MRbrew MR-15-CV Gas Check Valves and Beer Washer Gaskets, 15 Each

Beer Each: MRbrew MR-15-CV is a replacement kit with 15 gas check valves and 15 silicone washer gaskets for compatible keg coupler and gas-line fittings. The listing says the valves are designed to limit backflow and the washers to seal the joint, with compatibility claimed for most standard G 5/8 barb fittings.

At a glance

Includes 15 check valves and 15 silicone washer gaskets, according to the listing.
Valves are described as fitting inside a beer coupler at the air or gas hose barb fitting.
The listing describes the concave valve design as allowing CO2 flow while resisting gas or beer backflow.

Price

$4.99Save 50%

Reference price: ~~$9.99~~

Price checked: Nov 12, 2026

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Often bought together

30 Pack Keg Coupler Gaskets, Check Valves & Washers for Sankey Couplers | Food Grade Silicone Keg Coupler Gaskets, Keg Coupler Replacement Parts for D/S/A/U/G Systems, Prevents Beer Backflow & Leaks

$9.99

Pros and cons

Pros

The two matching 15-piece quantities provide replacement valves and washers for multiple fittings.
The stated fitting compatibility covers several common listed coupler types, including Sankey D and soda keg couplers.
The installation description is straightforward: place the valve and washer at the gas hose barb fitting, then tighten the nut.

Technical specifications

8 specifications

Identity and package
Brand	MRbrew
Model	MR-15-CV
Kit contents	15 x Gas Check Valves and 15 x Silicone Washer Gaskets.
Package dimensions	5.51 x 4.06 x 0.75 inches
Weight listed	1.41 ounces

Materials and compatibility
Material	food-grade silicone
Fitting compatibility claimed	most standard G 5/8 barb fittings
Applications listed	Sankey D type coupler, keg coupler, and soda keg coupler

What to know before buying

Compatibility is claimed for most standard G 5/8 barb fittings. Confirm that your fitting and coupler arrangement match before ordering, as the listing does not specify a broader set of dimensions.

Who is it for?

A good fit for

Home brewers replacing check valves and washers in compatible keg coupler gas connections.
Brewing or soda-fountain setups using fittings that match the listing's stated compatibility.

Less suited to

Buyers seeking a complete keg coupler or gas-line assembly. This listing describes replacement valves and washers only.

MRbrew MR-15-CV Gas Check Valves and Beer Washer Gaskets, 15 Each · photo 2 — Additional product photo 2

Customer reviews on Amazon

5 / 5 · 2 ratings

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Only aggregate ratings are supplied, with a small sample and all ratings in the five-star category. That is limited feedback and does not establish how well the parts fit particular couplers or perform in use.

Frequently asked questions

How many parts are included?

The listing states that the kit contains 15 gas check valves and 15 silicone washer gaskets.

Which fittings are these listed as compatible with?

The listing claims compatibility with most standard G 5/8 barb fittings and mentions Sankey D type, keg, and soda keg couplers. Match your specific fitting before buying.

How does installation work?

The listing directs users to insert the valve and washer into the gas hose barb fitting, then tighten the nut.

Are these replacement parts a complete coupler kit?

No complete coupler is listed. The stated package contents are check valves and washer gaskets.