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Cistermiser Combimate 15mm Scale Reducer Including Combiphos Pack

118.32 - INC VAT

Cistermiser Combimate Scale Reducer & Combiphos Pack

  • Prevents limescale in hard water and soft water corrosion
  • Keeps pipework clear and energy costs down
  • Prevents 'brown' water, protects pipework and keeps maintenance costs down
  • Compact, flexible and quick to install on vertical and horizontal pipework with top or bottom entry
  • For single appliances or 'whole house' water supply
  • Safe for drinking water and all domestic appliances
  • 100% food grade material; FAO/WHO approved and compliant with EN 1208
  • No maintenance. Easy annual Combiphos top-up
  • WRAS approved


  • Cistermiser Combimate Scale Reducer
  • Combiphos Pack

Combimate is a user-friendly domestic limescale prevention device that uses Combiphos.

Combiphos, a polyphosphate compound is 100% food grade material approved by FAO/WHO and compliant with the European normative standard (BS) EN 1208 that prevents scale build-up and soft water corrosion in combination boilers and other domestic hot water appliances.

How it works

Combimate is filled with the appropriate amount of Combiphos which, when in contact with water is released in very small quantities, sufficient to keep the mineral ions in suspension. This action prevents the formation of scale while retaining the health benefits of the natural minerals contained in hard water. Combiphos coats the inside of the 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.

Tried and tested

Combiphos is a polyphosphate compound specifically developed to provide the most effective limescale prevention in flow-through installations. Polyphosphate dosing has been safely used to treat water throughout the world for many years.

Health and safety

Combiphos is tasteless and odourless and contains a polyphosphate compound which is classified by the WHO as a 'food-grade' additive. The quantity, size and hardness of the spheres control the amount of Combiphos released. Typically this is less than 3ppm (parts per million) of phosphate in treated water and perfectly safe for human consumption.

The combimate de-scaling guarantee

If combimate is installed with a new boiler and the Combiphos replaced annually, Cistermiser guarantees that the heat exchanger will not scale up. Cistermiser will de-scale any boiler that does scale up within 3 years of combimate installation free of charge and refund the cost of the combimate.

Replacing combiphos

combimate is manufactured to high quality standards by Cistermiser Ltd., an ISO 9001 approved company. combimate is WRAS approved. Over time the volume of Combiphos in the dome gradually reduces. The only maintenance required is to change the entire Combiphos contents in the combimate annually. Combiphos is replaced by removing the combimate cover which is released by pressing the two red buttons on either side and pulling it forward. As the cover is released a patented integral mechanism shuts off the water supply allowing access to the Combiphos dome. The dome can then be removed from the body by undoing the red filler plug to relieve the pressure and then unscrewing the aluminium locking ring to change the Combiphos spheres.

Cistermiser Combimate 15mm Scale Reducer Including Combiphos Pack
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Combimate Filler Plug
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Product Information:
Product Price: 118.32 - INC VAT
Product Model: 404COMBI1
Manufacturer: Cistermiser
Delivery Cost: Free Delivery
Delivery Time:1-2 Working Days
Technical Brochure:Click to View
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