K
kay-jay
just a quick question
what does discolouration on the sight glass window of a combi boiler signify? it is kind of milky/greyish can still see flame but not clearly.
is this potentially a dangerous fault?
i noticed this on a mates boiler when i was re-pressurising his system.
thanks
KJ
what does discolouration on the sight glass window of a combi boiler signify? it is kind of milky/greyish can still see flame but not clearly.
is this potentially a dangerous fault?
i noticed this on a mates boiler when i was re-pressurising his system.
thanks
KJ