Recent content by Speedshery

Hi All, I wonder if you can help me here. I have a Potterton Promax HE Boiler, which decided to break down 10 days ago. Basically it won’t start and when I rest it using the reset button on the boiler itself … it tried to start and I can hear the spark for 3 or 4 times and then it gives up and...

Hi, I have a Potterton Promax HE boiler. Which has not been on for central heating for the last 2-3 month. The problem is, it works fine with heating the water in the water tank. However when I put the thermostat up for the central heating, it struggles to start. It keeps trying to fire...

Many thanks for your reply I found the Wiring Diagram on the back of the Old Potterton Thermostat and add its photo. Think that the Red will go to the ON and the Yellow will go to C .. is that correct?

Hi all, It looks that it is time to change my old 3 wired Potterton Thermostat as it is not responding correctly. I got a new battery operated Drayton digistat 22083. This model requires only 2 wires. I know this has been mentioned before on these forums however the colours of the wires I...