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Final update Gloworm guy sorted it Blocked DHW heat exchanger 2000802024 He also changed cartridge of diverter valve but it looked ok just a little scaly Real happy with gloworm repair n 1 year cover at 300£ Great service n no exclusions on certain parts that my need repalcing Only wont do...

Hi guys Thanks for all ur advice I have run the DHW with heating on Doesnt flash any codes even after running for 15 mins Just shows pressure varies bet .8 to 1.1 bar I have managed to find another guy who came n saw n said its either diverter valve or pcb The old guy just wants to do a...

Thankyou thanks many thanks popeye Have some spinach on me U r right Its temp display not pressure I am an idiot So when Ch is on it shows temp which varies bet 5.6-6.6 and when u switch DHW on it shows press which is around .8 bar That does mean my expansion vessel is ok Right ????

Thanks Tony What kind of symptoms woulda expansion vessel problem result in ie could it b high pressure Anyways plan to get the gloworm guy in becos Local guy just wants to sell a new boiler

What intially happened is one day the boiler started making a lot of noise and dumping a lot of water outside In came local plumber and he fiddled with it to make it way it currently is Problem is i wasnt home when this happened and i dont kno what he has done Me thinks he may set the PRV to...

hi newbie here so please go easy.... :roll: have a gloworm 30ci over 7 years old hot water has been patchy CH is fine had a couple of plumbers in who say it will be 600+ to repair n might as well get a new boiler installed 2000+ :( am a bit reluctant as apart from patchy hot water its been...