Top 9 Check Valve 3/4 Inch – Pool & Spa Replacement Parts

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1. Hot Springs


35233, Watkins Replacement Water Check Valve for Hot Springs Spa, 3/4"

Hot Springs #ad - Heater high-limit tripping - Poor water flow through the check valve could lead to heater high-limit tripping. Item 35233. All water check valves have arrows stamped on the outside to indicate the direction of flow which should be pointer towards the circulation pump.

Works on tiger river spas, Hot Spring Spas, and Limelight Spas. This 3/4" water check valve is installed in the inlet side of the circulation pumps plumbing to prevent the back flow of water through the circulation pump once the jet pump is activated. Verify the check valve is installed with the flow in the correct direction.

Troubling shooting: the symptoms of a non-operative check valve are; * water leak - if water is leaking from around the check valve, it should be replaced. Rattling - a rattling check valve indicates that water is not being allowed to flow properly past/ through the check valve. Ensure the check valve is n.
BrandHot Springs #ad
ManufacturerWatkins #ad
Height1.9 Inches
Length3.9 Inches
Width1.9 Inches
Part NumberHTCP35233 OEM
ModelHTCP35233 OEM



Hunter Sprinkler HC75F75M HCV 3/4-Inch Female Inlet by 3/4-Inch Male Outlet Check Valve

HUNTER #ad - Constructed to schedule 80 specifications, making it more durable and long-lasting than ever. With the hunter hCV, this will never be a problem again. Easily adjust to the proper check height and insert this remarkable product in between the riser and sprinkler head.
BrandHUNTER #ad
ManufacturerStandard Plumbing Supply-LG #ad
Height10 Inches
Length5 Inches
Weight0.1 Pounds
Width7 Inches
Part NumberHC75F75M

3. NDS


NDS 1011-07 3/4" PVC Ips Spring Check Valve S by S 4-1/8" Length

NDS #ad - F. 150 psi working pressure at 73 deg. 1/2 pound spring gives positive seal with no back pressure. Complies with all applicable astm and ANSI standards. F. Connections: 3/4-inch slip by 3/4-inch slip. High-impact pvc type ii material for use in hot or cold fluid systems up to 140 deg.
BrandNDS #ad
ManufacturerNDS Raindrip #ad
Height1.25 Inches
Length4.5 Inches
Weight0.13 Pounds
Width1.25 Inches
Part Number1011-07

4. Hayward


Hayward CX500CV 3/4-Inch Check Valve Replacement for Hayward Chemical Feeders

Hayward #ad - Weighs 5. 1 pounds. Fits hayward chemical feeder models c250br, 500br. Check valve replacement. Weighs 5. 1 pounds.
BrandHayward #ad
ManufacturerHayward #ad
Height8 Inches
Length10 Inches
Width10 Inches
Part NumberCX500CV

5. Mazzei


Mazzei CR-2 Check Valve Repair Kit for 0.50" & 0.75" Injectors excluding 283 & 287

Mazzei #ad - Fits 1/2 and 3/4 inch Injectors. Replacement parts for check valve assemblies. Includes teflon ball, Kel-F seat and Hastelloy-C spring.
BrandMazzei #ad
ManufacturerMazzei #ad
Height1 Inches
Length1 Inches
Weight0.02 Pounds
Width1 Inches
Part NumberCR-2

6. Kymlaa


Pvdf Venturi Injection with check valve 3/4” Inch Gas-Liquid Mixing Venturi Injector for Ozone Generator, Dosing Device, Sewage Treatment, Agriculture Fertilizer Irrigation, Jet Device 3/4" Black

Kymlaa #ad - Extra part:Check valve included in injection port. Universal fit:pvdf venturi injector Compatible with ozone generator, Dosing device, sewage treatment, swimming pool, agriculture fertilizer irrigation, aquaculture aeration.

Model:3/4 inch. Functional performance:the unique mixed air chamber design and the strong mixed injection of water and air make the mixing well-distributed, complete, and make the bubbles exquisite, mixed with high efficiency, low energy consumption and long service life. Pvdf material performance:durable pvdf material has excellent of anti-chemical, corrosion, anti-oxidation, anti-solvent characteristics as fluoride plastic, Pvdf thermostability could be reached 298°F.
BrandKymlaa #ad
ManufacturerKymlaa #ad
Weight0.13 Pounds

7. Wilkins


Wilkins 34-975XL2 3/4-Inch Lead Free Reduced Pressure Backflow Preventer

Wilkins #ad - Short lay length eases replacement labor costs. If installed indoors, the installation will be supplied with an air gap adapter and integral monitor switch. Wye pattern design for short lay length.
BrandWilkins #ad
ManufacturerWilkins #ad
Height6.75 Inches
Length10.2 Inches
Weight12 Pounds
Width13 Inches
Part Number34-975XL2

8. K-Rain


K-Rain 11003-CV ProPlus Rotor Sprinkler with Check Valve

K-Rain #ad - 2n1 adjustable or continuous rotation. 5" riser-perfect for taller grass. 3/4" female threaded NPT inlet. Revolutionary patented easy arc set. Revolutionary patented easy arc set.
BrandK-Rain #ad
ManufacturerK-RAIN #ad
Height7.5 Inches
Length2.8 Inches
Weight0.75 Pounds
Width2.8 Inches
Part Number11003-CV

9. American Valve


American Valve MVB 3/4" Hose Connection Vacuum Breaker

American Valve #ad - Meets asse 1011 Standard. Eliminates back-siphonage into water supply. 3/4-inch male hose threaded outlet. Break-off screw for permanent attachment. 3/4-inch female hose threaded outlet.
BrandAmerican Valve #ad
ManufacturerAmerican Valve #ad
Height1.25 Inches
Length1.45 Inches
Width1.25 Inches
Part NumberMVB 3/4
ModelMVB 3/4"