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Mend Sime Format C Central Heating System Plumbing

Sime?

Sime Format C. the orange light is on and manual says Central Heating Sensor. - What where, Why and How?

Peter
January 2010
I had same fault on this boiler and spoke to sime and the told me to change microswitch on water regulator. to test this take microswitch off and link the two wires together with a bit of wire if it works change the microswitch cost me £9.50

rowley
January 2010

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