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4.9 out of 5 (500+ store reviews)
Perfect fit for my RO system. The size was exactly what I needed, delivery was fast and installation was as easy as push and go.— Mark T., verified buyer store review
John Guest Plug - 1/4"
MPN
£1.99 inc. VAT
In stock
Ready to dispatch
- WRAS approved
Calculating delivery...
FREE Express Delivery
UK orders over £50
Next Day Delivery
£5.99
Standard Delivery
£2.99 for 2-3 days
*Applies when Next Day Delivery is selected at checkout.
Delivery information
Order before the delivery cut-off for the fastest available dispatch. Delivery options and final prices are confirmed at checkout.
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Our size guide and fitting advice help you choose the right connection first time.
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Learn moreWhat our customers say
The John Guest 1/4" Plug is suitable for potable domestic and commercial water applications including softening, conditioning, filtering, reverse osmosis, cleaning, sanitising, and more.
Features
- Instant push-fit connection and leak tight seal
- Connect, disconnect and reconnect in seconds without tools
- No scale build up improves performance and equipment lifespan
- Non-toxic food grade material
- Superior flow characteristics
- Suitable for soft metal or plastic tubes
John Guest fittings are commonly used with water dispensers and coolers, hot brewing appliances, beverage vending machines, ice makers and beer dispensers, ensuring fresh, great tasting drinks every time.
- MPN
- PI0808S
- Brand
- John Guest
- Fitting type
- Plug
- Material
- Acetal
Official John Guest video
How to make a John Guest standard fitting connection
This short installation video shows the standard push-fit connection process for drinks dispense and water treatment fittings.Order before our dispatch cut-off — 3pm Monday to Friday, or 12pm on Saturday — and your order is sent the same day; anything after that follows the next working day. We don’t dispatch on Sundays, and you’ll get a tracking link by email as soon as your order is on its way.
Choose your UK delivery option at checkout:
- Free Express Delivery — free on orders over £50 (2–3 working days).
- Standard Delivery — £2.99 (2–3 working days).
- Next Day Delivery — £5.99, arriving the next working day when you order before the cut-off.
We also ship internationally, with rates calculated at checkout.
Returns & refunds
Changed your mind? You have 30 days to return any unused filter in its original sealed packaging for a refund, or 90 days for exchanges. Start at our returns portal and either generate a prepaid Royal Mail label (£3.49, deducted from your refund) or use your own courier — exchanges are always free to return. We approve refunds within 24 hours of your return reaching us; your bank may then take 3–5 working days to show the funds.
Product Details
The John Guest 1/4" Plug is suitable for potable domestic and commercial water applications including softening, conditioning, filtering, reverse osmosis, cleaning, sanitising, and more.
Features
- Instant push-fit connection and leak tight seal
- Connect, disconnect and reconnect in seconds without tools
- No scale build up improves performance and equipment lifespan
- Non-toxic food grade material
- Superior flow characteristics
- Suitable for soft metal or plastic tubes
John Guest fittings are commonly used with water dispensers and coolers, hot brewing appliances, beverage vending machines, ice makers and beer dispensers, ensuring fresh, great tasting drinks every time.
Specifications
- MPN
- PI0808S
- Brand
- John Guest
- Fitting type
- Plug
- Material
- Acetal
Installation
Official John Guest video
How to make a John Guest standard fitting connection
This short installation video shows the standard push-fit connection process for drinks dispense and water treatment fittings.Delivery & Returns
Order before our dispatch cut-off — 3pm Monday to Friday, or 12pm on Saturday — and your order is sent the same day; anything after that follows the next working day. We don’t dispatch on Sundays, and you’ll get a tracking link by email as soon as your order is on its way.
Choose your UK delivery option at checkout:
- Free Express Delivery — free on orders over £50 (2–3 working days).
- Standard Delivery — £2.99 (2–3 working days).
- Next Day Delivery — £5.99, arriving the next working day when you order before the cut-off.
We also ship internationally, with rates calculated at checkout.
Returns & refunds
Changed your mind? You have 30 days to return any unused filter in its original sealed packaging for a refund, or 90 days for exchanges. Start at our returns portal and either generate a prepaid Royal Mail label (£3.49, deducted from your refund) or use your own courier — exchanges are always free to return. We approve refunds within 24 hours of your return reaching us; your bank may then take 3–5 working days to show the funds.