MegaSack DRAW - This year's winner is user - rgwb
We will be in touch
I have a Worcester Bosch combi boiler and the central heating keeps losing pressure. Ideally, when cold, it should be 1.5 bar but needs re-filling very frequently and can drop to zero overnight. There are no obvious leaks from any of the radiators and there are 10 in total. A couple of questions...
How much water is potentially being lost?
Could the water be lost via the boiler and not via the central heating pipework?
Any tips for tracing the leak?
The boiler is regularly serviced so I’ve not neglected anything!
Any advice greatly appreciated....
Cheers,
GQ
[EDIT] - sorry, wrong forum, mods can you move please? Ta.
It could be a leak in the drain valve or pipework that is hidden.
if the expansion vessel has depressurised it could be PRV.
could be a very small hole in the system - anywhere....
i had similar wheni converted from an open pumped system to a closed pressured system.
had a leak in an historical soldered joint that misted/jetted when the heating got warm no discernible wetness to the external.. took an age to find it - ended up putting UV dye in the water and using a UV torch along all the pipe runs to locate it.
since then no pressure drop !
Faulty pressure relief valve in my case.
Thanks all.
had a leak in an historical soldered joint that misted/jetted when the heating got warm no discernible wetness to the external.. took an age to find it - ended up putting UV dye in the water and using a UV torch along all the pipe runs to locate it.
I'm hoping it doesn't resort to this!
How good are they leak sealers such as Fernox or Sentinel?