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Over the last few days we've noticed an issue with the central heating header tank dripping via the overflow pipe outside sometimes. Having been up and examined the tank a few times, the water level is consistently at the level of the bottom of the overflow pipe. Not knowing too much...

Thanks for all replies above. Changed the mid position valve last night, after draining radiators with a bit of help from a friend who knows far more than me about this stuff! Seems ok now, not dripping :) and no power outages since.. Not changed pump, which so far seems ok, fingers crossed.

ok update. Above the pump is a white box (or more correctly 22mm Mid Position Valve now i'm starting to get to know these bits!) with WMH on, and its dripping from the bottom of that. Does this mean a replacement part is needed, or can i get away from tightening something??

Not certain about the overflow. However just noticed small pool of water underneath pump on hot water tank... guess the pump gets wet and it doesnt like it much! Question is, wheres the water from... looks to be same as... //www.diynot.com/forums/viewtopic.php?t=89173 ugh...

Hi, hope someone can help shed some light on this.... last night at around 10:30pm, the house consumer unit (a crabtree starbreaker) central on/off switch tripped, taking the house's power supply down. After a lot of investigation and resets, it was found to be down to the boiler. The...