All orders accepted by 3pm Monday to Thursday are dispatched the same day and are normally delivered within 24 hours.

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Baxi 5114747 Flue Safety NTC

£13.40 ex. VAT

The thermistor decreases the current resistance as it gets hotter. The PCB sends a current to the thermistor and can tell whether an increase or decrease in temperature is needed by the relative resistance provided by the thermistor.

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