Recent content by orallyman

It's an air bubble type. There is a procedure on the side of the cylinder involving opening taps/valves etc. Is this what I need to do?

By the way the system was installed last July.

Hi all My system was upgraded to an OSO 210 litre unvented cylinder on a new Grant Vortex oil condensing boiler with an S plan arrangement. All has worked well and I am overall very pleased with it. Until recently the HW has produced amazing pressure when first turning on the tap which has...