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Can any of you experts guide me in the right direction in testing a DHW thermostat correctly. This is how I tested it I took out the temperature probe from the boiler pocket and placed it inside a cup of water at 90 plus degrees with a digital thermometer beside it. I disconnected the two...

Hi to all that can give me help in testing my Myson MSV 322/07 diverter valve. over the years I have replaced certain parts on the flowsure 70/90 and had no real bother including the actuator head. This time I think the head could be at fault again or there is no signal to tell it to operate...

Hello. I have a 1.1 L reg fiesta and will only start once running for a while. It has a electric fuel pump and its a single point injection. if the sound of the fuel pump cannot be heard then the car will not start. could it be the coolant sensor, faulty pump or ignition barrel to blame ? many...

Hi to all, I have posted a question before on no hot water coming out of my potterton oil flowsure combi boiler. since then an engineer has taken the plate heat exchanger off and chemically cleaned it out. still no hot water, but the pipes going to the diverter valve are really hot. he did say...

Hi again. I have some more information on the boiler. when the boiler is at 70 degrees. I can turn the dhw tap on and it will start as normal,but the water is only just warm. I tested it by turning it off and on three times and it turned off then on as it should do. as soon as it reaches 90...

Hi to all. I have a baxi potterton oil boiler. when it starts from cold it is fine but when it reaches it's full temperature at 85 to 90 degrees the burner does not cut in when the hot tap is on. the flow switch cuts in and I have measured the voltage which is 240 volts and also the relay...