Looking through the manual on this one and was wondering if you guys could help me out.
Symptoms so far:
DHW light quick flashing
Error light only flashes when hot water is used (so far)
Only seems to happen when the CH is turned up to near max, but seems ok at 3/4
When CH turned...
replaced 3 o rings and one flat washer - i guess the stuff on there was silicon grease as it was a nightmare to was off my hands
the pipe that is leaking seems an odd connection in that its just a small pipe that slides into a larger pipe with an o ring inbetween, no threads, just relies on...
just done the job and its fixed the problem, but annoyingly one of the joins on the heat exchanger is leaking - the old one had loads of a putty like substance on it which i assume i need to seal the join correctly.
each of the joins has an 'o' ring and the two joins which can be tightened...
when you say drain the boiler, will that be a bucket under the boiler job?
how many litres of water will i be expecting to catch?
i have the manual so i'm sure i can find the proper drain if i look hard enough.
then once the water is off/boiler drained its just a quick swap and...
having read the faq i believe my heat exchanger may be holed so i'm just looking for confirmation before ringing someone out.
its a worcester bosch 28cdi
i can use the pressure release to get it down to 1-1.5 bar but within an hour its at 3+ and activating the pressure release on its own...