John Guest 15mm to 3/8" Push Fit Installation Kit
MPN:
The 15mm to 3/8" Push Fit John Guest Installation Kit is the ideal solution for installin...
3/8" Fittings
Browse reliable water filtration products, replacement cartridges and installation essentials selected for homes, businesses and specialist applications.
Filter products
Filters
John Guest Female Adapter - 3/8" Push Fit x 1/4" Female FFL
MPN:
The John Guest 3/8" Push Fit x 1/4" Female FFL Adapter is commonly used for beer and gas ...
John Guest 8mm Push Fit x 3/8" BSP Male Straight Adapter
MPN:
The John Guest 8mm Push Fit x 3/8" BSP Male Adapter is suitable for potable domestic and ...
John Guest Female Adapter - 3/8" Push Fit x 5/8" Female BSP
MPN:
The John Guest 3/8" Push Fit x 5/8" BSP Female Adapter is suitable for potable domestic a...
John Guest Female Adapter - 3/8" Push Fit x 1/2" BSP (Flat End)
MPN:
The John Guest 3/8" Push Fit x 1/2" BSP Flat End Female Adapter is suitable for potable d...
John Guest Male Adapter - 1/4" BSPT x 3/8" Push Fit
MPN:
The John Guest Male Adapter - 1/4" BSPT x 3/8" Push Fit is suitable for potable domestic ...
John Guest Male Adapter - 3/8" BSP x 10mm Push Fit
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The John Guest Male Adapter with 3/8" Male x 10mm Push Fit connections is suitable for po...
John Guest Female Adapter - 3/8" Female FFL x 3/8" Push Fit
MPN:
The John Guest 3/8" Female FFL x 3/8" Push Fit Adapter is commonly used for beer and gas ...
John Guest End Stop - 3/8" Push Fit
MPN:
The John Guest 3/8" Push Fit End Stop is suitable for potable domestic and commercial wat...
John Guest Reducing Tee - 3/8" x 3/8" x 1/4" Push Fit Fitting
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The John Guest 3/8" x 3/8" x 1/4" Push Fit Reducing Tee Fitting is suitable for potable ...
3/4" Male BSP x 3/8" Male BSPT Reducing Hex Nipple
MPN:
The 3/4" Male BSP x 3/8" Male BSPT Reducing Hex Nipple is suitable for reducing or enlar...
John Guest Plug - 3/8"
MPN:
The John Guest 3/8" Plug is suitable for potable domestic and commercial water applicatio...
John Guest Male Adapter - 1/4" BSP x 3/8" Push Fit
MPN:
The John Guest Male Adapter - 1/4" BSP x 3/8" Push Fit is suitable for potable domestic a...
John Guest Female Adapter - 1/4" Female NPTF x 3/8" Push Fit
MPN:
The John Guest 1/4" Female NPTF x 3/8" Push Fit Adapter is suitable for potable domestic ...
John Guest Stem Adapter - 3/8" Stem x 3/8" Male BSP
MPN:
The John Guest Stem Adapter - 3/8" Stem x 3/8" Male BSP thread is suitable for potable do...
John Guest Single Check Valve - 3/8" Push Fit
MPN:
The John Guest Single Check Valve with 3/8" push-fit connections is designed to prevent b...
John Guest Equal Straight Connector - 3/8" Push-Fit
MPN:
John Guest Equal Straight Connector with 3/8" connections. Manufactured in the UK using f...
John Guest Female Adapter - 1/2" Female BSP (Cone End) x 3/8" Push Fit
MPN:
The John Guest 3/8" Push Fit x 1/2" BSP Female Adapter with Cone End is suitable for pota...
John Guest Bulkhead Connector - 3/8" Push Fit
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John Guest Bulkhead Connector with 3/8" Push Fit connections, produced in a grey acetal ...
John Guest 3/8" Push Fit x 5/16" Push Fit Reducing Straight Connector
MPN:
John Guest 3/8" Push Fit x 5/16" Push Fit Reducing Straight Connector is suitable for pot...
John Guest Male Adapter - 3/8" Male NPTF x 3/8" Push Fit
MPN:
The John Guest Male Adapter - 3/8" Male NPTF x 3/8" Push Fit is suitable for potable dome...
John Guest Tube to Hose Stem - 3/8" Stem X 1/2" Hose Barb
MPN:
John Guest Tube to Hose Stem with 3/8" Stem x 1/2" Hose Barb connections. Suitable for ...
John Guest Enlarger - 5/16" Stem x 3/8" Push Fit
MPN:
The John Guest Enlarger with 5/16" Stem x 3/8" Push Fit is suitable for potable domestic...
Stem Adaptor 3/8" Stem x 3/4" Male BSP
MPN:
Stem Adaptor – 3/8″ Stem x 3/4″ Male BSP. Suitable for Everpure Claris filter head.
Need help choosing the right filter?
Our UK-based team can help match your appliance, system or application to the correct replacement or filtration setup.
How do I know which water filter fits my system?
Check the model reference on your current cartridge, appliance or system. If you are unsure, contact us with a photo and we will help identify the correct replacement.
Can businesses order in volume?
Yes. Trade and repeat-order customers can request support for volume pricing, scheduled replenishment and specification advice.