John Guest Stem Adaptors - NPTF

John Guest Stem Adaptors available in a range of different imperial sizes featuring NPTF (National Pipe Thread Fuel) threads.

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

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Grouped product items
Name Connection 1 Connection 2 Price Availability Qty
Code PI050621S
3/16" Stem 1/8" NPTF
£1.15
In stock
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Code PI050821S
1/4" Stem 1/8" NPTF
£1.20
In stock
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Code PI050822S
1/4" Stem 1/4" NPTF
£1.30
In stock
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Code PI050823S
1/4" Stem 3/8" NPTF
£1.57
In stock
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Code PM050822S
5/16" Stem 1/4" NPTF
£1.40
Stock Warning
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Code PM050823S
5/16" Stem 3/8" NPTF
£1.82
Stock Warning
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Code PI051222S
3/8" Stem 1/4" NPTF
£2.10
In stock
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Code PI051223S
3/8" Stem 3/8" NPTF
£2.28
In stock
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More Information
Brand John Guest
Material Acetal
Fitting Type Adaptor
Working Pressure and Temperature Range See each individual fitting page for more detail

Product Description

Collection of NPTF 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