• Jade Price

Eliminate over half of your boiler callouts with the next evolution in water management

There are two distinct elements to a traditional central heating system: the heat source and the wet side, consisting of the boiler and radiators, pipework and water within them respectively.


First highlighted by ADEY in the late 1990’s, the significance of water quality and how it can affect the running efficiency and longevity of the boiler has only recently started to become fully appreciated. Managing the quality of water in a central heating system result in reduced carbon production, inefficiencies and boiler failures.

This appreciation can be seen in the introduction of BS7593, the British standard for preparation, commissioning and maintenance of domestic central heating and cooling water systems. This has to date been an advisory guide but is due to become legislation by early 2022 evidencing the government’s commitment to carbon reduction and appreciation of the value of a properly maintained heating system.

The combination of AutoFill and AutoDose is the most complete water management system since Magnaclean.


One of the main causes of boiler failure is sludge or magnetite build up in the system causing stress and damage. BS7593 focuses on the correct level of inhibitor chemical being present in the system. Chemical inhibitors have been designed to minimise these issues and protect the system from the inside, but this only applies if the concentration is correct. One national boiler maintenance provider found that from a sample of 1000 properties 85% were either under dosed with chemical or had no chemical at all!

One of the largest causes of callouts for our clients is under pressure boilers, with one client saying over 60% of their callous were due to this. When a heating system is topped up the inhibitor is diluted so the protection is reduced.

With such a large proportion of a portfolio potentially under dosed with chemical, causing mechanical issues, and high numbers of callouts due to low pressure, costs will mount.


So, how can you solve these issues and reduce costs?

AutoFill and AutoDose combined will eliminate the need for low pressure callouts and ensures inhibitor compliance autonomously. The full audit trail for these devices allows for ongoing investigation and proof for compliance to new regulations with no added work.

AutoFill is the autonomous boiler pressure top up device that monitors water pressure in a system and will top up as necessary. If a burst pipe is detected, the device will not attempt to top up the system instead sending an alert to the service provider so the issue can be fixed. Slow leaks will cause a pressure drop over several weeks or months, AutoFill will ensure that the system pressure is maintained and will notify the service provider of the situation.

AutoDose works alongside AutoFill to ensure that a system is always dosed correctly. When AutoFill tops up a system’s pressure, AutoDose autonomously doses the system with the correct level of inhibitor, ensuring a system is never under-dosed, or over-dosed and always fully protected.

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