My boiler is a true problem, there was no hot water when i moved in so i called up the boiler engineer (under warranty) and he removed the trip out switch on the boiler and turned on the water heat switch along with the other 2 switches. And said to leave them all on all the time. my boiler started to play up again, ** after receiving my SECOND £300 electric bill for a quarter ** As the boiler was now out of warranty i called a local boiler engineer who then replaced the trip switch and said it was against the law to remove it!! As the led on the boiler stated there was a fault on the sensor he replaced it. and left there is still no hot water ?? BOILER TYPE : Pulsa Coil 2000 by Gledhill.