24-09-13, 08:00 AM
(24-09-13, 06:20 AM)jon link Wrote: Is it an expansion tank for a sealed central heating system to do away with the header tank?No !!!
Its a job to see if it is tee'd into the heating pipe or goes up behind it.
It is not big enough for an expansion vessel.Could be a seperator to give expansion and cold fill without short circulating.
An ageing test pilot for home grown widgets that may fail at anytime.