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  2. John Guest *
  3. Adaptors and Reducers *

Adaptors and Reducers *

[PI251008S] John Guest Tube to Hose Stem Adaptor 5/16" x 1/4" **

John Guest Tube to Hose Stem Adaptor 5/16" x 1/4" **


Genuine John Guest Part.
£ 0.82
[CM451513FS] John Guest Acetal Female Adaptor 15mm x 3/8" BSP **

John Guest Acetal Female Adaptor 15mm x 3/8" BSP **


Genuine John Guest Part.
£ 3.40
[CM451214FS] John Guest Acetal Female Adaptor 12mm x 1/2" BSP **

John Guest Acetal Female Adaptor 12mm x 1/2" BSP **


Genuine John Guest Part.
£ 3.00
[CM451213FS] John Guest Acetal Female Adaptor 12mm x 3/8" BSP **

John Guest Acetal Female Adaptor 12mm x 3/8" BSP **


Genuine John Guest Part.
£ 2.70
[CM321216E] John Guest Female Adaptor 12mm x 3/4 BSP **

John Guest Female Adaptor 12mm x 3/4 BSP **

Genuine John Guest Part. 
£ 3.43
[CM321014E] John Guest Acetal Black Female Adaptor 10mm x 1/2" BSP **

John Guest Acetal Black Female Adaptor 10mm x 1/2" BSP **


Genuine John Guest Part.
£ 1.90
[CM320816FE] John Guest Black Female Adaptor 8mm x 3/4" BSP **

John Guest Black Female Adaptor 8mm x 3/4" BSP **


Genuine John Guest Part.

£ 2.12
[CM320816E] John Guest Acetal Black Female Adaptor BSP 8mm x 3/4" ** CM320616E.webp

John Guest Acetal Black Female Adaptor BSP 8mm x 3/4" **

Genuine John Guest Part.
£ 2.12
[CM320616E] John Guest Acetal Black Female Adaptor BSP 6mm x 3/4" ** CM320616E.webp

John Guest Acetal Black Female Adaptor BSP 6mm x 3/4" **

Geniune John Guest Part.
£ 2.04
[CI3212U7FW] John Guest White Acetal Tap Adaptor 3/8" x 7/16" UNS **

John Guest White Acetal Tap Adaptor 3/8" x 7/16" UNS **


Genuine John Guest Part.
£ 1.85
[CI321216S] John Guest Tap Adaptor 3/8" x 3/4" BSP

John Guest Tap Adaptor 3/8" x 3/4" BSP

Genuine John Guest Part.
£ 2.33
[CI321216FS] John Guest Tap Adaptor Flat End 3/8" x 3/4" BSP **

John Guest Tap Adaptor Flat End 3/8" x 3/4" BSP **


Genuine John Guest Part.
£ 2.33
[CI321214S] John Guest Tap Adaptor 3/8" x 1/2" BSP **

John Guest Tap Adaptor 3/8" x 1/2" BSP **


Genuine John Guest Part.
£ 1.90
[CI320814S] John Guest Tap Adaptor 1/4" x 1/2" BSP **

John Guest Tap Adaptor 1/4" x 1/2" BSP **


Genuine John Guest Part.
£ 1.84
[CI010823W] John Guest White Acetal Straight Adaptor 1/4" x 3/8" NPTF **

John Guest White Acetal Straight Adaptor 1/4" x 3/8" NPTF **


Genuine John Guest Part.
£ 1.00
[PI010821S] John Guest Straight Adaptor 1/4" x 1/8" NPTF **

John Guest Straight Adaptor 1/4" x 1/8" NPTF **

Genuine John Guest Part.
Tube OD: 1/4"
NPTF Thread: 1/8"
£ 0.89
[PI010812S] John Guest Straight Adaptor 1/4" x 1/4" BSP

John Guest Straight Adaptor 1/4" x 1/4" BSP

Genuine John Guest Part.
Tube OD: 1/4"
BSP Thread: 1/4"
£ 1.67
[PI010802S] John Guest Straight Adaptor 1/4" x 1/4" BSPT

John Guest Straight Adaptor 1/4" x 1/4" BSPT

Genuine John Guest Part.
Tube OD: 1/4"
BSPT Thread: 1/4"
£ 1.00
[PI010801S] John Guest Straight Adaptor 1/4" x 1/8" BSPT

John Guest Straight Adaptor 1/4" x 1/8" BSPT

Genuine John Guest Part.
Tube OD: 1/4"
BSPT Thread: 1/8"
£ 0.89
[PI010621S] John Guest Straight Adaptor 3/16" x 1/8" NPTF

John Guest Straight Adaptor 3/16" x 1/8" NPTF

Genuine John Guest Part.
Tube OD: 3/16"
NPTF Thread: 1/8"
£ 0.80


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