But I don't understand fully how the tap stat and the detector on the cylinder works. Does it just close the flow of water when the detector detects the temperature of the water in the cylinder has reached the required temperature (i.e. the setting on the tap stat head)? As the water in my cylinder is not heating up correctly due to limescale then my detector will never close off the flow of water. Correct?
It's just that I've read about other cylinder thermostats that link to the boiler but I don't see how that would be the case with my antiquated system.
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