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hi I have an old system with gravity feed hot water to tank in loft and the heating is powered by a pump next to boiler, problem is the hot water tank is taking most of the flow and hot water from the rads so I have been told which is why we are having trouble with the heating and balncing of...

hi could any one help me I would like to add some rads to my system the main flow and return are 22 or 28mm and the of pipe to the rads are 15mm my question is when branching from the main flow and return do you have to come at a right angle to the pipe ie stright from main to elbow and drop to...

i have had problems with my heating it was fine last year but now when i put it on it would not work, i called a plumber out who after looking around told me he thinks it needs cleaning to which he did he put some kind of stuff in the tank in the loft then came back after a 3 week wait he then...

ok so i have had 2 days trying to get it right with no luck, first i opened all the rads flow and return just like your told to switch heating on and work out which heat up first on the run thats fine for upstairs but none of the three rads down stairs get remotely even warm even after balancing...

keep getting air in the 2 highest rads no water leaks water level good in header tank checked as best i could for the joints leaking any other likely places it may get in

when replacing or adding a new rad which is the better the feed at the top and return at the bottom or vice versa

sorry to sound thick but when balancing the rads the experts say 20 deg difference between the flow and return on the rads using 2 thermometers don't have such things so basically should the return be red hot , hot, or hand hot just as a rough guide thanks

same prob as yesterday today i emptyed the system flushed through yet again put new grundfos pump on this as same as old one on the return near the back boiler filled the system back up from the mains out side to force air or any blockage water came out from the over flow let all air out from...

after getting the hot water to the up stairs rads i have a problem getting the water down to 2 rads down stairs they all run of the main flow and return pipes, even when i switch the pump of and heating drain hot water down through the rads themselfs they soon go cold again, any ideas would be...

i can get some of the rads hot as i go around balencing one rad clacking the thing is the pump on the return is very hot but the 22mm return pipe is cool what could be causing this any tips would be greatly recieved

Hi i was wondering if anyone could help me, i have an old back boiler that still works fine it is a open vented system with the tank in the loft, the water is set at correct leval when cold, i have a problem getting the rads to work tried a new pump had the rads off about 5 times hit them and...