I recently went through similar problems with my Micron 60ff there is really only 2 culprits. Assuming the fan is working (important) and the system is calling for heat then the only bits that cause trouble are the PCB (old model with orange neons overheated) has been replaced with one with...
HI
My stopcock (in the drive) is missing the tap top it just has the square spindle 6mm square.
Ok I know the real answer is to dig up the drive and replace it but does anyone have any ideas.
So I am looking for a tool that will turn a square spindle on a long extention bar...
Hi all
I hope there is someone out there who can help me out. My Honeywell ST6400C programmer has gone wrong so being a tight git I found one on ebay brand new !! result.
Except its a ST6400S and this means it has a service interval and service mode for landlords and local autorities etc...