Recent content by JMJ

Just did it a few hours ago, so will observe over the next few days. Thanks for your help :)

Thanks everyone - these are all very helpful responses. It is a Megaflo with an open heating system. Not sure if that is kosher or not, but it was just a straight replacement of the old vented tank for the new Megaflo. I think I am leaning for having someone in to look at it, but I wanted...

Our expansion tank overflows on a rather regular basis into our garden. I assume related is a rather large amount of air that accumulates in the upstairs radiators, so I bleed these regularly. The house is old, so it can be assumed that the radiators are probably from the early 70s...