Recent content by slimsoul

More pics added

Hi, many thanks for the reply. There is no bypass valve between pump and valves, it tees after the pump to CH valve and HW valve. The pump usually stops on demand, it has continued to run twice i think in the last year, when I have manually turned the lever on the CH valve to stop it? I...

Hi, I have a Grundfos alpha+ 15/50 pump which is making a pulsing noise intermittently when in the variable speed setting (which is the setting it was set at when i bought the house, and not making any noise up until last year) it runs for about a minute smoothly then starts pulsing...

C/H