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View Full Version : Is there an airater in a central heating boiler


davesmells
Feb 7, 2010, 02:52 AM
I have changed my bath taps and when turning the mains water supply back on I had no pressure for the hot water and very little water coming out. I traced it to the gateway valve and replaced that but the supply is little improved. I found on this web site to flush out the tank, but when I undoe the drain valve on the tank no water comes out. What do I do next?