Makkie, the problem as i suspected, an airlock, but not the variety which
shows itself with big gaps in the flow of water (air burst's, then water
releasing or no water at all) from the hot water tap, but because a new
water tank was fitted above a newly built level of flats.
The problem...
Hello Makkie
I seem to be having the same problem, i've checked the boiler and pump, the automatic flow valve, and the flow and return pipes to the cylinder and they are all ok (pipes are good and hot). There is no air in the rads, the only other thing i have noticed is, when i first turn on...