Home > Shop > Fittings & Accessories > John Guest Fittings
The John Guest Group has a long established reputation as a world leading manufacturer of push-fit fittings, Valves and tubing. Best 4 Water Softeners carry a large range of John Guest fittings to accommodate most installations of fluid control systems.
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Connector 3/8" by 3/8"
Connector 3/8
£6.12
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John Guest - 3/8" NPTF x 1/4" Push Fit Male Adaptor
John Guest - 3/8
From £0.75
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John Guest 1/4" NPTF x 3/8" Push Fit Male Adaptor
John Guest 1/4
From £1.74
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John Guest 1/4" Push Fit Elbow
John Guest 1/4
£3.50
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John Guest 3/8" BSPT x 3/8" Push Fit Male Adaptor
John Guest 3/8
From £1.95
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John Guest 3/8" NPTF x 3/8" Push Fit Male Adaptor
John Guest 3/8
From £1.74
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John Guest 3/8" Push Fit Stem Elbow Grey
John Guest 3/8
£2.89
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John Guest 3/8" Push Fit Stem Elbow White
John Guest 3/8
From £2.35
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John Guest 3/8" x 1/4" nptf Elbow Shut Off Valve
John Guest 3/8
£6.96
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John Guest Angle Stop Valve 15mm x 15mm x 1/4" Branch
John Guest Angle Stop Valve 15mm x 15mm x 1/4
£10.49
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John Guest Angle Stop Valve 15mm x 15mm x 3/8" Branch
John Guest Angle Stop Valve 15mm x 15mm x 3/8
£11.36
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John Guest Collet Locking Tool
John Guest Collet Locking Tool
£6.96
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John Guest Equal Elbow 3/8" by 3/8"
John Guest Equal Elbow 3/8
From £2.58
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John Guest Equal Straight Connector 3/8" by 3/8"
John Guest Equal Straight Connector 3/8
£3.72
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John Guest Equal Straight Coupler 1/4" by 1/4"
John Guest Equal Straight Coupler 1/4
£3.49
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John Guest Equal Tee 1/4" x 1/4" x 1/4"
John Guest Equal Tee 1/4
£3.72
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John Guest Equal Tee 3/8" x 3/8" x 3/8"
John Guest Equal Tee 3/8
£3.94
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John Guest Female Adapter 1/4" Tube x 1/4" NPTF Flat End
John Guest Female Adapter 1/4
£5.25
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John Guest Female Adapter 3/8" TB x 1/2" BSP Thread (Pack of 5)
John Guest Female Adapter 3/8
£18.95
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John Guest Female Adaptor 3/8" TB x 1/2" BSP Flat End
John Guest Female Adaptor 3/8
£5.95
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John Guest Female Tap Adaptor 1/4" Tube x 1/2" Thread BSP
John Guest Female Tap Adaptor 1/4
£5.46
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