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And to add no visible leak

Had been having problem with low pressure. Lots of parts had been changed. PRV, plate heat exchanger, Main heat exchanger, gauge sensor. And engineer after Engineer had lots of visits still fail to solve the problem now they are saying it is leak in the pipes under the floor I had been told...

Could you please let me know how long the heating should be on when we put Fernox leak sealant in the system.Many thanks

Hi Stickinarut.your thoughts pls. Since the Engineer came on the 29th of Dec to take the air out of the 2 nearest radiators to boiler after the main heat exchanger was changed on the 10th of Dec, we have to bleed the radiators at least twice a week to bleed the radiators as it was dropping...

Sorry, had been busy from last few days.Many thanks for all your reply Stuckinarut. It gave me some confirmation and reassurance. So far the pressure went back to 1.7 after it was re pressurised on Sunday and drop to 1.6 today. I am hoping it is all settled now. As you mentioned before., will...

Hi Stukinarut. The boiler Engineer came and bled 2 of the radiators that were nearest the boiler. From the original 1.7 pressure it went down to 1.4 after bleeding the 2 radiators.he tried to re pressurised but it didn't go up further. He said that it is the pressure of the water coming in the...

Stuckinarut. As my previous message earlier. It is only 1 out of 9 radiators at home that seems to have air. The one in our bedroom which is opposite the boiler room. I hope it is not a big issue.

Thanks Stuckinart. So far it kept on 1.7 pressure upto now. The only problem we noticed now is it looks like one of the radiator is with air because hot on bottom and cold on top but last week it was only cold on the left side(bleeding point) now it it is on the whole top area of the radiator...

Hi. I hope someone could help me. We got glow worm cxi boiler pressure dropping, topping the loop almost 24 to 26 hrs.Engineers changed Quite a few parts. Water heat exchanger.PRV.expansion vessel apparently working well. Leak detection done on the system after Engineer isolated the boiler and...