Apply to be a TradeMaster!
Filter menu expanded

Filters

238 items
Reset

SORT

Top Sellers
Default
Price ▲
Price ▼

Product Availability

Show In Stock Only (167)

Brand

Apollo Valves (39)
Bluefin (30)
Bonomi (11)
Boshart (10)
Caleffi (14)
Everflow (17)
Legend Valve (6)
Matco-Norca (6)
Nibco (58)
Viega (6)
See More

Size

1/4" (4)
3/8" (5)
1/2" (37)
3/4" (42)
1" (35)
1-1/4" (30)
1-1/2" (27)
2" (24)
2-1/2" (7)
3" (11)
See More

Connection Type

C x C (51)
Expansion PEX x Expansion PEX (1)
Flanged x Flanged (12)
FNPT x FNPT (120)
G-Thread x G-Thread (2)
MNPT x MNPT (8)
MPT x FPT (1)
Press x Press (31)
Sweat (4)
Wafer (6)

Connection Method

Flanged (11)
PEX (1)
Press (33)
Sweat (51)
Threaded (125)

Material

Brass (103)
Bronze (80)
Cast Bronze (1)
Cast Iron (16)
DZR Brass (11)
Stainless Steel (26)

Review Score

(54)
(7)
(1)
(3)

Price Range

$5 to $10 (5)
$10 to $15 (7)
$15 to $20 (9)
$20 to $25 (14)
$25 to $30 (7)
$30 to $35 (6)
$35 to $40 (3)
$40 to $45 (3)
$45 to $50 (11)
$50 to $60 (14)
See More

Check Valves

Help Face
Need a little help?
View our Resources
238 items
Grid
List

Resources

Articles

More About Check Valves

A check valve ensures that water only flows in a single direction of a plumbing system. This prevents contaminated water from flowing back into the system once it has been used. The most common type of check valve is the swing check. A swing check is a type of valve that contains a hinged panel that opens and closes as liquid flows through it. When liquid enters a swing check, pressure increases and the hinged panel is lifted. This allows the liquid to flow through and exit the system. The check valve's hinge serves as a one way street and liquid cannot flow through in the opposing direction.

The average home plumbing system operates between 35 to 55 psi, depending on the pressure regulator's setting. If the street pressure falls below the house pressure, water will flow back into the city system. A check valve prevents this from happening. Check valves are also commonly used in sump, pond, and sewage pump applications. They are also used in closed loop solar applications to prevent thermal siphoning. Check valves should be installed horizontally in a plumbing system.

If vertical installation is required, a Spring Loaded Check Valve is recommended.

Hydrovalve check valves are available in two standard connection types: Female Threaded (IPS) or Sweat (CxC). 1/2" and 3/4" check valves are the most common sizes sold on our website, however sizes are available from 1/2" to 4".
Questions?
MondayThursday
8am7:45pm
Friday
9am7:45pm
SaturdaySunday
9am5:45pm
Compare
Product Image of 1" Threaded Spring Loaded Check Valve, Lead Free
$18.36 each
BOX UP & SAVE 17%
$152.90 box of 10
$15.29 each
In Stock
Fast Track Logo
Get 1,708 by Wed, Jun 25
In Stock
Fast Track Logo
Get 1,708 by Wed, Jun 25
Compare
Product Image of 3/4" Threaded Spring Loaded Check Valve, Lead Free
$13.89 each
BOX UP & SAVE 14%
$144.12 box of 12
$12.01 each
In Stock
Fast Track Logo
Get 985 by Wed, Jun 25
In Stock
Fast Track Logo
Get 985 by Wed, Jun 25
Compare
Product Image of 3/4" P-450NL Press Inline Check Valve
3/4" P-450NL Press Inline Check Valve
SKU: 105-454NL
Legend Valve
SKU: 105-454NL
Brand: Legend Valve
(5)
$18.45 each
BOX UP & SAVE 6%
$139.04 box of 8
$17.38 each
In Stock
Fast Track Logo
Get 932 by Wed, Jun 25
In Stock
Fast Track Logo
Get 932 by Wed, Jun 25
Compare
Product Image of 1/2" Threaded Spring Loaded Check Valve, Lead Free
$7.74 each
BOX UP & SAVE 18%
$95.10 box of 15
$6.34 each
In Stock
Fast Track Logo
Get 1,117 by Wed, Jun 25
In Stock
Fast Track Logo
Get 1,117 by Wed, Jun 25
Compare
Product Image of 3/4" Threaded Swing Check Valve, Lead Free
$11.02 each
BOX UP & SAVE 14%
$113.40 box of 12
$9.45 each
In Stock
Fast Track Logo
Get 996 by Wed, Jun 25
In Stock
Fast Track Logo
Get 996 by Wed, Jun 25
Compare
Product Image of 1/2" Threaded Swing Check Valve, Lead Free
$7.77 each
BOX UP & SAVE 19%
$75.12 box of 12
$6.26 each
In Stock
Fast Track Logo
Get 917 by Wed, Jun 25
In Stock
Fast Track Logo
Get 917 by Wed, Jun 25
Compare
Product Image of 1-1/4" Threaded Spring Loaded Check Valve, Lead Free
$33.16 each
BOX UP & SAVE 13%
$230.88 box of 8
$28.86 each
In Stock
Fast Track Logo
Get 226 by Wed, Jun 25
In Stock
Fast Track Logo
Get 226 by Wed, Jun 25
Compare
Product Image of 1" Threaded Swing Check Valve, Lead Free
1" Threaded Swing Check Valve, Lead Free
SKU: SCT100
Bluefin
SKU: SCT100
Brand: Bluefin
(33)
$15.53 each
BOX UP & SAVE 13%
$134.40 box of 10
$13.44 each
In Stock
Fast Track Logo
Get 445 by Wed, Jun 25
In Stock
Fast Track Logo
Get 445 by Wed, Jun 25
Compare
Product Image of 3/4" Solder Ends Swing Check Valve, Lead Free
$9.73 each
BOX UP & SAVE 14%
$99.96 box of 12
$8.33 each
In Stock
Fast Track Logo
Get 1,782 by Wed, Jun 25
In Stock
Fast Track Logo
Get 1,782 by Wed, Jun 25
Compare
Product Image of 1/2" P-450NL Press Inline Check Valve
$14.83 each
BOX UP & SAVE 7%
$274.60 box of 20
$13.73 each
In Stock
Fast Track Logo
Get 342 by Wed, Jun 25
In Stock
Fast Track Logo
Get 342 by Wed, Jun 25
Compare
Product Image of 1" Stainless Steel Check Valve, 200 PSI
1" Stainless Steel Check Valve, 200 PSI
SKU: SLCT100-SL
Bluefin
SKU: SLCT100-SL
Brand: Bluefin
$24.89 each
In Stock
Fast Track Logo
Get 305 by Wed, Jun 25
In Stock
Fast Track Logo
Get 305 by Wed, Jun 25
Compare
Product Image of 1/2" Solder Ends Swing Check Valve, Lead Free
$7.13 each
BOX UP & SAVE 12%
$75.00 box of 12
$6.25 each
In Stock
Fast Track Logo
Get 758 by Wed, Jun 25
In Stock
Fast Track Logo
Get 758 by Wed, Jun 25
Compare
Product Image of 3/4" Press Swing Check Valve (Lead Free)
3/4" Press Swing Check Valve (Lead Free)
SKU: PRSC075
Bluefin
SKU: PRSC075
Brand: Bluefin
(3)
$24.30 each
BOX UP & SAVE 7%
$112.75 box of 5
$22.55 each
In Stock
Fast Track Logo
Get 484 by Wed, Jun 25
In Stock
Fast Track Logo
Get 484 by Wed, Jun 25
Compare
Product Image of 2" Threaded Swing Check Valve, Lead Free
2" Threaded Swing Check Valve, Lead Free
SKU: SCT200
Bluefin
SKU: SCT200
Brand: Bluefin
(37)
$45.77 each
BOX UP & SAVE 13%
$79.40 box of 2
$39.70 each
In Stock
Fast Track Logo
Get 423 by Wed, Jun 25
In Stock
Fast Track Logo
Get 423 by Wed, Jun 25
Compare
Product Image of 1-1/4" Threaded Swing Check Valve, Lead Free
$23.40 each
BOX UP & SAVE 13%
$81.36 box of 4
$20.34 each
In Stock
Fast Track Logo
Get 381 by Wed, Jun 25
In Stock
Fast Track Logo
Get 381 by Wed, Jun 25
Compare
Product Image of 3/4" Sweat Spring Loaded Check Valve, Lead Free
$29.48 each
In Stock
Fast Track Logo
Get 51 by Wed, Jun 25
In Stock
Fast Track Logo
Get 51 by Wed, Jun 25
Compare
Product Image of 1-1/2" Threaded Swing Check Valve, Lead Free
$29.41 each
BOX UP & SAVE 12%
$129.40 box of 5
$25.88 each
In Stock
Fast Track Logo
Get 318 by Wed, Jun 25
In Stock
Fast Track Logo
Get 318 by Wed, Jun 25
Compare
Product Image of 2" Threaded Spring Loaded Check Valve, Lead Free
$58.79 each
BOX UP & SAVE 18%
$242.50 box of 5
$48.50 each
In Stock
Fast Track Logo
Get 256 by Wed, Jun 25
In Stock
Fast Track Logo
Get 256 by Wed, Jun 25
Compare
Product Image of 3/4" Sweat Spring Loaded Check Valve, Lead Free
$10.79 each
BOX UP & SAVE 16%
$90.90 box of 10
$9.09 each
In Stock
Fast Track Logo
Get 328 by Wed, Jun 25
In Stock
Fast Track Logo
Get 328 by Wed, Jun 25
Compare
Product Image of 1" Solder Ends Swing Check Valve, Lead Free
$16.58 each
BOX UP & SAVE 16%
$69.25 box of 5
$13.85 each
In Stock
Fast Track Logo
Get 321 by Wed, Jun 25
In Stock
Fast Track Logo
Get 321 by Wed, Jun 25
Compare
Product Image of 1-1/2" Threaded Spring Loaded Check Valve, Lead Free
$31.93 each
BOX UP & SAVE 13%
$139.00 box of 5
$27.80 each
In Stock
Fast Track Logo
Get 164 by Wed, Jun 25
In Stock
Fast Track Logo
Get 164 by Wed, Jun 25
Compare
Product Image of 1/2" Press Swing Check Valve (Lead Free)
1/2" Press Swing Check Valve (Lead Free)
SKU: PRSC050
Bluefin
SKU: PRSC050
Brand: Bluefin
(1)
$11.00 each
BOX UP & SAVE 8%
$50.60 box of 5
$10.12 each
Backorder
Get it by Thu, Sep 18 - Fri, Dec 12
Backorder
Get it by Thu, Sep 18 - Fri, Dec 12
Compare
Product Image of 1" P-450NL Press Inline Check Valve
1" P-450NL Press Inline Check Valve
SKU: 105-455NL
Legend Valve
SKU: 105-455NL
Brand: Legend Valve
(1)
$24.03 each
BOX UP & SAVE 6%
$226.60 box of 10
$22.66 each
In Stock
Fast Track Logo
Get 83 by Wed, Jun 25
In Stock
Fast Track Logo
Get 83 by Wed, Jun 25
Compare
Product Image of 1" Press Swing Check Valve (Lead Free)
1" Press Swing Check Valve (Lead Free)
SKU: PRSC100
Bluefin
SKU: PRSC100
Brand: Bluefin
(1)
$22.46 each
BOX UP & SAVE 7%
$104.35 box of 5
$20.87 each
In Stock
Fast Track Logo
Get 151 by Wed, Jun 25
In Stock
Fast Track Logo
Get 151 by Wed, Jun 25
Compare
Product Image of 1" Threaded Spring Loaded Check Valve (Stainless Steel)
$29.06 each
In Stock
Fast Track Logo
Get 63 by Wed, Jun 25
In Stock
Fast Track Logo
Get 63 by Wed, Jun 25
Compare
Product Image of 1-1/2" P-450NL Press Inline Check Valve
$50.86 each
In Stock
Fast Track Logo
Get 83 by Wed, Jun 25
In Stock
Fast Track Logo
Get 83 by Wed, Jun 25
Compare
Product Image of 3/4" LFWCV Lead Free Brass Swing Check Valve
3/4" LFWCV Lead Free Brass Swing Check Valve
SKU: 0123495
Watts
SKU: 0123495
Brand: Watts
(2)
$23.15 each
BOX UP & SAVE 1%
$229.50 box of 10
$22.95 each
In Stock
Fast Track Logo
Get 33 by Wed, Jun 25
In Stock
Fast Track Logo
Get 33 by Wed, Jun 25
Compare
Product Image of 1/2" Sweat Spring Loaded Check Valve, Lead Free
$8.19 each
BOX UP & SAVE 17%
$67.90 box of 10
$6.79 each
In Stock
Fast Track Logo
Get 274 by Wed, Jun 25
In Stock
Fast Track Logo
Get 274 by Wed, Jun 25
Compare
Product Image of 1-1/4" Threaded Spring Loaded Check Valve (Stainless Steel)
$57.36 each
In Stock
Fast Track Logo
Get 19 by Wed, Jun 25
In Stock
Fast Track Logo
Get 19 by Wed, Jun 25
Compare
Product Image of 1/2" Sweat Spring Loaded Check Valve, Lead Free
$23.01 each
In Stock
Fast Track Logo
Get 24 by Wed, Jun 25
In Stock
Fast Track Logo
Get 24 by Wed, Jun 25
Compare
Product Image of 1-1/4" P-450NL Press Inline Check Valve
$37.07 each
In Stock
Fast Track Logo
Get 46 by Wed, Jun 25
In Stock
Fast Track Logo
Get 46 by Wed, Jun 25
Compare
Product Image of 2" P-450NL Press Inline Check Valve
$79.73 each
In Stock
Fast Track Logo
Get 36 by Wed, Jun 25
In Stock
Fast Track Logo
Get 36 by Wed, Jun 25
Compare
Product Image of 3" Threaded Swing Check Valve (Lead Free)
$138.34 each
In Stock
Fast Track Logo
Get 56 by Wed, Jun 25
In Stock
Fast Track Logo
Get 56 by Wed, Jun 25
Compare
Product Image of 1" Sweat Spring Loaded Check Valve, Lead Free
$49.09 each
In Stock
Fast Track Logo
Get 43 by Wed, Jun 25
In Stock
Fast Track Logo
Get 43 by Wed, Jun 25
Compare
Product Image of 1-1/2" Solder Ends Swing Check Valve, Lead Free
$29.19 each
BOX UP & SAVE 13%
$126.70 box of 5
$25.34 each
In Stock
Fast Track Logo
Get 103 by Wed, Jun 25
In Stock
Fast Track Logo
Get 103 by Wed, Jun 25
Compare
Product Image of 1" Sweat Spring Loaded Check Valve, Lead Free
$17.05 each
BOX UP & SAVE 15%
$86.58 box of 6
$14.43 each
In Stock
Fast Track Logo
Get 36 by Wed, Jun 25
In Stock
Fast Track Logo
Get 36 by Wed, Jun 25
Compare
Product Image of 1" FIP In-Line Spring Loaded Check Valve (Lead Free)
$45.46 each
Out of Stock
Get it by Wed, Jul 9 - Wed, Jul 16
Out of Stock
Get it by Wed, Jul 9 - Wed, Jul 16
Compare
Product Image of 1-1/4" Solder Ends Swing Check Valve, Lead Free
$24.53 each
BOX UP & SAVE 14%
$84.24 box of 4
$21.06 each
In Stock
Fast Track Logo
Get 193 by Wed, Jun 25
In Stock
Fast Track Logo
Get 193 by Wed, Jun 25
Compare
Product Image of 2-1/2" Threaded Swing Check Valve (Lead Free)
$90.84 each
In Stock
Fast Track Logo
Get 72 by Wed, Jun 25
In Stock
Fast Track Logo
Get 72 by Wed, Jun 25
Compare
Product Image of 3/4" Threaded Spring Loaded Check Valve (Stainless Steel)
$30.33 each
In Stock
Fast Track Logo
Get 85 by Wed, Jun 25
In Stock
Fast Track Logo
Get 85 by Wed, Jun 25
Compare
Product Image of 3/4" Threaded LF600 Check Valve
3/4" Threaded LF600 Check Valve
SKU: 0555176
Watts
SKU: 0555176
Brand: Watts
(6)
$110.43 each
In Stock
Fast Track Logo
Get 25 by Wed, Jun 25
In Stock
Fast Track Logo
Get 25 by Wed, Jun 25
Compare
Product Image of 2" Solder Ends Swing Check Valve, Lead Free
$36.67 each
BOX UP & SAVE 12%
$97.26 box of 3
$32.42 each
In Stock
Fast Track Logo
Get 136 by Wed, Jun 25
In Stock
Fast Track Logo
Get 136 by Wed, Jun 25
Compare
Product Image of 1" Stainless Steel Check Valve, 400 PSI
1" Stainless Steel Check Valve, 400 PSI
SKU: 17-4201SS2
Boshart
SKU: 17-4201SS2
Brand: Boshart
(3)
$52.49 each
In Stock
Fast Track Logo
Get 22 by Wed, Jun 25
In Stock
Fast Track Logo
Get 22 by Wed, Jun 25
Compare
Product Image of 1/2" Threaded Bronze Spring Check Valve
$48.17 each
In Stock
Fast Track Logo
Get 8 by Wed, Jun 25
In Stock
Fast Track Logo
Get 8 by Wed, Jun 25
Compare
Product Image of 1/2" Threaded Spring Loaded Check Valve, Lead Free
$12.77 each
BOX UP & SAVE 10%
$172.50 box of 15
$11.50 each
In Stock
Fast Track Logo
Get 61 by Wed, Jun 25
In Stock
Fast Track Logo
Get 61 by Wed, Jun 25
Compare
Product Image of 3/4" Threaded Bronze Spring Check Valve
$68.38 each
In Stock
Fast Track Logo
Get 55 by Wed, Jun 25
In Stock
Fast Track Logo
Get 55 by Wed, Jun 25
Compare
Product Image of 1-1/4" Sweat Spring Loaded Check Valve, Lead Free
$24.66 each
BOX UP & SAVE 15%
$83.96 box of 4
$20.99 each
In Stock
Fast Track Logo
Get 29 by Wed, Jun 25
In Stock
Fast Track Logo
Get 29 by Wed, Jun 25
Compare
Product Image of 1-1/2" Sweat Spring Loaded Check Valve, Lead Free
1-1/2" Sweat Spring Loaded Check Valve, Lead Free
SKU: SLCS150
Bluefin
SKU: SLCS150
Brand: Bluefin
(63)
$28.34 each
BOX UP & SAVE 16%
$119.10 box of 5
$23.82 each
In Stock
Fast Track Logo
Get 53 by Wed, Jun 25
In Stock
Fast Track Logo
Get 53 by Wed, Jun 25
Resources
FAQs, Manuals & Videos
Articles
More About Check Valves
A check valve ensures that water only flows in a single direction of a plumbing system. This prevents contaminated water from flowing back into the system once it has been used. The most common type of check valve is the swing check. A swing check is a type of valve that contains a hinged panel that opens and closes as liquid flows through it. When liquid enters a swing check, pressure increases and the hinged panel is lifted. This allows the liquid to flow through and exit the system. The check valve's hinge serves as a one way street and liquid cannot flow through in the opposing direction.

The average home plumbing system operates between 35 to 55 psi, depending on the pressure regulator's setting. If the street pressure falls below the house pressure, water will flow back into the city system. A check valve prevents this from happening. Check valves are also commonly used in sump, pond, and sewage pump applications. They are also used in closed loop solar applications to prevent thermal siphoning. Check valves should be installed horizontally in a plumbing system.

If vertical installation is required, a Spring Loaded Check Valve is recommended.

Hydrovalve check valves are available in two standard connection types: Female Threaded (IPS) or Sweat (CxC). 1/2" and 3/4" check valves are the most common sizes sold on our website, however sizes are available from 1/2" to 4".
Filter & Sort
238 items
Reset

SORT

Top Sellers
Default
Price ▲
Price ▼

Product Availability

Show In Stock Only (167)

Brand

Apollo Valves (39)
Bluefin (30)
Bonomi (11)
Boshart (10)
Caleffi (14)
Everflow (17)
Legend Valve (6)
Matco-Norca (6)
Nibco (58)
Viega (6)
See More

Size

1/4" (4)
3/8" (5)
1/2" (37)
3/4" (42)
1" (35)
1-1/4" (30)
1-1/2" (27)
2" (24)
2-1/2" (7)
3" (11)
See More

Connection Type

C x C (51)
Expansion PEX x Expansion PEX (1)
Flanged x Flanged (12)
FNPT x FNPT (120)
G-Thread x G-Thread (2)
MNPT x MNPT (8)
MPT x FPT (1)
Press x Press (31)
Sweat (4)
Wafer (6)

Connection Method

Flanged (11)
PEX (1)
Press (33)
Sweat (51)
Threaded (125)

Material

Brass (103)
Bronze (80)
Cast Bronze (1)
Cast Iron (16)
DZR Brass (11)
Stainless Steel (26)

Review Score

(54)
(7)
(1)
(3)

Price Range

$5 to $10 (5)
$10 to $15 (7)
$15 to $20 (9)
$20 to $25 (14)
$25 to $30 (7)
$30 to $35 (6)
$35 to $40 (3)
$40 to $45 (3)
$45 to $50 (11)
$50 to $60 (14)
See More
Clear All