Posted by Philip Blackmore --Previous Message-- Regards Phil.
on 1/5/2004, 8:55 pm, in reply to "Worcester 350 Boiler"
: My Combi boiler has started making large swings in pressure from
: when it is not in use and cold to then the heating is on. I.e
: moving from just under 1 bar to nearly blowing the relief valve
: at 3 Bar. Does anyone know what is wrong?
:
Sounds like your pressure vessel has gone - you know that big red cylider. If you remove the dust cap of the vessel and insert a match stick, you should only get compressed air. If you get coolant your vessel needs replacing. I payed about £75 for mine, but look around prices vary enormously.
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