John Guest Stem Adaptors available in a range of different imperial sizes featuring BSPT (British Standard Pipe Taper) threads.

Stem adaptors are ideal for adapting a push fit connection to a male thread connection.

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Products

Name Connection 1 Connection 2 Price Availability Qty
John Guest Stem Adaptor | 1/4" Stem x 1/8" BSPT | PI050801S

John Guest Stem Adaptor - 1/4" Stem x 1/8" BSPT

Code: PI050801S

Connection 1 1/4" Stem
Connection 2 1/8" BSPT
1/4" Stem 1/8" BSPT
£1.58 Inc. VAT
Availability: In stock
£1.58 Inc. VAT
John Guest Stem Adaptor | 1/4" Stem x 1/4" BSPT | PI050802S

John Guest Stem Adaptor - 1/4" Stem x 1/4" BSPT

Code: PI050802S

Connection 1 1/4" Stem
Connection 2 1/4" BSPT
1/4" Stem 1/4" BSPT
£1.64 Inc. VAT
Availability: In stock
£1.64 Inc. VAT
John Guest Stem Adaptor | 5/16" Stem x 1/4" BSPT | PM050802S

John Guest Stem Adaptor - 5/16" Stem x 1/4" BSPT

Code: PM050802S

Connection 1 5/16" Stem
Connection 2 1/4" BSPT
5/16" Stem 1/4" BSPT
£0.82 Inc. VAT
Availability: Temporarily Out of Stock, Still Available to Pre-Order
£0.82 Inc. VAT
John Guest Stem Adaptor | 3/8" Stem x 3/8" BSPT | PI051203S

John Guest Stem Adaptor - 3/8" Stem x 3/8" BSPT

Code: PI051203S

Connection 1 3/8" Stem
Connection 2 3/8" BSPT
3/8" Stem 3/8" BSPT
£2.15 Inc. VAT
Availability: In stock
£2.15 Inc. VAT
John Guest Stem Adaptor | 1/2" Stem x 3/8" BSPT | PI051603S

John Guest Stem Adaptor - 1/2" Stem x 3/8" BSPT

Code: PI051603S

Connection 1 1/2" Stem
Connection 2 3/8" BSPT
1/2" Stem 3/8" BSPT
£2.20 Inc. VAT
Availability: Temporarily Out of Stock, Still Available to Pre-Order
£2.20 Inc. VAT
John Guest Stem Adaptor | 1/2" Stem x 1/2" BSPT | PI051604S

John Guest Stem Adaptor - 1/2" Stem x 1/2" BSPT

Code: PI051604S

Connection 1 1/2" Stem
Connection 2 1/2" BSPT
1/2" Stem 1/2" BSPT
£2.22 Inc. VAT
Availability: Temporarily Out of Stock, Still Available to Pre-Order
£2.22 Inc. VAT

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Specifications

Specifications

Brand John Guest
Fitting Type Adaptor
Material Acetal
Working Pressure and Temperature Range See each individual fitting page for more detail
Approvals & Certifications WRAS Approved, NSF Certified: Standard 51, NSF Certified: Standard 61

Product Description

Collection of BSPT stem adaptors from the John Guest PI range, which is manufactured from a grey acetal.

All fittings feature Super Speedfit technology, which offers a variety of benefits over other connection types.

Benefits of Super Speedfit fittings

  • Easy to use with reduced installation time
  • Can be used on a variety of pipe including copper pipe
  • No tools required
  • Fittings are cost effective reusable components for maximum flexibility
  • Lead free and non-toxic
  • Corrosion free with no scale build up