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How it works

Combimate is plumbed directly on the cold water supply to the property or appliance to protect the hot water system.

Combimate is a polyphosphate scale inhibitor.

As mains water flows through the Combimate, the water comes into contact with Combiphos.  The phosphate within Combiphos coats the inside of a home's pipework, boiler heat exchanger and appliances with a non-residual, microscopic, protective coating to prevent scale-causing minerals from accumulating and aggressive soft water from corroding the system and appliances.

This limescale protection action prevents the formation of scale while retaining the health benefits of the natural minerals contained in hard water.

Unlike other limescale prevention systems (e.g. magnetic, electrolytic or electronic limescale inhibitor) Combimate is designed to ensure that all of the incoming water flowing through the unit comes into contact with the Combiphos – ensuring a consistent level of phosphate dosing is maintained.

Combimate is designed to be user-friendly; shut-off valves automatically stop the water flow when the cover is removed and the Combiphos can be refilled through a simple screw-fit cap.

Combimate provides pipe protection, appliance protection and boiler protection.

Combimate in detail
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From just £171.60 (inc VAT)

Combimate will last a lifetime and is virtually maintenance free.

Water treatment products explained

Water Softeners - A water softener is a larger electrical /mechanical device which removes the chemicals in hard water areas which cause scaling: calcium and magnesium carbonate. These devices turn hard water to soft water.

Scale Prevention - These prevent these chemicals depositing themselves inside pipes, tanks and shower heads. These are small plumbed-in devices that use chemical, electrolytic or magnetic methods to accomplish this.  Combimate which is a hard water scale inhibitor is in this group.

Water Filter - these remove bacteria, chlorine, pesticide residues etc. These mostly come in the form of handheld filter jugs with disposable cartridges for potable use.

£27.50Inc VAT
Combiphos refills

To maintain your Combimate’s effectiveness, we recommend Combiphos is replaced annually.


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