Shop hot water heater check valve

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$54.60
Eastman Brass Swing Check Valve, 2 Inch IPS, Brass Plumbing Fitting, 20431LF
Amazon.com
59
Free shipping
$54.60
Eastman Brass Swing Check Valve, 2 Inch IPS, Brass Plumbing Fitting, 20431LF
Amazon.com
59
$57.09
Watts LF7RU2-2 Lead-Free Brass MPT Dual Check Valve, 3/4-Inch, 1-Piece
Amazon.com
70
Free shipping
$57.09
Watts LF7RU2-2 Lead-Free Brass MPT Dual Check Valve, 3/4-Inch, 1-Piece
Amazon.com
70
$12.79
Eastman Brass Swing Check Valve, 3/4 Inch Copper Sweat, Brass Plumbing Fitting, 20443LF
Amazon.com
46
$12.79
Eastman Brass Swing Check Valve, 3/4 Inch Copper Sweat, Brass Plumbing Fitting, 20443LF
Amazon.com
46
$126.26
$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
97
Free shipping
16% off
$126.26
$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
97
$22.50
In-Line Check Valve No-Lead Brass Backflow Prevention, Lead-Free Brass Construction, Universal 1-1/4 Inch One-Way Female Pipe Thread,1.25'' FNPT ×
Amazon.com
$22.50
In-Line Check Valve No-Lead Brass Backflow Prevention, Lead-Free Brass Construction, Universal 1-1/4 Inch One-Way Female Pipe Thread,1.25'' FNPT ×
Amazon.com
$193.00
Check Valve: Piston, Inline Valve Body, 2 in Pipe Size, FNPT X FNPT, Female, NPT Model: 06H021N01020
Grainger
$193.00
Check Valve: Piston, Inline Valve Body, 2 in Pipe Size, FNPT X FNPT, Female, NPT Model: 06H021N01020
Grainger
$817.40
Watts LF007 Series 2" Lead-Free Copper Silicon Alloy Double Check Valve Backflow Preventer Assembly, Quarter Turn Shutoff, Single Top Entry, NPT
Amazon.com
7
Free shipping
$817.40
Watts LF007 Series 2" Lead-Free Copper Silicon Alloy Double Check Valve Backflow Preventer Assembly, Quarter Turn Shutoff, Single Top Entry, NPT
Amazon.com
7
$294.95
Watts LF007 Series 3/4" Lead-Free Copper Silicon Alloy Double Check Valve Backflow Preventer Assembly, Quarter Turn Shutoff, Single Top Entry, NPT
Amazon.com
7
Free shipping
$294.95
Watts LF007 Series 3/4" Lead-Free Copper Silicon Alloy Double Check Valve Backflow Preventer Assembly, Quarter Turn Shutoff, Single Top Entry, NPT
Amazon.com
7
$28.01
Nds Swing Check Valve: Swing, Inline Valve Body, 1 1/2 in Pipe Size, FIP X FIP, PVC, 14F To 140F Model: 1520-15F
Grainger
1
$28.01
Nds Swing Check Valve: Swing, Inline Valve Body, 1 1/2 in Pipe Size, FIP X FIP, PVC, 14F To 140F Model: 1520-15F
Grainger
1
$1,050.78
Watts Double Check Valve Assembly: LF719, 1/2 in Pipe Size, FIP X FIP, 12.56 in Overall Lg, Bronze Model: LF719-QT-S
Grainger
$1,050.78
Watts Double Check Valve Assembly: LF719, 1/2 in Pipe Size, FIP X FIP, 12.56 in Overall Lg, Bronze Model: LF719-QT-S
Grainger
$23.99
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(1/4 Inch)
Amazon.com
23
$23.99
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(1/4 Inch)
Amazon.com
23
$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
10
$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
10
$23.79
Nds Swing Check Valve: Swing, Inline Valve Body, 1 1/4 in Pipe Size, FIP X FIP, PVC, 14F To 140F Model: 1520-12F
Grainger
$23.79
Nds Swing Check Valve: Swing, Inline Valve Body, 1 1/4 in Pipe Size, FIP X FIP, PVC, 14F To 140F Model: 1520-12F
Grainger
$37.03
$39.24
Sharkbite 1 Inch Check Valve, Push To Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, U2020-0000LFA
Amazon.com
938
Free shipping
$37.03
$39.24
Sharkbite 1 Inch Check Valve, Push To Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, U2020-0000LFA
Amazon.com
938
$11.94
$13.17
Eastman Brass Swing Check Valve, 1 Inch IPS, Brass Plumbing Fitting, 20425LF
Amazon.com
69
$11.94
$13.17
Eastman Brass Swing Check Valve, 1 Inch IPS, Brass Plumbing Fitting, 20425LF
Amazon.com
69
$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
$116.81
Watts Dual Check Valve: LF7, 3/4 in Pipe Size, FNPT X FNPT, 3.63 in Overall Lg, Copper Silicon Alloy Model: 3/4 LF7 U2-2
Grainger
$116.81
Watts Dual Check Valve: LF7, 3/4 in Pipe Size, FNPT X FNPT, 3.63 in Overall Lg, Copper Silicon Alloy Model: 3/4 LF7 U2-2
Grainger
$36.13
$41.53
Valterra 200-CU20 PVC Swing/Spring Combination Check Valve, Clear, 2" Union
Amazon.com
206
Free shipping
13% off
$36.13
$41.53
Valterra 200-CU20 PVC Swing/Spring Combination Check Valve, Clear, 2" Union
Amazon.com
206
$452.36
Watts T063231 3/4" Lead Free Double Check Valve Assembly W/ Freeze Sensor (LF007M3-QT-FZ) | Supplyhouse.Com
SupplyHouse.com
47
$452.36
Watts T063231 3/4" Lead Free Double Check Valve Assembly W/ Freeze Sensor (LF007M3-QT-FZ) | Supplyhouse.Com
SupplyHouse.com
47
$418.91
Watts T063230 1/2" LF007-QT-FZ Lead Free Double Check Valve Assembly W/ Freeze Sensor Connectivity | Supplyhouse.Com
SupplyHouse.com
47
$418.91
Watts T063230 1/2" LF007-QT-FZ Lead Free Double Check Valve Assembly W/ Freeze Sensor Connectivity | Supplyhouse.Com
SupplyHouse.com
47
$873.41
Watts Double Check Valve Assembly: 007, 1 in Pipe Size, FNPT X FNPT, 17.94 in Overall Lg, Bronze Model: 007MIQTS-1
Grainger
$873.41
Watts Double Check Valve Assembly: 007, 1 in Pipe Size, FNPT X FNPT, 17.94 in Overall Lg, Bronze Model: 007MIQTS-1
Grainger
$21.59
Eastman Brass Swing Check Valve, 1-1/2 Inch IPS, Brass Plumbing Fitting, 20429LF
Amazon.com
89
$21.59
Eastman Brass Swing Check Valve, 1-1/2 Inch IPS, Brass Plumbing Fitting, 20429LF
Amazon.com
89
$9.64
$11.29
Homewerks VCKP40E5B PVC Schedule 40, 1-Inch In-Line Check Valve, X Solvent, 1 Inch, White
Amazon.com
352
14% off
$9.64
$11.29
Homewerks VCKP40E5B PVC Schedule 40, 1-Inch In-Line Check Valve, X Solvent, 1 Inch, White
Amazon.com
352
$40.95
Swing Check Valve: Swing, Inline Valve Body, 1/2 in Pipe Size, Sweat X Sweat, Brass Model: 10F328
Grainger
$40.95
Swing Check Valve: Swing, Inline Valve Body, 1/2 in Pipe Size, Sweat X Sweat, Brass Model: 10F328
Grainger
$20.49
Sharkbite Max 1/2 Inch Check Valve, Push To Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, UR2008A
Amazon.com
12
$20.49
Sharkbite Max 1/2 Inch Check Valve, Push To Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, UR2008A
Amazon.com
12
$336.03
Watts SD-3 Series 3/8" Stainless Steel Dual Check Valve Backflow Preventer For Beverage Machine, Male NPT Inlet X Male NPT Outlet, Atmospheric Vent,
Amazon.com
Free shipping
$336.03
Watts SD-3 Series 3/8" Stainless Steel Dual Check Valve Backflow Preventer For Beverage Machine, Male NPT Inlet X Male NPT Outlet, Atmospheric Vent,
Amazon.com
Free shipping
$29.98
H2OPRO Check Valve - 1 in. Brass | 024769
Lowe's
21
$29.98
H2OPRO Check Valve - 1 in. Brass | 024769
Lowe's
21
$15.22
Nds Swing Check Valve: Swing, Inline Valve Body, 1/2 in Pipe Size, FIP X FIP, PVC, 14F To 140F Model: 1520-05F
Grainger
$15.22
Nds Swing Check Valve: Swing, Inline Valve Body, 1/2 in Pipe Size, FIP X FIP, PVC, 14F To 140F Model: 1520-05F
Grainger
$252.99
WATTS Watts 3/4" 9DM2 Double Check Valve, 61888
Zoro.com
97
$252.99
WATTS Watts 3/4" 9DM2 Double Check Valve, 61888
Zoro.com
97
$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
42
$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
42
$43.63
Swing Check Valve: Swing, Inline Valve Body, 1 1/4 in Pipe Size, FNPT X FNPT, Brass Model: 6VDT6
Grainger
$43.63
Swing Check Valve: Swing, Inline Valve Body, 1 1/4 in Pipe Size, FNPT X FNPT, Brass Model: 6VDT6
Grainger
$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
11
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
11
$402.21
Watts Dual Check Valve: SD-3, 3/8 in Pipe Size, FNPT X MNPT, 2.5 Gpm Flow Rate, 4.5 in Overall Lg Model: SD3-MF 3/8"
Grainger
$402.21
Watts Dual Check Valve: SD-3, 3/8 in Pipe Size, FNPT X MNPT, 2.5 Gpm Flow Rate, 4.5 in Overall Lg Model: SD3-MF 3/8"
Grainger
$33.00
H2OPRO 1-1/2-In PVC X MNPT PVC Sch 40 Check Valve | 148176
Lowe's
18
$33.00
H2OPRO 1-1/2-In PVC X MNPT PVC Sch 40 Check Valve | 148176
Lowe's
18
$15.98
RELIABILT 3/4-In FIP X FIP Brass In-Line Check Valve Stainless Steel | 101-304RB
Lowe's
5
$15.98
RELIABILT 3/4-In FIP X FIP Brass In-Line Check Valve Stainless Steel | 101-304RB
Lowe's
5
$56.30
Swing Check Valve: Swing, Inline Valve Body, 1 1/2 in Pipe Size, FNPT X FNPT, Brass Model: 6VDT7
Grainger
$56.30
Swing Check Valve: Swing, Inline Valve Body, 1 1/2 in Pipe Size, FNPT X FNPT, Brass Model: 6VDT7
Grainger
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    Shop hot water heater check valve

    Sponsored
    About our ads
    $54.60
    Eastman Brass Swing Check Valve, 2 Inch IPS, Brass Plumbing Fitting, 20431LF
    Amazon.com
    59
    Free shipping
    $54.60
    Eastman Brass Swing Check Valve, 2 Inch IPS, Brass Plumbing Fitting, 20431LF
    Amazon.com
    59
    $57.09
    Watts LF7RU2-2 Lead-Free Brass MPT Dual Check Valve, 3/4-Inch, 1-Piece
    Amazon.com
    70
    Free shipping
    $57.09
    Watts LF7RU2-2 Lead-Free Brass MPT Dual Check Valve, 3/4-Inch, 1-Piece
    Amazon.com
    70
    $12.79
    Eastman Brass Swing Check Valve, 3/4 Inch Copper Sweat, Brass Plumbing Fitting, 20443LF
    Amazon.com
    46
    $12.79
    Eastman Brass Swing Check Valve, 3/4 Inch Copper Sweat, Brass Plumbing Fitting, 20443LF
    Amazon.com
    46
    $126.26
    $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
    97
    Free shipping
    16% off
    $126.26
    $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
    97
    $22.50
    In-Line Check Valve No-Lead Brass Backflow Prevention, Lead-Free Brass Construction, Universal 1-1/4 Inch One-Way Female Pipe Thread,1.25'' FNPT ×
    Amazon.com
    $22.50
    In-Line Check Valve No-Lead Brass Backflow Prevention, Lead-Free Brass Construction, Universal 1-1/4 Inch One-Way Female Pipe Thread,1.25'' FNPT ×
    Amazon.com
    $193.00
    Check Valve: Piston, Inline Valve Body, 2 in Pipe Size, FNPT X FNPT, Female, NPT Model: 06H021N01020
    Grainger
    $193.00
    Check Valve: Piston, Inline Valve Body, 2 in Pipe Size, FNPT X FNPT, Female, NPT Model: 06H021N01020
    Grainger
    $817.40
    Watts LF007 Series 2" Lead-Free Copper Silicon Alloy Double Check Valve Backflow Preventer Assembly, Quarter Turn Shutoff, Single Top Entry, NPT
    Amazon.com
    7
    Free shipping
    $817.40
    Watts LF007 Series 2" Lead-Free Copper Silicon Alloy Double Check Valve Backflow Preventer Assembly, Quarter Turn Shutoff, Single Top Entry, NPT
    Amazon.com
    7
    $294.95
    Watts LF007 Series 3/4" Lead-Free Copper Silicon Alloy Double Check Valve Backflow Preventer Assembly, Quarter Turn Shutoff, Single Top Entry, NPT
    Amazon.com
    7
    Free shipping
    $294.95
    Watts LF007 Series 3/4" Lead-Free Copper Silicon Alloy Double Check Valve Backflow Preventer Assembly, Quarter Turn Shutoff, Single Top Entry, NPT
    Amazon.com
    7
    $28.01
    Nds Swing Check Valve: Swing, Inline Valve Body, 1 1/2 in Pipe Size, FIP X FIP, PVC, 14F To 140F Model: 1520-15F
    Grainger
    1
    $28.01
    Nds Swing Check Valve: Swing, Inline Valve Body, 1 1/2 in Pipe Size, FIP X FIP, PVC, 14F To 140F Model: 1520-15F
    Grainger
    1
    $1,050.78
    Watts Double Check Valve Assembly: LF719, 1/2 in Pipe Size, FIP X FIP, 12.56 in Overall Lg, Bronze Model: LF719-QT-S
    Grainger
    $1,050.78
    Watts Double Check Valve Assembly: LF719, 1/2 in Pipe Size, FIP X FIP, 12.56 in Overall Lg, Bronze Model: LF719-QT-S
    Grainger
    $23.99
    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(1/4 Inch)
    Amazon.com
    23
    $23.99
    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(1/4 Inch)
    Amazon.com
    23
    $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
    10
    $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
    10
    $23.79
    Nds Swing Check Valve: Swing, Inline Valve Body, 1 1/4 in Pipe Size, FIP X FIP, PVC, 14F To 140F Model: 1520-12F
    Grainger
    $23.79
    Nds Swing Check Valve: Swing, Inline Valve Body, 1 1/4 in Pipe Size, FIP X FIP, PVC, 14F To 140F Model: 1520-12F
    Grainger
    $37.03
    $39.24
    Sharkbite 1 Inch Check Valve, Push To Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, U2020-0000LFA
    Amazon.com
    938
    Free shipping
    $37.03
    $39.24
    Sharkbite 1 Inch Check Valve, Push To Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, U2020-0000LFA
    Amazon.com
    938
    $11.94
    $13.17
    Eastman Brass Swing Check Valve, 1 Inch IPS, Brass Plumbing Fitting, 20425LF
    Amazon.com
    69
    $11.94
    $13.17
    Eastman Brass Swing Check Valve, 1 Inch IPS, Brass Plumbing Fitting, 20425LF
    Amazon.com
    69
    $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
    $116.81
    Watts Dual Check Valve: LF7, 3/4 in Pipe Size, FNPT X FNPT, 3.63 in Overall Lg, Copper Silicon Alloy Model: 3/4 LF7 U2-2
    Grainger
    $116.81
    Watts Dual Check Valve: LF7, 3/4 in Pipe Size, FNPT X FNPT, 3.63 in Overall Lg, Copper Silicon Alloy Model: 3/4 LF7 U2-2
    Grainger
    $36.13
    $41.53
    Valterra 200-CU20 PVC Swing/Spring Combination Check Valve, Clear, 2" Union
    Amazon.com
    206
    Free shipping
    13% off
    $36.13
    $41.53
    Valterra 200-CU20 PVC Swing/Spring Combination Check Valve, Clear, 2" Union
    Amazon.com
    206