Guardian is the leading brand of domestic water treatment products

Guardian offers excellence in both reliability and performance of the products via a network of quality partners in the field of water treatment.

From the protection of your heating system and solar panels to the commodities that make the joints in every water system in you house Guardian has the answer.

Guardian Products – Designed to be More Efficient, More Effective, More Reliable

With over 10 years experience and continual investment in research and development, Guardian water treatment products are manufactured to the highest quality, reliability and performance. All Guardian products are simple to use and are guaranteed to work effectively.

Our aim is to deliver cost effective, high performance solutions to all central heating and water problems. We continually strive to improve the quality of our products and services and to deliver technical leadership to our customers.

With the rising cost of fuel, you need to make sure that your central heating system is working as efficiently as possibly. Sludge and scale in a central heating system can reduce its efficiency by up to 30%.

Guaranteed Quality

Guardian supplies the quality you can expect of a specialist. We start with the use of high-quality materials, but then  go further than that. Our experts closely monitor every stage of the production process.

Thanks to strict inspections and the great care with which our technicians work you can always be sure that Guardian products are 100% reliable.

New to Guardian

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15mm Electrolytic Scale Inhibitor

Environmentally friendly - No wiring, easy to fit - Whole house protection -No salt, no chemicals

Guardian Ferronex Concentrate

All the benefits of Guardian Ferronex in concentrate form

Guardian G1000 Concentrate

All the benefits of Guardian G1000 in concentrate form

Our Best Sellers

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Guardian Ferronex Descaler

One flush corrosion and scale remover for central heating systems. For multi-metal systems including aluminum.

Guardian G1000

A general purpose treatment for total protection against scale and corrosion in all types of indirect central heating systems, including those containing aluminium.

Guardian G4000 Descaler

A ruthlessly efficient way to eliminate the build of sludge and scale from central heating systems.