Recent content by martyw

Or if anyone knows where I can find a manual online (free)?

I seem to have a problem with my external thermostat (Drayton RTS 1 connected to a Potterton Puma 80). The thermostat no longer clicks on or off whatever the setting (relay gone?) - so I replaced it with another RTS 1 unit, but same problem. So either I'm really unlucky and the replacement...