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Thermistor

What is a Thermistor / NTC Sensor ?

The Thermistor is an electrical component whose internal resistance changes with temperature variation with one end exposed to the heat source, and the other is the electrical connection. The Thermistor can be used in several places around the boiler but are generally located on the flow or return pipes in the lower part of the boiler, inside the combustion chamber or attached to the heat exchanger outlet pipes. Some boilers have a flow and return thermistor, some also have a thermistor on the domestic hot water outlet pipe. The Thermistor can also be found checking the flue gas temperature on modern condensing boilers. Other names for the Thermistor are Temperature sensor or Negative Temperature Coefficient (NTC) Sensor. They can come as either a clip on sensor, push fit sensor or a screw fit sensor.

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397 results
1117662 Baxi 5108265 Temperature Sensor 5108265, 247394, 248068, 248655 5107843
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£14.81(inc VAT)
1531738 Vokera 10027352 Thermistor 7352 8484 7022 7099003 H40335 H77940
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£11.38(inc VAT)
1118068 Baxi 5114725 Ntc Sensor Dhw 5114725 H29101
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£9.00(inc VAT)
1250324 Alpha 1.021762 Temperature Sensor (Ntc) 1.021762 798413
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£14.35(inc VAT)
1177991 Ideal 170996 Dhw Thermistor Kit Isar 170996 E69403
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£32.03(inc VAT)
1530769 Vokera 20003819 Ntc Sensor 10026273 H40269
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£12.89(inc VAT)
1337421 Glowworm 0020079644 Ch Pressure Sensor Was 0020014190 0020014190 0020079644 0020038275 H42772
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£23.00(inc VAT)
1331457 Glowworm 2000801911 System Pressure Sensor E83997
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£36.44(inc VAT)
1531737 Vokera 10027351 Thermistor 10027351 10025061 H40261
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£6.12(inc VAT)
1018037 Worcester 87161423020 Ntc/Thermister Dhw 87161423020, E82400
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£10.44(inc VAT)
1013033 Worcester 87145000810 Dhw Temp Sensor 87145000810, H02538
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£7.57(inc VAT)
1374434 Vaillant 252805 Ntc-Sensor 252805 263931
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£22.33(inc VAT)
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