Free Shipping on Orders Over $200*
  • John Guest Gray Acetal Reducing Union - 3/8 inch by 1/4 inch - BIN 4175 - PI201208S

    Product ID • PP201208W000

  • This Product is no longer available through It has either been discontinued, made obsolete, or is no longer available for sale. Please select another product. Please click here to see Replacement Product.


Hydrotech - John Guest Gray Acetal Fittings for Reverse Osmosis and Water Softeners. The Acetal Range of inch-size push-in fittings is offered for tube sizes 1/4 inch O.D. to 1/2 inch O.D. The fittings are manufactured with food grade EPDM O rings and are produced in Food and Drug Administration (FDA) compliant materials.  These have been developed to satisfy the compatibility needs for a wide range of applications. 

Return Policy | Shipping Policy

Manuals & Docs

Technical Specs

Working Pressures and Temperatures

  • Water Max 150 psi at 70°F
  • Temp Range Min/Max 9°F to 150°F
  • Water Min 33°F
  • FDA Approved
  • Gray Acetal fittings connect without tools; simply push on
  • Compatible with LDPE, HDPE, and polypropylene tubing in potable water and food applications, as well as in chemical plants, cleaning applications, and water purification systems. Can also be used in beverage dispensing, reverse osmosis, car wash, and fiber optic applications

Info & Links