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    Worcester 28CDi Hot Water Light Flashing Fast

    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...
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    boiler pressure rising constantly

    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...
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