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However, using a small screwdriver to press this switch does not release it out again.
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There is a little red plastic switch labelled SAFETY which the electrician told her to 'pop out'. The thermostats are 'COTHERM type: TSE T115'. From my reading so far, I think that the lower immersion heater is the overnight timed one, and the upper is the boost one - is this always the case? However, there are a couple of things I'd like advice on, please.
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Last time, he told her how to reset the thermostat if it tripped. She has had some problems, and an electrician has been called a couple of times. Heating is separate, by storage heaters (no gas supply to flats). My sister has a Heatrae Sadia megaflo hot water tank with two immersion heaters for her hot water. Thermcross International, multi-brand distributor of spare parts for heating, heat pumps, water heaters, air conditioning, and accessories.
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