Recent content by phi

I had thought about it but dismissed it as the DHW heat exchanger was replaced new by Worcester. No reason to believe it was not new unless there is new and old in the back of the van... However, in as much as I keep emptying the boiler and yet it is still full of water then this is probably...

The pressure has suddenly been rising over 3 bars on my boiler and an engineer replaced the expansion vessel last week. Despite the new vessel, it is still rising and the pressure relief valve is striggered when the pressure reaches over the 3 bar. Once the boiler is cold the pressure only...