Most Installed Boiler Makes?

[Rob Foster]

That's a fair few boilers Rob Foster

we dont count them , its commercially available info which large companies use
we are relatively small and only design produce and market devices to add on, like the 3 mag filters we did ages ago and the MFd from flowflex ....which is to be launched 2019 as TopUpMate. we have done others and have 3 more soon
Rob Foster aka centralheatking