Recent content by Ponder

:arrow:

"softus" if you cannot understand the Queens English as per my write ups tough. Please visit my first write up and you will see that on Friday one person read what I had described as the fault and fully understood and replied with holes in the coil and suggested changing the HW cylinder. Now...

1jws15, spot on changed the HW cylinder system works fine and no overflowing, will have to turn temperature down as the water is to hot now may scald if not careful. Will try and find somewhere that can put a pressure test on the suspect coil(pin holes) just to prove the point, will keep you all...

:D :D :D :D cheers guys for all the info, replaced the hot water cylinder all works fine now, main thing is the overflow is now redundant. The thought is there is pin hole(s) in the coil which was sucking the cold water out of the HW cylinder when the heating is turned off and back flowing...

Ijws15, think you have hit the nail on the head, Have 1 small header tank, and 1 large cold water tank , it' not a combi, at present I have the gate valve to the header (small) tank shut. which stops the problem of it overflowing. Suppose the only solution is to change the hot water cylinder...

cheers guys for ideas, cold feed expansion is not blocked, spoke to a plumber (?) last night he says it could well be a hole in the hot water coil inside the hot water cylinder, with all your experience somebody out there must have had this problem before. The problem is I have had to turn...

when central heating is turned ON it empties the header tank. When it is turned OFF it then back flows and causes the header tank to overflow.

62945835 and Lagerkhan many thanks for the information

How do you know which hot water cylinder you have fitted, i.e. direct or indirect and what is the difference. :roll:

header tank has been overflowing for 3/4 weeks, fitted 2 new valves and floats, done all the adjusting to no avail. Have now fitted gate valve to water "in" and turned valve off, with boiler (Worcester 14/19cbi, new ) turned on to central heating/hot water I have found that the header tank...