Recent content by dckb750

What descaler do you people use when you have removed the dhw plate exchanger, i have put a hose pipe through it and the scale will not come out, also who stocks the seals for an alpha 240 eco heat exchanger. any sensible replies ?

i have been told it needs a new heat exchanger at £140 is that a rip off

wouldn't it do the same in central heating mode ?

For the last week or so my boiler has been making a noise like a jumbo jet is passing over the house, but only when the hot tap is turned on. If you leave the tap on the noise goes away temporarily, but then returns about every 40 seconds or so. It appears to be somewhere near the top of the...