John Guest Stem Adaptors available in a range of different metric and imperial sizes featuring BSP (British Standard Pipe) 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 | 3/8" Stem x 1/4" BSP | PI051212S

John Guest Stem Adaptor - 3/8" Stem x 1/4" BSP

Code: PI051212S

Connection 1 3/8" Stem
Connection 2 1/4" BSP
3/8" Stem 1/4" BSP
£1.68 Inc. VAT
Availability: In stock
£1.68 Inc. VAT
John Guest Stem Adaptor | 3/8" Stem x 3/8" BSP | PI051213S

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

Code: PI051213S

Connection 1 3/8" Stem
Connection 2 3/8" BSP
3/8" Stem 3/8" BSP
£1.56 Inc. VAT
Availability: In stock
£1.56 Inc. VAT
John Guest Stem Adaptor | 8mm Push Fit x 1/4" BSP | PM050812E

John Guest Stem Adaptor - 8mm Stem x 1/4" BSP

Code: PM050812E

Connection 1 8mm Stem
Connection 2 1/4" BSP
8mm Stem 1/4" BSP
£1.08 Inc. VAT
Availability: Available to Order
£1.08 Inc. VAT
John Guest Stem Adaptor | 8mm Push Fit x 3/8" BSP | PM050813E

John Guest Stem Adaptor - 8mm Stem x 3/8" BSP

Code: PM050813E

Connection 1 8mm Stem
Connection 2 3/8" BSP
8mm Stem 3/8" BSP
£1.87 Inc. VAT
Availability: Available to Order
£1.87 Inc. VAT
John Guest Stem Adaptor | 10mm Push Fit x 1/4" BSP | PM051012E

John Guest Stem Adaptor - 10mm Stem x 1/4" BSP

Code: PM051012E

Connection 1 10mm Stem
Connection 2 1/4" BSP
10mm Stem 1/4" BSP
£1.30 Inc. VAT
Availability: In stock
£1.30 Inc. VAT
John Guest Stem Adaptor | 12mm Push Fit x 3/8" BSP | PM051213E

John Guest Stem Adaptor - 12mm Stem x 3/8" BSP

Code: PM051213E

Connection 1 12mm Stem
Connection 2 3/8" BSP
12mm Stem 3/8" BSP
£2.21 Inc. VAT
Availability: In stock
£2.21 Inc. VAT
John Guest Stem Adaptor | 15mm Push Fit x 3/8" BSP | PM051513E

John Guest Stem Adaptor - 15mm Stem x 3/8" BSP

Code: PM051513E

Connection 1 15mm Stem
Connection 2 3/8" BSP
15mm Stem 3/8" BSP
£2.95 Inc. VAT
Availability: Available to Order
£2.95 Inc. VAT
John Guest Stem Adaptor | 15mm Push Fit x 1/2" BSP | PM051514E

John Guest Stem Adaptor - 15mm Stem x 1/2" BSP

Code: PM051514E

Connection 1 15mm Stem
Connection 2 1/2" BSP
15mm Stem 1/2" BSP
£3.79 Inc. VAT
Availability: Available to Order
£3.79 Inc. VAT
John Guest Stem Adaptor | 22mm Push Fit x 1/2" BSP | PM052214E

John Guest Stem Adaptor - 22mm Stem x 1/2" BSP

Code: PM052214E

Connection 1 22mm Stem
Connection 2 1/2" BSP
22mm Stem 1/2" BSP
£4.58 Inc. VAT
Availability: Available to Order
£4.58 Inc. VAT
John Guest Stem Adaptor | 22mm Push Fit x 3/4" BSP | PM052216E

John Guest Stem Adaptor - 22mm Stem x 3/4" BSP

Code: PM052216E

Connection 1 22mm Stem
Connection 2 3/4" BSP
22mm Stem 3/4" BSP
£5.40 Inc. VAT
Availability: Available to Order
£5.40 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 John Guest BSP stem adaptors from the PI and PM ranges, which are manufactured from either black or 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