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Water Treatment

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Water Treatment

Types of Water Treatment for Boilers

1. Chemical Inhibitors
Added to the system to prevent internal corrosion and scale build-up. They help protect radiators, pipework, and boiler components — and are often required to maintain manufacturer warranties.

Essential for long-term system health and efficiency.

2. System Cleaners & Flushing Chemicals
Used to clean out existing sludge, rust, and debris from older systems. These treatments restore circulation, reduce cold spots, and improve overall performance before applying an inhibitor.

Ideal before a boiler replacement or when upgrading system parts.

3. Biocides
Added to prevent bacterial growth in low-temperature or underfloor heating systems, where damp conditions can encourage biofilm build-up.

Maintains system cleanliness and flow in specialist heating setups.

4. Scale Reducers / Water Softeners
Tackle limescale build-up caused by hard water. Options include chemical polyphosphate dosing, salt-based softeners, or magnetic/electrolytic devices.

Essential in hard water areas to prevent efficiency loss and breakdowns.

5. Antifreeze / Glycol Treatments
Used in systems exposed to freezing temperatures (e.g. outbuildings or holiday homes) to prevent water from freezing and damaging pipes or the boiler.

Protects systems where frost is a risk.

6. Neutralising Agents
Used in commercial or condensing boilers to neutralise acidic condensate before it’s discharged, protecting pipework and the environment.

Important for compliance and system safety in specific installations.

Effective boiler water treatment improves system lifespan, reduces energy use, and prevents costly damage. At Mirage Heating & Plumbing, we stock a full range of water treatment products — including inhibitors, cleaners, softeners, and scale solutions — to keep systems running at peak performance.

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Why Use Water Treatments for Boilers?

Water Treatments For Boilers

Water treatments are vital for protecting boilers and heating systems from the inside out. Over time, untreated water can cause corrosion, limescale build-up, and sludge formation, all of which reduce system efficiency and lead to costly breakdowns. By using the right chemical treatments — such as inhibitors, cleaners, and scale reducers — you help maintain optimal flow, heat transfer, and pressure within the system.

Water treatment ensures your boiler runs more efficiently, saving on energy bills and reducing wear on critical components like pumps, heat exchangers, and radiators. It also helps meet manufacturer warranty requirements, many of which now specify that inhibitors and other treatments must be used from installation.

At Mirage Heating & Plumbing, we offer a full range of professional-grade water treatment solutions to keep domestic and commercial systems clean, protected, and running at peak performance — because prevention is always better than cure.

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Mirage Heating & Plumbing Supplies Ltd can supply and fit boilers, boiler spares and parts across any of the following areas:

We have a next-day parts delivery service operating throughout South London. We can acquire boiler spares, units and parts faster than any other supplier locally, meaning you don’t have to wait longer than is needed and your boiler can be fixed as soon as possible. Our next-day delivery service means that you will have the boiler spares and parts you need in good time.

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