun 5
In Stock
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Product Image of 1" PEX Expansion Dual Check Backflow Preventer (ASSE 1024 Compliant)
1" PEX Expansion Dual Check Backflow Preventer (ASSE 1024 Compliant)
SKU: 304868A
Caleffi
SKU: 304868A
Brand: Caleffi
$77.47 each
In Stock
Get 10 by Tomorrow, Jun 5
In Stock
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Product Image of 3/4" LF9D Female Union Forged Brass Dual Check w/ Intermediate Atmospheric Vent (Lead Free)
3/4" LF9D Female Union Forged Brass Dual Check w/ Intermediate Atmospheric Vent (Lead Free)
SKU: 88006832
Watts
SKU: 88006832
Brand: Watts
$126.40 each
In Stock
Get 5 by Mon, Jun 8
In Stock
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Product Image of 1" x 1" Wilkins 700XL Dual Check Valve, Union FNPT x FNPT (Lead Free)
1" x 1" Wilkins 700XL Dual Check Valve, Union FNPT x FNPT (Lead Free)
SKU: 1UFX1F-700XL
Zurn
SKU: 1UFX1F-700XL
Brand: Zurn
(9)
$114.99 each
In Stock
Get 43 by Tomorrow, Jun 5
In Stock
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Product Image of 1" LF7RU2-2 Lead Free Dual Check Valve
1" LF7RU2-2 Lead Free Dual Check Valve
SKU: 0072205
Watts
SKU: 0072205
Brand: Watts
(20)
$111.59 each
In Stock
Get 6 by Tomorrow, Jun 5
In Stock
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Product Image of 1/2" 573 Backflow Preventer ASSE 1012 (Press)
1/2" 573 Backflow Preventer ASSE 1012 (Press)
SKU: 573406A
Caleffi
SKU: 573406A
Brand: Caleffi
$96.03 each
In Stock
Get 11 by Tomorrow, Jun 5
In Stock
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Product Image of 3/4" IPS BFP Backflow Preventer (Lead Free)
3/4" IPS BFP Backflow Preventer (Lead Free)
SKU: 21575-0000LF
Cash-Acme
SKU: 21575-0000LF
Brand: Cash-Acme
(3)
$85.72 each
In Stock
Get 24 by Tomorrow, Jun 5
In Stock
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Product Image of 1/2" x 1/2" LF7RU2-U2 Lead Free Dual Check Valve
1/2" x 1/2" LF7RU2-U2 Lead Free Dual Check Valve
SKU: 0072206
Watts
SKU: 0072206
Brand: Watts
(6)
$133.87 each
In Stock
Get 18 by Tomorrow, Jun 5
In Stock
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Product Image of 1/2" Sweat Dual Check Backflow Preventer w/ Atmospheric Vent
1/2" Sweat Dual Check Backflow Preventer w/ Atmospheric Vent
SKU: 573409A
Caleffi
SKU: 573409A
Brand: Caleffi
(1)
$84.31 each
In Stock
Get 7 by Tomorrow, Jun 5
In Stock
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Product Image of 3/4" NH BFP VB-222 Self-Draining Vacuum Breaker w/ Lock Screw (Lead Free)
3/4" NH BFP VB-222 Self-Draining Vacuum Breaker w/ Lock Screw (Lead Free)
SKU: 19600-0000LF
Cash-Acme
SKU: 19600-0000LF
Brand: Cash-Acme
(4)
$11.25 each
In Stock
Get 105 by Tomorrow, Jun 5
In Stock
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Product Image of 3/8" SD2-MN Dual Check Valve for Carbonated Beverage Machines (Lead Free)
3/8" SD2-MN Dual Check Valve for Carbonated Beverage Machines (Lead Free)
SKU: 0061654
Watts
SKU: 0061654
Brand: Watts
$256.06 each
In Stock
Get 22 by Tomorrow, Jun 5
In Stock
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Product Image of 3/8" x 3/8" Lead Free Wilkins 700XL Dual Check Valve (Union FNPT x FNPT)
3/8" x 3/8" Lead Free Wilkins 700XL Dual Check Valve (Union FNPT x FNPT)
SKU: 38UFX38F-700XL
Zurn
SKU: 38UFX38F-700XL
Brand: Zurn
$104.99 each
In Stock
Get 37 by Tomorrow, Jun 5
In Stock
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Product Image of 1" x 1" LF7RU2-U2 Lead Free Dual Check Valve
1" x 1" LF7RU2-U2 Lead Free Dual Check Valve
SKU: 0072224
Watts
SKU: 0072224
Brand: Watts
(6)
$183.19 each
In Stock
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In Stock
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Product Image of LF07S LF 1" Residential Fire Sprinkler Dual Check Backflow Preventer, Lead Free
LF07S LF 1" Residential Fire Sprinkler Dual Check Backflow Preventer, Lead Free
SKU: 0122588
Watts
SKU: 0122588
Brand: Watts
$223.86 each
In Stock
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In Stock
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Product Image of 3/8" SD3-FN Dual Check Valve Backflow Preventer with Atmospheric Vent and Wye Strainer (FNPT)
3/8" SD3-FN Dual Check Valve Backflow Preventer with Atmospheric Vent and Wye Strainer (FNPT)
SKU: 0061667
Watts
SKU: 0061667
Brand: Watts
(1)
$338.75 each
In Stock
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In Stock
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Product Image of 3/4" IPS Backflow Preventor, Lead Free
3/4" IPS Backflow Preventor, Lead Free
SKU: BFP-90-3/4LF
Matco-Norca
SKU: BFP-90-3/4LF
Brand: Matco-Norca
(2)
$55.28 each
Out of Stock
Get it by Fri, Jun 19 - Fri, Jun 26
Out of Stock
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Product Image of 1/2" Brass Dual Check w/ Atmospheric Vent w/ FNPT Connection
1/2" Brass Dual Check w/ Atmospheric Vent w/ FNPT Connection
SKU: 4A4A33AM
Apollo Valves
SKU: 4A4A33AM
Brand: Apollo Valves
(3)
$75.18 each
In Stock
Get 9 by Tomorrow, Jun 5
In Stock
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Product Image of 3/4" FNPT Dual Check Backflow Preventer (ASSE 1024 Compliant)
3/4" FNPT Dual Check Backflow Preventer (ASSE 1024 Compliant)
SKU: 304853A
Caleffi
SKU: 304853A
Brand: Caleffi
$65.42 each
In Stock
Get 13 by Tue, Jun 9
In Stock
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Product Image of 1/2" C x C Backflow Preventor, Lead Free
1/2" C x C Backflow Preventor, Lead Free
SKU: BFP-90-1/2-CLF
Matco-Norca
SKU: BFP-90-1/2-CLF
Brand: Matco-Norca
(2)
$51.99 each
In Stock
Get 1 by Tomorrow, Jun 5
In Stock
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Product Image of 1/2" NPT BFP V-101 Anti-Siphon Vacuum Breaker, Brass (Lead Free)
1/2" NPT BFP V-101 Anti-Siphon Vacuum Breaker, Brass (Lead Free)
SKU: 17383-0000LF
Cash-Acme
SKU: 17383-0000LF
Brand: Cash-Acme
(1)
$30.96 each
In Stock
Get 10 by Tomorrow, Jun 5
In Stock
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Product Image of 1/2" PEX Expansion Dual Check Backflow Preventer (ASSE 1024 Compliant)
1/2" PEX Expansion Dual Check Backflow Preventer (ASSE 1024 Compliant)
SKU: 304848A
Caleffi
SKU: 304848A
Brand: Caleffi
(2)
$84.03 each
In Stock
Get 3 by Tomorrow, Jun 5
In Stock
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Product Image of 1/2" x 1/2" Wilkins 760 Dual Check Valve (Union FNPT x FNPT)
1/2" x 1/2" Wilkins 760 Dual Check Valve (Union FNPT x FNPT)
SKU: 12-760
Zurn
SKU: 12-760
Brand: Zurn
(2)
$145.99 each
In Stock
Get 24 by Tomorrow, Jun 5
In Stock
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Product Image of 3/8" LF7 Dual Check Valve (Bronze) Lead Free
3/8" LF7 Dual Check Valve (Bronze) Lead Free
SKU: 0792076
Watts
SKU: 0792076
Brand: Watts
$247.37 each
In Stock
Get 495 by Tomorrow, Jun 5
In Stock
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Product Image of 1/2" 9D-M3 Dual Check Valve w/ Intermediate Atmospheric Vent (Copper Press)
1/2" 9D-M3 Dual Check Valve w/ Intermediate Atmospheric Vent (Copper Press)
SKU: 0386471
Watts
SKU: 0386471
Brand: Watts
$181.49 each
In Stock
Get 2 by Tomorrow, Jun 5
In Stock
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Product Image of 1/2" Brass Backflow Preventer (Union FNPT)
1/2" Brass Backflow Preventer (Union FNPT)
SKU: 3192-T1
Taco
SKU: 3192-T1
Brand: Taco
$70.68 each
In Stock
Get 2 by Tomorrow, Jun 5
In Stock
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Product Image of 1" PEX Crimp Dual Check Backflow Preventer (ASSE 1024 Compliant)
1" PEX Crimp Dual Check Backflow Preventer (ASSE 1024 Compliant)
SKU: 304867A
Caleffi
SKU: 304867A
Brand: Caleffi
$102.00 each
In Stock
Get 3 by Tue, Jun 9
In Stock
Get 3 by Tue, Jun 9
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