How do I rectify aU9 Code?

Worcester Bosch Greenstar 37CDi Combi showing code U9? My boiler is showing code U9, I know this means that the temp has risen to 99 degrees. The result when I turn the hot tap on the boiler just stop ... more

done

Siemens RDH 10 RF Thermostat not triggering heating?

I have Siemens RDH 10 RF Thermostat and a Worcester Bosch Greenstar 30CDi combi boiler. The battery in the thermostat is fine. The green light is on on the wall sensor. When I turn up the thermostat ... more

Worcester Bosch Greenstar ri 24kw?

WB Greenstar24kw Ri, heating working , but does not ignite for hotwater, so no hot water. (pressuried tanks) but no flashing lights/fault codes, just does not ignite for hot water

done

Broken filler key stuck?

How do I remove broken part of filler key from Worcester Bosch Greenstar cdi

Worcester Bosch Greenstar Ri v Beast from The East?

My boiler has been struggling to reach thermostat temperature and has now started gurgling like its boiling a kettle inside also just noticed some drips of water on the worktop underneath from the pip ... more

done

My heating is on?

Thermostat is turned off so the central heating shouldn't be on. However the radiators are all giving out heat (very hot). Worcester Bosch, boiler Greenstar 24i junior/28i junior MT10RF/mechanica ... more

done

Problem with Worcester Bosch Greenstar 38CDi Classic ERP Boiler?

We had a Worcester Bosch Greenstar 38CDi Classic ERP boiler installed at the end of July 2015. We keep getting EA 56 fault. The regulator on the meter has been changed and a new bigger gas line put i ... more

done

Worcester greenstar combi boiler not heating above 35C?

I have a new Worcester Bosch 30i combi boiler which was installed a couple of months ago, but I just can't seem to get the central heating to go above 35 deg! The pressure is fine, hot water fine, but ... more

bosch greenstar 241/281condensing boiler fitted onthe wall?

I have a greenstar 24i boiler - the heating was switched off in the night a storm raged wind and rain next day water was pouring out of the boiler. The water was dripping off the fan onto the electro ... more

Bosch 35 he leaking & low pressure?

Bosch greenstar 35he plus low pressure & leaking inside boiler have replaced prv & expansion tank as both where faulty isolated heating & pressure drops within two hours,suspect the heat exchanger go ... more

Error code EA 258 on Worcester Greenstar compact 25i boiler?

Got in on New Year's day after a day at work and my partner said heating had been off most of the day and no hot water- was surprised as it was a complete new heating system to replace the old gas-fir ... more

how can i fix my worcester bosch greenstar 28i junior boiler?

boiler fault light showing & will not reset

done

problem filling bosch greenstar 28i junior?

my boiler recently lost all pressure and the hot water has stopped working properly, it comes on for about a minute then goes of for a while then back on again for about a minute. ive read many sugges ... more

bosch greenstar 30si combi?

pressure gauge low but when i turn water valve open no water enters engineer cant find the problem, boiler is working ok

Greenstar RI boiler not working?

We have a WB Greenstar RI boiler that is about 7 years old and has run pretty faultlessly in that time. It has been serviced twice since installation and admittedely the latest period prior to breakdo ... more

when the oil burner starts up the rcd trips out?

my worcester bosch greenstar utility 18/25 boiler will not fire up instead the rcd trips out. I switch the boiler on and the fan comes in 5 seconds later the burner comes in and immediately trips the ... more

Bosch greenstar 24i junior?

Boiler appears to be on at the switch, however no light on the boiler and the reset button doesn't do anything. No hot water or heat. Definitely have credit on the meter....any suggestions?!! Much app ... more

Worcester Bosch Greenstar 30 CDI?

Pressure keeps dropping off over 24 /36 hours. Usually set at 1.5 bar. Anyone suggest cause/actions I can take?

done