My boiler is a Worchester 28cdi pressure is increasing up 3 bar?
My boiler is a Worchester 28cdi pressure is increasing up 3 bar by itself ,but is working fine ,even though I have drained the water pressure with release valve ,and even though the boiler is not been used the pressure goes up by itself, I drained it to bring pressure under 1 bar ,but after few minutes it was back up to over 2bars.
if it's going up WITHOUT the burner ever being on, you most likely have a faulty plate-to-plate heat exchanger. make sure the fill loop key is out, and that there are no old fill loops anywhere on the system
andy
February 2010
Automatic Answer
We may have found other answers which could help you.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix home heating systems.