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or the toilet fill has been connected to a hot water pipe. It may have happened!!!!

should i try and get more 22m pipework in the return back to the loft?

should a 15/60 grundfoss pump be able to run 9 rads spread over 3 floors if it is positioned at the highest point (i.e loft) assuming everthing else is working fine. Has it got enough flow and power to get hot water in the heating down a good 5-6 metres and back up again. If not is there a more...

it should be fairly straight forward but as always depends on how competent you are. I do not haver experience with this boiler or indeed know if it will take a timer. It should be a matter of getting a timer to connect to the control panel at the boiler. usually wired, but can have rf...

I have recently changed my rads. boiler is in the loft (converted to bedroom, so also has a rad). I took out some lengths of 22mm pipe on the first floor and replaced with 15mm.(it was a mess and noisy so decided to replace it while changing to new double finned rads) I cant seem to get all the...

Can anyone tell if the burner can generate air bubbles in the water of a sealed heating circuit. I have used an additive from wickes. I read somewhere that co2 can be produced when the water gets hot. Anyone have similar issues. I have no leaks or pressure drop. the rads are generally air free...

once you are sure the air has gone you may find the rads closest to the boiler heating up and the ones furthest away not. close the ones closest to the boiler a bit and keep trying. (balancing ) Another thing, if they are double panelled rads they sometine have two bleed points one for each...

had this for 5 yrs , no probs. just replaced all the rads and keep getting air passing thru the pump after the burners have been on a while. The burner cuts out and eventually the air disappears. the cycle repeats when the burners kick in. should the auto air vent stop this. Is it CO2? bled the...