My heating engineer commented on the need to fit something to your boiler if you have a water meter fitted. I think it was a compression kit or something. Before posting I googled it and found this:Resolving the Issue of a Water MeterManufacturers of boilers and other mains water handling equipment and fittings in the heating and plumbing industry have noticed in recent times an increase in the number of incidents where a boiler/fitting/pipe etc has suffered distress or damage as a result of mains water pressure or water hammer.It has come to light that this can be as a result and subsequent to the installation of an internally installed mains water meter that incorporates a non return valve.Traditionally water expansion in the domestic hot water system on combi boilers is accommodated via the mains cold feed supply but in instances with a non return valve no facilitation is available and an increase in the system pressure can occur and result in component or product damage.The level of damage can vary from a simple domestic flow switch turbine crushing or fracturing through to pipes or fitting blowing apart, in some instances the property can receive water damage.This is just an ex excerpt as it was long and technical and it was an advert so, worth checking , if you’re having a meter fitted possibly.
Maggie Dodge ● 884d