Reckon you are right kenton

My combi did that and the pressure had dropped below 1_bar and is sposed to be over 1.5 so once I opened the valve and upped the pressure it ran fine. It was around 12 years old and I needed to up the pressure more offer as it got older. No drama took about 1 minute

Posted By: Men without hats, Jan 10, 13:52:36