Recent content by Chris Baker

Thanks Stem. I will take a look at the PCB and start chasing the wire that gives the +vet feed. The only reason I was going down the bimetallic contact thermostat was I remember that the engineer who serviced the boiler said that same pipe was leaking. During the summer so heating was always...

Sorry I should have said that on this bimetallic contact thermostat there are 3 connections. The installation leaflet says: Terminal 1 = common Terminal 2 = opens the circuit when temperature rises. Terminal 3 = closes the circuit when the temperature rises. The wires are connected to terminals...

Hi Stem. Firstly, many thanks for your reply. I have made the assumption that the programmer is working as it switches on (respective CW or HW lamp illuminates) when the timer function tells it to. I have tried your recommendations and can advise that: Mains available at boiler and programmer...

Hi all. Please can I ask for some assistance if possible? We have a Gloworm Micron boiler controlled by a Siemens RWB9 programmer. The timer function works correct at the programmer but the boiler runs continuously if allowed to! Regardless of thermostat, frost stat or programmer setting. The...