About The Sentinel System

Best practice, best solution

Lifetime protection for heating and hot water systems with the best practice process of Clean, Protect and Maintain.

The Sentinel System: Clean


to prepare for greater

"Cleaning a dirty central heating system could save you £124 every year"*

  • The Compliance Guide to Part L of the UK Building Regulations now states that when installing a boiler onto a new or existing central heating system, the system should be thoroughly cleaned.
  • Cleaning a new system will remove any installation debris and flux residues which if left inside the system will cause corrosion.
  • Restoring an old system will remove sludge build-up, improving the efficiency of the system and help save on fuel costs.

*Based on the cost of replacement heat using an electric heater

The Sentinel System: Clean


to prolong system
life and efficiency

“The absence of correct water treatment can reduce system effectiveness by typically 15%”

  • After cleaning, it is important to protect your system from returning scale, corrosion and sludge build-up.
  • Both chemical inhibitors and physical system filters are proven to provide ongoing protection for the life of the system.

The Sentinel System: Clean


to ensure durable

“1 in 5 households in the UK have suffered a heating breakdown”

  • It is important to ensure that once a system is cleaned and protected it is maintained on an annual basis.
  • Many factors can reduce the level of protection of a central heating system, for instance system water losses by the removal of a radiator whilst decorating. We therefore advise checking the quality of water and level of protection annually.

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