Recent content by Harry s

Ericmark, thanks for quick reply. Have to say I am not fully understanding your info. however I get your gist and I will endeavour to get my head around it. Will get back to you when I have sorted it out.

We have an oil boiler fitted with Drayton LP722 programmer. The boiler appears to control the hot water? But constantly runs when heating is off. Thinking about fitting an HTS 3 Tank thermostat, had one fitted some years ago with a Smiths system, this was just a tank sencer with no power...