What can cause knocking noises in boilers?

Boiler noise results from localised boiling of the water. This happens when the inside surface of the boiler becomes too hot due to scale or baked- on sludge deposits.

All systems over five years can suffer noise and new boilers in old systems are especially vulnerable. Add Fernox Boiler Noise Silencer F2 and / or de-scale the boiler with Fernox DS40 System Cleaner and protect with Fernox Protector F1 or Protector + Filter Fluid.

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What are the benefits of using the TF1 Omega Filter?

The TF1 Omega Filter collects all types of corrosion, scale and installation debris. By preventing these contaminants from circulating within a heating system, energy efficiency levels are optimised and the inconvenience of a system breakdown coupled with a major repair or replacement cost can be avoided.

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Can I use Fernox Protector F1 or Protector + Filter Fluid in old systems?

Fernox Protectors are suitable for use on systems of all ages. However, it is advantageous to clean and flush the system with Fernox Cleaner F3 to remove sludge before adding the Protector F1. Alternatively, the universal Fernox Filter Fluid+ Protector can deliver sludge and debris to an existing in-line filter or a newly installed TF1 Filter, whilst protecting the system

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