Non-Return & Check Valves

These valves prevent backflow and protect sensitive components from reverse pressure. Used in bilge systems, fuel lines, and freshwater circuits, they ensure one-way flow and system integrity. Marine-grade models are built to resist corrosion and clogging. An important part of any reliable plumbing setup.

Plumbing
Fittings
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22 Products
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In Stock

Check Valve, Non-Return Plastic 1.5″ Ports
JAB/29295-1010

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Yes
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Yes

Check Valve, Non-Return Plastic 1″ Ports
JAB/29295-1000

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Yes
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Yes

Check Valve, Non-Return Plastic 3/4″ Ports
JAB/29295-1011

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Yes
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Yes

Check Valve, Non-Return Spring-Type Brass 1.25″
SUA/372-1-1/4

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Yes
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Yes

Check Valve, Non-Return Spring-Type Brass 1.5″
SUA/372-1-1/2

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Yes
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Yes

Check Valve, Non-Return Spring-Type Brass 1″ Non-Tapered Thread
SUA/372-1

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Yes
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Yes

Check Valve, Non-Return Spring-Type Brass 3/4″
SUA/372-3/4

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Yes
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Yes

Check Valve, Plastic Inline Barb:1″or1-1/2″
WHA/LV1215

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Yes
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Yes

Check Valve, Plastic Inline Barb:3/4″
WHA/LV1219

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Yes
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Yes

Check Valve, Plastic Inside-Tube-Set 1/2″
WHA/FV1227

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Yes
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Yes

Check Valve, Spring 1-1/2″ NPT Female Tapered Brass
FBT/SFL112

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Yes
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Yes

Check Valve, Spring 1-1/4″ NPT Female Tapered Brass
FBT/SFL114

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Yes
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Yes

Check Valve, Spring 1″ NPT Female Tapered Brass
FBT/SFL1

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Yes
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Yes

Check Valve, Spring 1/4″ NPT Female Tapered Brass
FBT/SFL014

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Yes
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Yes

Check Valve, Spring 3/4″ NPT Female Tapered Brass
FBT/SFL034

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Yes
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Yes

Check Valve, Spring 3/8″ NPT Female Tapered Brass
FBT/SFL038

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Yes
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Yes

Check Valve, Swing 1-1/2″ NPT Female Tapered Cast Bronze
FBT/SCV112

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Yes
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Yes

Check Valve, Swing 1-1/4″ NPT Female Tapered Cast Bronze
FBT/SCV114

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Yes
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Yes

Check Valve, Swing 1-1/4″ NPT Female Tapered Cast Bronze
FBT/SCVC114

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Yes
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Yes

Check Valve, Swing 1″ NPT Female Tapered Cast Bronze
FBT/SCV1

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Yes
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Yes

Check Valve, Swing 1/2″ NPT Female Tapered Cast Bronze
FBT/SCV12

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Yes
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Yes

Check Valve, Swing 3/4″ NPT Female Tapered Cast Bronze
FBT/SCV34

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Yes
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Yes
*Prices shown are tax exempt Sint Maarten prices, store prices may vary as a result of shipping cost and taxes, please contact a store close to you for location prices