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Mend Worcester Bosch Greenstar 25si Pressure Lost Boiler

pressure lost?

Hi my Greenstar 25si boiler just started to loose pressure over 16 hour period, have checked for any leaks on the system . have repressured the boiler but still looses the pressure. any one have any solutions before call in plumber.

john
February 2011
have you checked the pressure relief pipe outside ?

brian
February 2011

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