Recent content by otis

no charge in expansion vessel, drips from prv outside, boiler pressure goes up to 1.8 mlb, no lights flashing, but also drips from reduced pressure zone valve, if expansion vessel gone would this make rpz let water by or have they both gone.anyhelp would be very greatful

can u help please i have a 24i rsf worcester bosch the heating comes on for ten mins then goes off after about another ten mins it relights. i have boiler flushed whole system cleaned heat exchange even replaced pump because it was getting hot it seams there is a blockage in my mind but cant...