Ideal Sprint Rapide 90NF 90NFP & RS75N DHW Temperature Sensor Thermister 005001


47 in stock

SKU: N6747 Category:


The thermistor works by decreasing current resistance in a manner that is inversely proportional to the temperature of the thermistor. The printed circuit board sends a current to the thermistor and can tell whether more or less heat is needed by the resistance provided by the thermistor.

We only have this part as fitting one appliance, The Ideal SPRINT RAPIDE RS . If this isn’t the model you have, please contact us before ordering so we can confirm this part is compatible. In the next tab there is an appliance grid with a link to the Ideal SPRINT RAPIDE RS , Please follow this link to view all parts available for that model and to download any available manuals.

We recommend that all parts are fitted by a fully qualified gas safe certified plumber. Please feel free to contact us if you require our assistance locating a part. Collectively we have over 200 years of boiler spares knowledge and distribution experience and our friendly call centre staff will be happy to help you with any query you may have

Below information is for refurbished products with sales options, please read out carefully. If the product does not have a sale option under its’ title, please disregard the following information:

DIRECT SALE: This is when you buy the part outright without needing to send your part back to us.

REFURBISHMENT (EXCHANGE) SERVICE: When you select this service, you agree to send your faulty item to our main address to be reconditioned and sent back to you. Our price includes delivery to you and you would need to pay the postage to send the item to us. In most cases we repair and send the item back the same day of receiving it, please select next day delivery option during checkout to receive the item back the next day.

Please send your faulty part to:

National Boiler Parts
Tyne View Terrace
Newcastle Upon Tyne
NE28 6SG

ADVANCE REPLACEMENT SERVICE: This service is for customers who would like to receive replacement part without sending the faulty one back to us first. We will send you a replacement part the same working day and charge you a £30.00 deposit for your faulty part. Once we have received your faulty part we will refund your £30.00 deposit. Please choose this service if your faulty part is in a repairable condition. If the part is burnt, broken or cracked and not repairable we may refuse to issue a refund for your deposit.  Please keep in mind that if this option or Direct Sale option is not available, we may not have a part in stock to send out first. If unsure please call 0191 263 3708 or email at

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