What temp should be used for the sensor that is fitted to a oil CH
boiler?? There seem to eb 2 ranges - around 65/70C and 90C. I assume
90C as temp inside the casing will be reasonably high??

TVMIA

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What temp should be used for the sensor that is fitted to a oil CH
boiler?? There seem to eb 2 ranges - around 65/70C and 90C. I assume
90C as temp inside the casing will be reasonably high??

TVMIA

Why not set it to the lower setting and see how things go. I'd have thought
it would be advantageous to the devices primary function to have it tripping
as soon as possible in the event of an emergency condition. This advantage
may be only marginal but that's how I would wish to see it.

If this setting causes difficulties then there's always the alternative of
the higher one.