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I am in the process of running a new uprated shower cable from the shower's DP switch back to the consumer unit. Due to the fact I am using 16mm cable (9.5kw shower, but the local CEF only had 16mm in stock, so let me have it for the price of 10mm) I cannot route it the way the original cable...

:D :D :D :D :D :D :D :D Airlock was the culprit. Loosened the vent screw above the hot water cylinder and a large gush off air came out. Water is now piping hot again. Many thanks to all that replied :lol:

.j

hi. i think ive seen the vent, just a knurled nut. do i just open it and wait for air to escape?. heating on or off while doing this ?

3 port valve was only replaced last year. valve is moving when thermosat calls for heat / water

boiler is in the kitchen and pump is in the loft space

Hi. I have recently replaced my central heating pump with a grundfos alpha. since doing so, my rads are getting nice and warm but the hot water only ever gets luke warm, no matter how long I have had the water timer switched on. I have a conventional bolier, fully pumped system with 3 port...

Hi all. I have replaced on old radiator with a new one of a higher btu ouput. The problem is, the new only getting luke warm..nowhere near as hot as the original. Here's what I've tried so far... Bled radiator (all air expelled, just water coming from bleed valve now) Lockshield valve...