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call for heat run a tap, fan not spinning pump working d/v switches correctly nothing else

weargas thanks for the reply with you saying there is no flow switch should i have 240 v at the fan, why do you think it worked for c/h before and not now. thanks

i have installed a new diverter valve to my wickes 2000 boiler aka halstead quattro due to having no hot water. the boiler will now not fire for c/h or h/w . if i open the hot tap the d/v works as it should the pump runs nothing else after that. the boiler is pressurized to 1.2 bar. before i...

thanks for your post croydoncorgi,i will strip down the gas valve and clean filter as i am corgi registered. they don't teach you everything there is to know on the ccn1 about boilers etc .i only got my corgi 6 months ago i ve got alot to learn yet but thank you for your help :)

hi, i have the above boiler , problem is the there is no hot water.the heating side works perfect the boiler does not make any noise when hot water is called for . the flow rate of water coming out of the hot tap is very poor would this indicate a scaled up dhw heat exchanger. would the poor...

where abouts in the goole area are you from

hi , potterton suprima 50 conventional boiler, open vented system. when power is switch on green and red lights come on for approx 3-4 secs, green light then goes out and shortly after that the fuse blows in the fuse spare. the pcb shows signs of scorching if this is faulty would it cause the...

plumber will, it is a gas fired combi

hi there i need to remove a chair brick from a fireplace opening to allow for a inset fire to be installed.does anyone have any experience of doing this any help would be great. thanks

hi , i have limited info on this problem, the fan on the boiler seems to be hunting for power (1 second bursts) if the tube to the air pressure swith is removed the fan works correctly, when placed back into position the fan hunts for power again. the boiler has had a new air pressure switch...

hi, would any one have an idea what the cost will be for the commissioning a combi boiler in the yorkshire area

hi , can anyone tell me if they know of any websites with a c/h calculator on it (size of room, outside walls etc) cheers

hi galwag, thanks for the post i think it is a diaphram prob but all the help is greatly recieved

hi dp, cheers for the post, the ch is working its just the hw thats not

thanks for the quick response ,what is the best way of checking the over heat stat is faulty

boiler is combi vokera 20/80 rs flowmatic , the ch is working fine but there is no hot water. when hw is drawn from tap its is hot then turns cold within seconds boiler doesn't fire up .if i override the microswitch the boiler fires is this problem probably due toa faulty diverter valve,diaphram...

i have limited information on the symptoms ,when hot water is drawn off from the tap it is hot to start with but turns cold after filling about half a bowl . from what i've been told i think the boiler shuts down. the ch is working fine any advice would be appreciated

ive only been plumbing for a short while and wanted more info as you know knowledge is power

hi cog, basic backgrounds,plumbing and heating systems

its sounds like your thermocouple is jiggered