GW3 Water Filter From £135

Undersink & House Water Filters

Glacier Water Systems supply all brands of under sink water filters. We have in stock and ready for immediate dispatch to Northern Ireland and throughout the UK, including GW1, GW3 & GW5 Undersink Plumbed in Water Filter Replacements. We also stock all NSA plumbed in Water Filters.

Transform your water for up to 3 years

Removes chlorine, chemicals, pesticides and heavy metals

Reduces your plastic bottle waste

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Plumber in Water Coolers

We are Northern Ireland's leading supplier of domestic and office water coolers. We have in stock and available for immediate delivery numerous free standing and counter top water coolers suitable for domestic and industry settings. Our range suits all budgets and we can recommend different models.

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Glacier b6 Cooler From £1030

Quooker Classic Fusion 3 in 1 From £1350

Quooker Boiling Water Taps

As Northern Ireland's premier provider of Quooker boiling water taps, we pride ourselves on unmatched expertise and seamless service. Elevate your kitchen experience with our swift, one-call delivery and installation. We prioritize efficiency, ensuring you enjoy the convenience of instant boiling water effortlessly. Choose us for unparalleled quality and convenience.

Instant 100°C boiling water

Add a Quooker Cube for filtered chilled and sparkling water

100% Child friendly safety system

View our Quooker Tap Range >

Fully recyclable packaging

All Items in stock

Northern Ireland based

Family run business

Award-Winning Company

99% purification levels

Our Reviews.

At Glacier Water Systems, we believe in transparency and the power of genuine customer feedback. Dive into our testimonial section, and discover why our water coolers, filters, and boiling water taps have become the trusted choice for those who seek excellence in hydration.

"What an amazing team. I rang for some advice on re-fitting a Glacier filtration system from one kitchen unit to another. They couldn't have been more helpful. The advice was concise, accurate and free. Many thanks for taking the time to help me. Very highly recommended."

Mac McDaniel Verified Google Review

"Glacier were so professional to work with. Highly recommend their water filters - notice such a great difference with the taste of our water. David was so great to deal with. I will happily recommend this business for all your water filter needs. Top notch service from great people."

Jennifer K Verified Google Review

"John the installer was such a lovely person with great knowledge so he was able to answer all my wife’s questions and she was more than impressed when she tasted the tap water after the install. Our water now has no chemical smell and tastes like bottled water."

Wilfie Johnston Verified Google Review

Our Trusted Partners

Our Bestsellers.

Dive into our bestsellers section and explore the most popular water coolers, filters, and boiling water taps solutions. We understand the importance of offering products that not only meet but exceed your expectations. Join the community of satisfied customers who have chosen the best in market products.

[2230+ Purchases]

GW1 Filter

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[670+ Purchases]

GW5 Filter

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[270+ Purchases]

Quooker Fusion 3 in 1 Tap

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Our Range

Explore our meticulously curated product section, featuring premium water coolers designed for offices and commercial spaces, state-of-the-art water filters for your home and workplace, and the unparalleled convenience of boiling water taps. Elevate your hydration experience with us!

Replacement Water Filters & Accessories

Full range of replacement water filters, taps and accessories provided by Glacier Water Systems Ltd.

[190 reviews]

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NSA Replacement Water Filters

Quality NSA Replacement Water Filters for business and home use providing unlimited pure water.

[231 reviews]

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Plumbed In Water Filters for Business

Enjoy fresh, clear, tastier refreshments at work with high quality filters from Glacier Water Systems Ltd.

[87 reviews]

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Glacier Innovative Tap Sytems

Innovative Tap Systems for business and home use providing pure ambient, sparkling and hot water.

[410 reviews]

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Our News

We are continuously working on new projects and jobs across the UK, take a sneak peak at some of our work we have been involved in recently.

View our Latest News >

Glacier Water Systems at Balmoral Show

June 22, 2026

Is Your Tap Water Quietly Damaging Your Home?

June 22, 2026

Glacier Water Systems Ltd, Ballymena, BT42 3EF, Northern Ireland

Tel: +4428 2589 0000

Email: sales@glacierwatersystems.co