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Mend Worcester Bosch 28CDi Home Heating Systems

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Mend Worcester Bosch 28CDi Boiler Pressure Heating

worcestercombi 28cdi rising pressure?

when the boiler is not working the pressure rises even when the water inlet valve is disconnected but when i turn off the house mains water stop tap it stops rising. seems there must be a leak in the boiler somewhere? but i dont know where.can anyone help pinpoint it.

graham fisher
January 2012
Worcester BoschWorcester Bosch 28CDiHeating, Home Heating SystemsBoiler Pressure Heating
may be hot water heat exchanger has crack ,replace with new one

ltd
January 2012

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