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hi yeah have a gerkross cosyman 90/120 outdoor boiler hope that is enough info on it ??

thanks pete thought that alright was only running it for 10 or 20 minutes to get the house warm rang a plumber last week to change the stat and make sure system is not damaged still waiting on him !!!!!!!

Hi everyone i have a oil fire central unvented heating system the problem seems to be that the thermostat does not seem to be working as the system seems to be heating up to a temp where you cant put your hand on the pipe and when i move the thermostat the boiler does not kick out it also seem...

Yeah there not that popular yet but plumber told me to change over as kept on getting air locks in the open vented system i think the overflow off the boiler was a bit dodgy had a load of bends in it so i tore it all out and put this in

Thats what i thought and checked all the rad valves for a leak and was thinkin the Kango might have to brought out to do some work :oops:

Thanks Kev was worried in case house blew up but couldnt figure it out as i had done all the conections right

Hey everyone just changed my system from a open vented system to a sealed system with a 12ltr expansion vessel the problem is after i done all this and thought everthing was ok (after pressurising the sytem to 1.5Bars turning heating on) I woke up yesterday and the pressure was at .5Bar. I...