Elbow Check Valve

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    Check valves only allow water to flow one direction. 1/8" Male NPT x 1/4" Push Connect elbow check valves are typically used on the product water output of RO membrane housings to protect from back pressure and allow auto shut off valves to operate correctly.

    $3.99

    Check Valve   Note: Housing has 1/8" Female NPT Fittings. We highly recommend the use of a push connect elbow check valve on the product water line if you are going to use an auto shut off valve on your RODI system.  The use of a non-check push connect elbow is totally fine, as inline check valves

    $8.99

    Spears makes the highest quality check valves. Use them to add a last line of defense against overflows. Check valves allow one directional water flow and are used to prevent back siphoning. They are commonly used on return pump outputs to prevent water overflowing the sump in the event of a power…

    Starting at:
    $20.99

    Why does BRS recommend this? Check valves are always a good idea to have, however when it comes to reliability you get what you pay for.  There are other good check valves on the market but we feel that the Georg Fischer Wye check valve is by far the most superior.  They have a removable plunger…

    Starting at:
    $43.99

    Spears makes the highest quality True Union check valves. Use them to add a last line of defense against overflows. Check valves allow one directional water flow and are used to prevent back siphoning. They are commonly used on return pump outputs to prevent water overflowing the sump in the event…

    Starting at:
    $23.99

    …this. Plan your plumbing on paper Don't skimp on unions. Unions allow for easy breakdown and maintenance as well as remove the need for precise elbow placement. Use them as often as possible. When in doubt order extra. We happily accept returns for a full refund (less shipping) on all unused…

    Starting at:
    $19.99

    …O-rings to ensure a straight leak free fit. These high quality American made fittings are constructed with FDA approved materials. Mur-lok 90° Elbow Check Valve Polypropylene construction NSF Standard 58 Certified   Sizes -  Stem x Push Connect: 3/8" Stem x 1/4" Push Connect 3/8" Stem x 3/8" Push…

    Starting at:
    $8.99

    These are among the highest quality check valves to be found. Relative to other types and manufacturers of check valves, there is minimal pressure loss. The true union check valve is specially designed to be disassembled by unscrewing the nuts in line leaving the tail pieces solvent cemented to the…

    Starting at:
    $16.99

    …O-rings to ensure a straight leak free fit. These high quality American made fittings are constructed with FDA approved materials. Mur-lok 90° Elbow Check Valve Polypropylene construction NSF Standard 58 Certified   Sizes -  Male NPT x Push Connect: 1/4" Male NPT x 1/4" Push Connect 1/4" Male NPT x…

    $9.99

    …pre-installed with an Auto Shut Off Valve and check elbow. If you wish to add a float valve to your BRS RODI system, just purchase a float valve separately and connect it to your product water line.  Standard Float Valve Adjustable Float Valve   Auto shut off valves (ASOV) are great for reverse…

    $24.99

    …supersaturated kalkwasser solution.   Very convenient design that can be mounted hanging on the back of the aquarium or below the aquarium. Includes check valve and flexible connection fittings that rotate 180 degrees to allow a perfect custom fit to your installation. Threaded lid design makes…

    $85.14

    …More professional look than white Schedule 40 PVC. This street/spigot barb connector is great for converting plumbing fittings like gate valves or check valves to work with flexible tubing, or when you want to use flexible tubing straight out of a bulkhead with a slip connection. Street/ Spigot…

    Starting at:
    $3.99
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