The morning started with the boiler banging away, so I went to focus and bought some fernox central heating restorer. It said drain the system and run for a week. So I proceeded to drain the system I attached a hose to the drain cock and the water began to drain away then it stopped . When I checked the header tank it was still full . I guess I've got an airlock, have tried attaching a hose to the outside tap and filling the system up this way, but no luck. Has anyone got any ideas what to do.
draining down
- Thread starter bazz
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Does nobody ever search the forum for related posts? 
If you have tied the ball cock up, AND you have a drain cock open AND water comes out, the tank will empty unless you have a blockage. Search for information about feed pipe blockages and you should find a solution. Though I don't think you would like to do it at this time of night.
If you have tied the ball cock up, AND you have a drain cock open AND water comes out, the tank will empty unless you have a blockage. Search for information about feed pipe blockages and you should find a solution. Though I don't think you would like to do it at this time of night.
B
breezer
oilman said:Does nobody ever search the forum for related posts?
new people do not search as they seem to think the problem is unique to them
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