This is all well and good but you guys are getting too technical for me.
What would happen if my mum did not check the water level and the water totally evaporated.
My mum has recently moved into a McCarthy Stone property with this boiler supplying hot water. I have jus found out that she has been told to top up the feeder tank every three months.
She is worried about what happens if she forgets to do this. No one in the complex knows what to do and...