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$54.02
Watts LF7RU2-2 Lead-Free Brass MPT Dual Check Valve, 3/4-Inch, 1-Piece
Amazon.com
72
Free shipping
$54.02
Watts LF7RU2-2 Lead-Free Brass MPT Dual Check Valve, 3/4-Inch, 1-Piece
Amazon.com
72
$30.43
Ralston Instruments DP0V-0040 DP0V Pressure Check Valves, Brass
Transcat
$30.43
Ralston Instruments DP0V-0040 DP0V Pressure Check Valves, Brass
Transcat
$12.79
Eastman Brass Swing Check Valve, 3/4 Inch Copper Sweat, Brass Plumbing Fitting, 20443LF
Amazon.com
44
$12.79
Eastman Brass Swing Check Valve, 3/4 Inch Copper Sweat, Brass Plumbing Fitting, 20443LF
Amazon.com
44
$767.07
$905.09
Watts LF007 Series 2" Lead-Free Copper Silicon Alloy Double Check Valve Backflow Preventer Assembly, Quarter Turn Shutoff, Single Top Entry, NPT
Amazon.com
1
Free shipping
15% off
$767.07
$905.09
Watts LF007 Series 2" Lead-Free Copper Silicon Alloy Double Check Valve Backflow Preventer Assembly, Quarter Turn Shutoff, Single Top Entry, NPT
Amazon.com
1
$104.73
$150.57
Watts 9D Series 3/4" Brass Dual Check Valve Backflow Preventer, Union Female NPT Inlet X Female NPT Outlet, Intermediate Atmospheric Vent, Compact
Amazon.com
96
Free shipping
30% off
$104.73
$150.57
Watts 9D Series 3/4" Brass Dual Check Valve Backflow Preventer, Union Female NPT Inlet X Female NPT Outlet, Intermediate Atmospheric Vent, Compact
Amazon.com
96
$31.99
1/8 1/4 3/8 1/2 Inch G Female Thread 304 Stainless Steel Check Valve One Way Non-Return Valve For Water Oil Gas Check Valve(1/2 Inch)
Amazon.com
4
$31.99
1/8 1/4 3/8 1/2 Inch G Female Thread 304 Stainless Steel Check Valve One Way Non-Return Valve For Water Oil Gas Check Valve(1/2 Inch)
Amazon.com
4
$39.99
1/2 Inch 9D-M3 Backflow Preventer Brass Dual Check Valve With Intermediate Atmospheric Vent,1/2 Inch,Female Union Inlet And Outlet,190T012,Replacement
Amazon.com
Free shipping
$39.99
1/2 Inch 9D-M3 Backflow Preventer Brass Dual Check Valve With Intermediate Atmospheric Vent,1/2 Inch,Female Union Inlet And Outlet,190T012,Replacement
Amazon.com
Free shipping
$90.10
$96.00
Watts LF7R Series 1/2" X 1/2" Lead-Free Brass Residential Dual Check Valve Backflow Preventer, Union Female NPT Inlet X Female NPT Outlet, Compact
Amazon.com
2
Free shipping
$90.10
$96.00
Watts LF7R Series 1/2" X 1/2" Lead-Free Brass Residential Dual Check Valve Backflow Preventer, Union Female NPT Inlet X Female NPT Outlet, Compact
Amazon.com
2
$31.99
2" NPT Horizontal Check Valve, Brass Non Return Swing Check Valve To Prevent Water Backflow, Level One Way Counterflow Valve To Prevent The Medium
Amazon.com
89
$31.99
2" NPT Horizontal Check Valve, Brass Non Return Swing Check Valve To Prevent Water Backflow, Level One Way Counterflow Valve To Prevent The Medium
Amazon.com
89
$34.15
Valterra 200-CU15 PVC Swing/Spring Combination Check Valve, Clear, 1-1/2" Union
Amazon.com
132
$34.15
Valterra 200-CU15 PVC Swing/Spring Combination Check Valve, Clear, 1-1/2" Union
Amazon.com
132
$9.64
$11.29
Homewerks VCKP40E5B PVC Schedule 40, 1-Inch In-Line Check Valve, X Solvent, 1 Inch, White
Amazon.com
375
14% off
$9.64
$11.29
Homewerks VCKP40E5B PVC Schedule 40, 1-Inch In-Line Check Valve, X Solvent, 1 Inch, White
Amazon.com
375
$28.99
Zejoot 3" Backflow Preventer Vavle,3 Inch Backwater Check Valve, Drain Backflow Preventer Valve Prevents Sewage And Rainwater From Flowing Back
Amazon.com
4
$28.99
Zejoot 3" Backflow Preventer Vavle,3 Inch Backwater Check Valve, Drain Backflow Preventer Valve Prevents Sewage And Rainwater From Flowing Back
Amazon.com
4
$14.99
Hooshing 2PCS Brass Check Valve 1/2" NPT Female Thread One Way Backflow Preventer In-Line Vertical Check Valves
Amazon.com
6
$14.99
Hooshing 2PCS Brass Check Valve 1/2" NPT Female Thread One Way Backflow Preventer In-Line Vertical Check Valves
Amazon.com
6
$24.57
Sharkbite Max 3/4 Inch Check Valve, Push To Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, UR2016A
Amazon.com
114
$24.57
Sharkbite Max 3/4 Inch Check Valve, Push To Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, UR2016A
Amazon.com
114
$12.99
Boltigen 1/2 Inch NPT Thread Stainless Steel Spring Check Valve, Non Return One Way Horizontal Check Valve, Vertical Inline Water Check Valves For
Amazon.com
34
$12.99
Boltigen 1/2 Inch NPT Thread Stainless Steel Spring Check Valve, Non Return One Way Horizontal Check Valve, Vertical Inline Water Check Valves For
Amazon.com
34
$15.19
Push-In Check Valve 4mm & G1/8' Male Brass/PBT 0.2-10Bar (3-145Psi) Hose-Thread
Tameson.com
$15.19
Push-In Check Valve 4mm & G1/8' Male Brass/PBT 0.2-10Bar (3-145Psi) Hose-Thread
Tameson.com
$226.44
$404.99
Zurn Wilkins 1-350 1" 350 Double Check Backflow Preventer
Amazon.com
76
Free shipping
44% off
$226.44
$404.99
Zurn Wilkins 1-350 1" 350 Double Check Backflow Preventer
Amazon.com
76
$36.13
$41.53
Valterra 200-CU20 PVC Swing/Spring Combination Check Valve, Clear, 2" Union
Amazon.com
225
Free shipping
13% off
$36.13
$41.53
Valterra 200-CU20 PVC Swing/Spring Combination Check Valve, Clear, 2" Union
Amazon.com
225
$42.11
Valterra 200-30 PVC Swing/Spring Combination Check Valve, White, 3" Slip
Amazon.com
63
Free shipping
$42.11
Valterra 200-30 PVC Swing/Spring Combination Check Valve, White, 3" Slip
Amazon.com
63
$9.56
Check Valve For JSP3200A & APC4000A
Intermatic
$9.56
Check Valve For JSP3200A & APC4000A
Intermatic
$22.54
G 3/4' Brass Swing Check Valve 12 Bar (174 Psi) Metal Seal
Tameson.com
$22.54
G 3/4' Brass Swing Check Valve 12 Bar (174 Psi) Metal Seal
Tameson.com
$259.66
Red Jacket 410153-002 High Pressure Check Valve Kit
SPATCO Energy Solutions
$259.66
Red Jacket 410153-002 High Pressure Check Valve Kit
SPATCO Energy Solutions
$16.24
Push-In Check Valve 6mm & G1/8' Male Brass/PBT 0.2-10Bar (3-145Psi) Hose-Thread
Tameson.com
$16.24
Push-In Check Valve 6mm & G1/8' Male Brass/PBT 0.2-10Bar (3-145Psi) Hose-Thread
Tameson.com
$490.26
CV-1-661212 Parker Partek CV-1 Check Valve, Style 3, PTFE, 3/4" Parflare, 0.25-0.75 PSIG
Valin Process Control Solutions
$490.26
CV-1-661212 Parker Partek CV-1 Check Valve, Style 3, PTFE, 3/4" Parflare, 0.25-0.75 PSIG
Valin Process Control Solutions
$266.47
$478.28
3" Cast Iron Swing Check Valve - Metal Seated
IrrigationKing
44% off
$266.47
$478.28
3" Cast Iron Swing Check Valve - Metal Seated
IrrigationKing
$1,301.27
$1,406.15
8 Inches Cast Iron Swing Check Valve - Metal Seated
ValveKing
$1,301.27
$1,406.15
8 Inches Cast Iron Swing Check Valve - Metal Seated
ValveKing
$89.64
2-1/2"-3" CPVC Jandy Pro Series Standard Check Valve (7307) By Cepex
PVC Fittings Online
90-day returns (most items)
$89.64
2-1/2"-3" CPVC Jandy Pro Series Standard Check Valve (7307) By Cepex
PVC Fittings Online
90-day returns
$199.98
Watts 3/4-In FNPT X FNPT Bronze Dual Check Valve | LF007M3-QT 3/4
Lowe's
$199.98
Watts 3/4-In FNPT X FNPT Bronze Dual Check Valve | LF007M3-QT 3/4
Lowe's
$11.99
Homewerks 1/2 in. D X 1/2 in. D FIP Brass Swing Check Valve
Ace Hardware
$11.99
Homewerks 1/2 in. D X 1/2 in. D FIP Brass Swing Check Valve
Ace Hardware
$201.39
Everflow 210T003-NL 3" Threaded Swing Check Valve, Lead Free | Supplyhouse.Com
SupplyHouse.com
$201.39
Everflow 210T003-NL 3" Threaded Swing Check Valve, Lead Free | Supplyhouse.Com
SupplyHouse.com
$815.88
$1,115.81
6 Inches Cast Iron Swing Check Valve - Metal Seated
ValveKing
26% off
$815.88
$1,115.81
6 Inches Cast Iron Swing Check Valve - Metal Seated
ValveKing
$39.00
Flo Control 1-1/2" X 2" 5 Lb Check Valve CHECKVLV5LB Check Valves
SpaCare
$39.00
Flo Control 1-1/2" X 2" 5 Lb Check Valve CHECKVLV5LB Check Valves
SpaCare
$2.62
1PCS 1/2" 3/4" 1" BSPP Female Brass Check Valve Non-Return With Steel Strainer Filter For Water
Aliexpress
$2.62
1PCS 1/2" 3/4" 1" BSPP Female Brass Check Valve Non-Return With Steel Strainer Filter For Water
Aliexpress
$170.95
Watts 0061888 9DM2, 3/4" Brass Dual Check Valve With Intermediate Atmospheric Vent | Supplyhouse.Com
SupplyHouse.com
9
$170.95
Watts 0061888 9DM2, 3/4" Brass Dual Check Valve With Intermediate Atmospheric Vent | Supplyhouse.Com
SupplyHouse.com
9
$26.99
Campbell 1/2 in. D X 1/2 in. D FIP Red Brass Spring Loaded Check Valve
Ace Hardware
$26.99
Campbell 1/2 in. D X 1/2 in. D FIP Red Brass Spring Loaded Check Valve
Ace Hardware
$9.37
Merrill CVB150, 100 Series 1-1/2" Plastic Check Valve
PrimeBuy
$9.37
Merrill CVB150, 100 Series 1-1/2" Plastic Check Valve
PrimeBuy
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    Shop water heater check valve

    Sponsored
    About our ads
    $54.02
    Watts LF7RU2-2 Lead-Free Brass MPT Dual Check Valve, 3/4-Inch, 1-Piece
    Amazon.com
    72
    Free shipping
    $54.02
    Watts LF7RU2-2 Lead-Free Brass MPT Dual Check Valve, 3/4-Inch, 1-Piece
    Amazon.com
    72
    $30.43
    Ralston Instruments DP0V-0040 DP0V Pressure Check Valves, Brass
    Transcat
    $30.43
    Ralston Instruments DP0V-0040 DP0V Pressure Check Valves, Brass
    Transcat
    $12.79
    Eastman Brass Swing Check Valve, 3/4 Inch Copper Sweat, Brass Plumbing Fitting, 20443LF
    Amazon.com
    44
    $12.79
    Eastman Brass Swing Check Valve, 3/4 Inch Copper Sweat, Brass Plumbing Fitting, 20443LF
    Amazon.com
    44
    $767.07
    $905.09
    Watts LF007 Series 2" Lead-Free Copper Silicon Alloy Double Check Valve Backflow Preventer Assembly, Quarter Turn Shutoff, Single Top Entry, NPT
    Amazon.com
    1
    Free shipping
    15% off
    $767.07
    $905.09
    Watts LF007 Series 2" Lead-Free Copper Silicon Alloy Double Check Valve Backflow Preventer Assembly, Quarter Turn Shutoff, Single Top Entry, NPT
    Amazon.com
    1
    $104.73
    $150.57
    Watts 9D Series 3/4" Brass Dual Check Valve Backflow Preventer, Union Female NPT Inlet X Female NPT Outlet, Intermediate Atmospheric Vent, Compact
    Amazon.com
    96
    Free shipping
    30% off
    $104.73
    $150.57
    Watts 9D Series 3/4" Brass Dual Check Valve Backflow Preventer, Union Female NPT Inlet X Female NPT Outlet, Intermediate Atmospheric Vent, Compact
    Amazon.com
    96
    $31.99
    1/8 1/4 3/8 1/2 Inch G Female Thread 304 Stainless Steel Check Valve One Way Non-Return Valve For Water Oil Gas Check Valve(1/2 Inch)
    Amazon.com
    4
    $31.99
    1/8 1/4 3/8 1/2 Inch G Female Thread 304 Stainless Steel Check Valve One Way Non-Return Valve For Water Oil Gas Check Valve(1/2 Inch)
    Amazon.com
    4
    $39.99
    1/2 Inch 9D-M3 Backflow Preventer Brass Dual Check Valve With Intermediate Atmospheric Vent,1/2 Inch,Female Union Inlet And Outlet,190T012,Replacement
    Amazon.com
    Free shipping
    $39.99
    1/2 Inch 9D-M3 Backflow Preventer Brass Dual Check Valve With Intermediate Atmospheric Vent,1/2 Inch,Female Union Inlet And Outlet,190T012,Replacement
    Amazon.com
    Free shipping
    $90.10
    $96.00
    Watts LF7R Series 1/2" X 1/2" Lead-Free Brass Residential Dual Check Valve Backflow Preventer, Union Female NPT Inlet X Female NPT Outlet, Compact
    Amazon.com
    2
    Free shipping
    $90.10
    $96.00
    Watts LF7R Series 1/2" X 1/2" Lead-Free Brass Residential Dual Check Valve Backflow Preventer, Union Female NPT Inlet X Female NPT Outlet, Compact
    Amazon.com
    2
    $31.99
    2" NPT Horizontal Check Valve, Brass Non Return Swing Check Valve To Prevent Water Backflow, Level One Way Counterflow Valve To Prevent The Medium
    Amazon.com
    89
    $31.99
    2" NPT Horizontal Check Valve, Brass Non Return Swing Check Valve To Prevent Water Backflow, Level One Way Counterflow Valve To Prevent The Medium
    Amazon.com
    89
    $34.15
    Valterra 200-CU15 PVC Swing/Spring Combination Check Valve, Clear, 1-1/2" Union
    Amazon.com
    132
    $34.15
    Valterra 200-CU15 PVC Swing/Spring Combination Check Valve, Clear, 1-1/2" Union
    Amazon.com
    132
    $9.64
    $11.29
    Homewerks VCKP40E5B PVC Schedule 40, 1-Inch In-Line Check Valve, X Solvent, 1 Inch, White
    Amazon.com
    375
    14% off
    $9.64
    $11.29
    Homewerks VCKP40E5B PVC Schedule 40, 1-Inch In-Line Check Valve, X Solvent, 1 Inch, White
    Amazon.com
    375
    $28.99
    Zejoot 3" Backflow Preventer Vavle,3 Inch Backwater Check Valve, Drain Backflow Preventer Valve Prevents Sewage And Rainwater From Flowing Back
    Amazon.com
    4
    $28.99
    Zejoot 3" Backflow Preventer Vavle,3 Inch Backwater Check Valve, Drain Backflow Preventer Valve Prevents Sewage And Rainwater From Flowing Back
    Amazon.com
    4
    $14.99
    Hooshing 2PCS Brass Check Valve 1/2" NPT Female Thread One Way Backflow Preventer In-Line Vertical Check Valves
    Amazon.com
    6
    $14.99
    Hooshing 2PCS Brass Check Valve 1/2" NPT Female Thread One Way Backflow Preventer In-Line Vertical Check Valves
    Amazon.com
    6
    $24.57
    Sharkbite Max 3/4 Inch Check Valve, Push To Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, UR2016A
    Amazon.com
    114
    $24.57
    Sharkbite Max 3/4 Inch Check Valve, Push To Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, UR2016A
    Amazon.com
    114
    $12.99
    Boltigen 1/2 Inch NPT Thread Stainless Steel Spring Check Valve, Non Return One Way Horizontal Check Valve, Vertical Inline Water Check Valves For
    Amazon.com
    34
    $12.99
    Boltigen 1/2 Inch NPT Thread Stainless Steel Spring Check Valve, Non Return One Way Horizontal Check Valve, Vertical Inline Water Check Valves For
    Amazon.com
    34
    $15.19
    Push-In Check Valve 4mm & G1/8' Male Brass/PBT 0.2-10Bar (3-145Psi) Hose-Thread
    Tameson.com
    $15.19
    Push-In Check Valve 4mm & G1/8' Male Brass/PBT 0.2-10Bar (3-145Psi) Hose-Thread
    Tameson.com
    $226.44
    $404.99
    Zurn Wilkins 1-350 1" 350 Double Check Backflow Preventer
    Amazon.com
    76
    Free shipping
    44% off
    $226.44
    $404.99
    Zurn Wilkins 1-350 1" 350 Double Check Backflow Preventer
    Amazon.com
    76
    $36.13
    $41.53
    Valterra 200-CU20 PVC Swing/Spring Combination Check Valve, Clear, 2" Union
    Amazon.com
    225
    Free shipping
    13% off
    $36.13
    $41.53
    Valterra 200-CU20 PVC Swing/Spring Combination Check Valve, Clear, 2" Union
    Amazon.com
    225