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John Guest Speedfit Fittings

HomePlus Water is pleased to offer a range of John Guest Speedfit fittings for PEX, copper, and CPVC pipe. John Guest Speedfit are the fastest, most convenient, and easiest to use quick-connect style fitting for water treatment and general household plumbing applications. They are a popular alternative to more expensive brass Shark Bite (R) brand fittings.

John Guest Speedfit is an advanced push-fit fitting featuring JG Twist & Lock technology that is suitable for the plumbing of domestic hot and cold water lines, including pressurized and combination systems. Speedfit Fittings have been designed for use with copper pipe, Speedfit PEX Pipe, CPVC, and PEX pipe conforming to US Plumbing Standards. Performance specifications are well within those required for most normal domestic water supply systems including hot and cold water distribution systems, potable water distribution systems, and hydronic heating systems. Extensive tests have shown that Speedfit products will withstand temperatures and pressures in excess of normal working conditions.

The PEI Series of John Guest Twist & Lock fittings are manufactured from high quality engineered plastic with EPDM O-Rings. White fittings are suitable for general hot and cold water plumbing applications. The black PEI Series of Twist & Lock fittings are UV resistant and have been specifically designed for water filtration/softener installations; however, they are also suitable for applications in general plumbing repair and remodel, marine and R.V. applications.


  • Twist & Lock for added security
  • Approved for behind-the-wall installations
  • Works with copper, CPVC, and PEX pipe
  • No tools required
  • Installation time reduced by 40%
  • Reduced pipe insertion force
  • Disassemble without damage to pipe or fitting
  • Easy to use in confined spaces
  • No mineral scale build-up
  • A permanent leak-proof connection
  • Lead and corrosion free
  • Less noise from water flow and expansion/ contraction
  • 25-year warranty against defects in materials or manufacturing
  • Made in the United Kingdom (U.K.)

Speedfit complies with the applicable sections of the latest edition of the Uniform Plumbing Code and the International Plumbing Code, including behind-the-wall installations.

Speedfit fittings are manufactured in compliance with, ASTM F876, ASTM F877, CSA B137-5, ASSE 1061 and IGC188.

Speedfit fittings & pipes have NSF/ANSI Standard 14 validation which demonstrates compliance with USA Plumbing Codes, NSF - which complies with Canada and US Standards, CSA - Canadian Standards (potable water & radiant floor heating), and NSF Standard 61 Certification for Drinking Water System Components and Materials which contact drinking water. Including Annex G where applicable.

Fittings with prefix PEI and PSE comply with California and Vermont low-lead legislation as the wetted surface of these products contacted by potable water contains less than one quarter of one percent (0.25%) of lead by weight.

John Guest Speedfit PEI Series Fittings
John Guest Speedfit 1 Inch Male Connector NPT to CTS
Part# PSEI013628E


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John Guest Speedfit 1 Inch Union Elbow
Part# PEI0336E


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John Guest Speedfit 1 Inch Union Tee
Part# PEI0236E


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John Guest Speedfit 1 Inch Stem Adapter
Part# PSEI053628E


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John Guest Speedfit 3/4 Inch Male Connector NPT to CTS
Part# PSEI012826


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John Guest Speedfit 1 Inch Male Connector NPT to CTS
Part# PSEI013628


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John Guest Speedfit 3/4 Inch Shut-Off Valve
Part# PSEISV28


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