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I have a Mynute 15 HE that is about coming on for 7 years old. It's providing the heating and the hot water via a hot water tank, no cold water header tank.
The problem I have is it used to sit happily for months on end at about 0.5 bar when cold, rising to about 2 bar when running.
Now it keeps subsiding, for instance it is now registering about 0.25 bar when cold, despite being topped up to nearly 1 bar last week. It still reaches 2 bar when running.
I have no sign of a leak anywhere that I can see.
The only other strange thing I am aware of is the kitchen radiator is a double skin and on one rad you can completely remove the bleed plug and not get a drop of water out of it.
Any help gratefully received.
Tom
The problem I have is it used to sit happily for months on end at about 0.5 bar when cold, rising to about 2 bar when running.
Now it keeps subsiding, for instance it is now registering about 0.25 bar when cold, despite being topped up to nearly 1 bar last week. It still reaches 2 bar when running.
I have no sign of a leak anywhere that I can see.
The only other strange thing I am aware of is the kitchen radiator is a double skin and on one rad you can completely remove the bleed plug and not get a drop of water out of it.
Any help gratefully received.
Tom