BOILER PROBLEMS


Postby wiskenc » Fri Dec 03, 2010 10:13 am

I HAVE A POTTERTON HEAT MAX COMBI BOLIER
AND WE HAVE ERROR CODE E133 FLASHING ON THE DISPLAY SCREEN WHAT SHOULD I DO
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Postby htg engineer » Sun Dec 05, 2010 7:30 pm

E133 is gas pressure/no gas problem.

Could be a few things, most likely cause is the spark gap on electrodes, common problem caused by a design fault as the two probes bend together after a while.

You need an RGI to check gas meter/pressures as the low temperatures can affect gas meters especially if outside.


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