In article , Daniel wrote:
Ok, I've opened up the actuator to find the Syncron motor. The
unit is warm, and you can feel a slite "humm" in it. Are the
Syncron units all the same, I found one on Screwfix for 7.99

I've only ever fixed Honeywell and Randall ones and they're all
standard. You need to be careful with some designs in that the two
motor screws also serve to clamp a plate with the return spring. Let
this go and you'll be searching for the bits everywhere. Otherwise
it's five minute job: the motor comes with new crimps to join its
wires to the supply. Don't forget to turn the power off g

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Tony Bryer SDA UK 'Software to build on' http://www.sda.co.uk
Free SEDBUK boiler database browser http://www.sda.co.uk/qsedbuk.htm