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Hi Guys, A quick update, I changed timer programmer PCB, & the problem was sorted so again thanks to this brilliant forum I had some great help & advice my boiler lives for another day. :D :D :D welshcob

Hi John, Yes I get a audible beep when the hot water tap runs & nothing with no water running, does this means it's likely to be the PCB. Welshcob

Hi John, My son has just come home, I've had him to turn on the hot water tap & I can hear a clicking sound as the hot water tap is turned on, would that indicate the flow switch is OK, if that's the case might it be the PCB is there any way of testing it before I go out & buy one. Thanks...

Hi John, Thanks for replying so quickly. Yes I've scrolled through it many times, there is no click as I scroll through no sound what so ever, might it be the flow check valve???, the 2amp fuse is good. Kelvin

Hi Guys, I hope some one can hep me PLEASE, I have a Worcester Heatslave 15/19, yesterday the hot water light wouldn't switch on, if I set the programmer to hot water on, the red light next to the LCD screen doesn't illuminate, my cold water pressure is good, the water pressure from the hot...

Hi All, Success the new pump is fitted & running OK, although that said while I was testing everything I found the micro switch on the diverter valve wasn't working correctly, in my 1st post on this thread I mentioned that I had changed the diverter about 18 months ago (Honeywell V4044F)...

Hi Guys, Yeah the pump is faulty I run a cable direct from a wall socket & the motor is as dead as a dodo, the pump is made by this company http://www.circulatingpumps.net/ I should have a replacement pump by Tuesday so I'll update you all then. Than you all for you support help & advice...

John, Simond & Spraggo, I think I've found the answer, the NEW circulation pump is faulty, I checked it when I 1st fitted it & is was OK, I just checked it now after burner had kick in & it's not turning, I'm to shattered now to do anymore today so it will be in the morning, fingers crossed...

Hi Guys, Is there anyone else out there that can pick up on this thread, I refitted the heat exchanger & it's still the same, there is no hot water getting through the HE when I open the middle bleed valve there seems to be a lot of pressure on the water coming out, I've tried running with...

Hi John, I got the heat exchanger off there doesn't seem to be any crud in it, there is a one way valve on top of the heat exchanger, as below could it be that this is faulty????? it's position in the boiler is as it is in the photo, the bottom is the front of the boiler, the in & out is...

Hi John, Today I'm going to try taking off the domestic water heat exchanger, the hot water seems to be going to the exchanger, but the pipes coming out are all cold, perhaps there is some crud in it, I'm trying not to buy anything that's not needed, is there any other forum members that...

Hi John, Thanks for the heads up on that company you might want to try this company for parts, the same heat exchanger with them is £98 , www.hwos.co.uk/trade & good next day delivery. Regards Kelvin

Hi John, I forgot to mention this morning while fitting the pressure vessel I had the powerhead off the diverter valve, I checked the valve for movement & I was easily able to turn it by hand about a 1/4 back & forth, there didn't seem to be any tight spots. This is all very strange as the...

Hi John, Today I tried changing the pressure vessel but again no joy, I checked it before fitting & it had been already pressurised to 8.5 psi, I let the boiler fill up very slowly & set the diverter valve right over to the left in the manual position, as the boiler is filling up I can feel...

Good morning to you John, I agree with you in thinking it's a flow problem. When I say it's steam it's more a mix of steam & water, the pump was brand new it's rotation is correct anti-clockwise, the back plate for the pump is correct where you can see the water outlet inside the pump is...

Hi John & Spraggo, Yeah my boiler is getting to be a right pain. John I've posted a photo of the control knob I mention earlier, I think it's something to do with the burner control. Yes I have pressed the red reset button (top Left), after it's run it once (6 or 7mins) I have to wait...