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Doser / Limescale Inhibitor Unit  PHOSDOSER

Doser / Limescale Inhibitor Unit PHOSDOSER

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Product Detail

Anti-scale and anti-corrosion treatment of water wiht neutral pH and drinking water for domestic and industrial installations.

Domestic use: Protection of pipes, taps, boilers and other installations for applications with use of drinking water.

Technical use: Protection of pipes, fittings and water heating systems.

Maintenance: Change the polyphosphate refill every 6 months.

It is advisable to use a prefilter to protect the dosing system.



Working conditions

Max working pressure: 8 Bar 

Max working temperature: 35°C

Max total hardness: 50°F (500 ppm CaCo3).

Once the water has been treated with with polyphosphate it can be heated up to a max temperature of 75°-80°C, beyond that temperature the polyphosphate gradually loses its efficacy. 


Non- toxic materials, suitable for drinking water.

Head and ring nut: reinforced polypropylene.

Bowl: SAN. O-ring: ETP.

Breather-valve: body polypropylene, O-ring ETP.

In/out threads: CW 614 N brass inserts.

Nozzle: CW 614 brass.

Diffuser tube: polystyrene.

Treating material: Sodium polyphosphate crystals.

Storage time : max 12 months.

Max flow rate: up to 36 Lpm.


Silverline UK

Based in Devon, with distributors throughout Europe, Silverline UK Limited manufactures a wide range of water treatment systems and products.

Reasons to choose Silverline Uk

  • The highest quality materials are always used.
  • We have a technical team available to interpret your water report and give advice on suitable solutions.
  • We can advise and manufacture to your specific requirements.
  • We have a wide range of products to meet your individual needs, domestic and commercial.
  • Prompt postage or delivery with a range of carriage options.
  • Reminder service to let you know when your filter/cartridge needs replacing.
  • Wide range of WRAS approved products.
  • All components and parts conform to British standards BS6920
  • The filtration media are approved by the Drinking Water Inspectorate and the Department of the Environment
  • Careful testing is performed on all our products and reports are available for many to substantiate performance.
  • Friendly well informed staff happy to assist.