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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Worcester Heatslave 9 - 24 Low hot water flow
Hi can anyone help
I have a worcester 9 - 24 heatslave combi boiler. I have just replaced the pump and diverter valve. The CH heating is working fine but I can't get any hot water. When I turn on the hot water tap the flow is very low i.e not at mains pressure as it should be. Anyone got any ideas? Cheers |
#3
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Its the flow at all hot taps.
The pressure on the cold water is fine. The cold feed is on fully. There is no dirt in the inlet strainer. I did find a valve on the diverter that when I turned it increased the flow, but it still doesn't seem to activate the diverter valve. Could there be air in the system? How do you go about removing it. Cheers |
#4
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On Wed, 20 Jul 2005 01:35:20 -0700, wrote:
Its the flow at all hot taps. The pressure on the cold water is fine. The cold feed is on fully. There is no dirt in the inlet strainer. I did find a valve on the diverter that when I turned it increased the flow, but it still doesn't seem to activate the diverter valve. Could there be air in the system? How do you go about removing it. Cheers OK. I'm a bit confused about the terminology here. The valve you turned is probably a flow adjuster and/or cut off for the HW and opening it to get the required flow for the HW taps is good. If you don't get all the air out from the primary circuit when you refill the boiler then you will have all sorts of problems. There is invariably an auto air vent in the boiler somewhere but they often have a dust cap which may be closed. Or it could just be gunged up. You needn't worry about getting the air out of the HW taps it finds it own way easily enough. When you draw hot water the boiler should do something even if it does not heat the water, does it do nothing? To help you further I'd have to really get to grip with the layout of this particular unit. What I've said should work for most combi boilers. -- Ed Sirett - Property maintainer and registered gas fitter. The FAQ for uk.diy is at http://www.diyfaq.org.uk Gas fitting FAQ http://www.makewrite.demon.co.uk/GasFitting.html Sealed CH FAQ http://www.makewrite.demon.co.uk/SealedCH.html |
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