Domestic pumped hot water and central heating system.
whining noise from 3 way valve in airing cupboard, if I bleed air from bleed valve adjacent to it - noise stops, however noise starts again 30min to hour later and I bleed the valve again - any ideas where all this air is coming from?
Reading through the other posts - has lead me to ask another question?
Should the central heating header tank be higher than the the cold water storage Tank and if so, by what part of it and by how much?
I replaced the Cold water tank a year ago - and placed the new plastic one on top of the old galvanised steel one. Which resulted in the bottom of the central heating header tank being 25mm lower than the new Cold water tank. Therefore the top of the water in the header tank is 250mm lower than the top of the water in the cold water tank. Could this be causing the problem of the water in the header tank being HOT! and over flowing regularly.
whining noise from 3 way valve in airing cupboard, if I bleed air from bleed valve adjacent to it - noise stops, however noise starts again 30min to hour later and I bleed the valve again - any ideas where all this air is coming from?
Reading through the other posts - has lead me to ask another question?
Should the central heating header tank be higher than the the cold water storage Tank and if so, by what part of it and by how much?
I replaced the Cold water tank a year ago - and placed the new plastic one on top of the old galvanised steel one. Which resulted in the bottom of the central heating header tank being 25mm lower than the new Cold water tank. Therefore the top of the water in the header tank is 250mm lower than the top of the water in the cold water tank. Could this be causing the problem of the water in the header tank being HOT! and over flowing regularly.