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Foster Products

ZSi Products


Industry Leader For
Quick Coupling

ZSI-Foster products have earned a well-deserved reputation for unparalleled quality and effectiveness.

As industry develops new needs, ZSI-Foster can and will respond with superior quality products.

Today and in the future, our commitment remains the same: Produce quality products to solve problems and save money.

Our popular Cush-A-Nator® series has been further expanded with the Cush-A-Nator® (HIT) High Intensity Temp version for operation in high temperature environments up to 400° F (204° C)

Learn More...


• Cush-A-Nator Standard - Service Temperatures of -50°F to 275°F

• Cush-A-Nator High Temp - Service Temperature of -65°F to 340°F

• Cush-A-Nator High Intensity Temp - Service Temperature of -65°F to 400°F

In addition to the new HIT series, we are adding metric sizes for Polypropylene (PP-R) Pipe to all three of the Cush-A-Nator® series.

Both the HIT series and all the metric sizes will be available shortly. Learn More...

View our new combined product catalog,

or, Click Here to order a printed version of the catalog.


ZSI-Foster News
[February 21, 2019]

  • ZSi-Foster announces the F180 Pneumatic Foster Coupler 1/8" Series

    The new F180 miniature ball-lock quick disconnect coupling offers great performance in a very small size with high flow and minimal pressure drop. Designed for use with compressed air, gases, and liquids, it's perfect for breathable air, lab, medical, and pharmaceutical applications. It's a preferred choice for anyplace high flow is required within a very tight space, such as boat lifts.

  • List Price Change - 5/16/2018

    As you may be aware, raw material prices for our industry have significantly increased. We must raise our list prices; however, we will not be passing the full cost increase to you. Effective May 16, 2018 there will be a four and half percent (4.5%) increase. All

  • Cush-A-Therm Video Face-Off

    Did you know that ZSi-Foster has a YouTube channel? You can find our installation animations there, and now product videos as well. Check out this face-off between Cush-A-Therm and a plastic insulation clamp

  • Extreme Temp Cushioned U-Bolt

    The only cushioned U-bolt on the market that services temps from -65° to 340°F!

    • Made in USA
    • Vibration absorption and isolation
    • Even load distribution to prevent pipe damage
    • HB flame rating and UV resistant for indoor or outdoor use
    • Boiler rooms, Marine applications, Commercial kitchens, Metal cleaning, and more

  • Silver Claw Carbon Steel Beam Clamp

    Supports up to 400 pounds!

    • UL, NFPA, FM, and MSS approved
    • Carbon Steel avoids hydrogen embrittlement
    • Open back for easy inspection and adjustment
    • Extruded rod hole captures more threads
    • HVAC/R, Fire Protection/Sprinkler Systems, Electrical, Plumbing, and more

  • Z-Bracket

    Use on metal or wood studs, adjusts for a wide variety of stud spacing!

    • U.S. UL listed for wood or metal studs
    • From 11" to 26" stud centers
    • Boxes 1-1/2" to 2-1/8" deep
    • Wet or dry applications
    • HVAC/R, Fire Protection, Electrical, and more

  • Introducing Cush-A-Glide™

    The Cush-A-Glide™ is designed for fast installation of tube, pipe or hose and can be easily installed in seconds with fasteners of your choice. Just spread the clamp apart placing it over the top of a tube or pipe and fasten one side. Push in the opposite side to the desired tightness, allowing for expansion and contraction, then fasten it.

    It's just that simple!

  • New Power Washer Nozzle

    Brass 3-postion swivel tip nozzle used on power washers.