Vaillant Thermistors (Page 3)
The thermistor decreases circuit resistance as the temperature of the thermistor rises. The electronic control board sends a current to the thermistor and can tell whether an increase or decrease in heat is needed by the resistance provided by the thermistor.

VAILLANT 0020019838 SENSOR
Part No: 1379826 MPN: 0020019838
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View Part DetailsVAILLANT 101353 TEMPERATURE LIMITER
Part No: 1375258 MPN: 101353
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VAILLANT 101391 TEMPERATURE LIMITER
Part No: 1375266 MPN: 101391
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View Part DetailsVAILLANT 050596 PRESSURE MONITOR, CPL. (FLUE GAS)
Part No: 1375124 MPN: 050596
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View Part DetailsVAILLANT 253511 FLUE SENSOR NOW USE -1377548
Part No: 1374446 MPN: 253511
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View Part DetailsVAILLANT 101392 TEMPERATURE LIMITER
Part No: 1375268 MPN: 101392
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VAILLANT 101391 TEMPERATURE LIMITER - NOW USE 1375266
Part No: 1373422 MPN: 101391
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View Part DetailsVAILLANT 050598 PRESSURE MONITOR, CPL. (AIR)
Part No: 1375126 MPN: 050598
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View Part DetailsVAILLANT 253516 FLUE SENSOR NOW USE -1377550
Part No: 1374447 MPN: 253516
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VAILLANT 0020100991 TEMPERATURE SENSOR
Part No: 1383321 MPN: 0020100991
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VAILLANT 101462 TEMPERATURE REGULATOR
Part No: 1375272 MPN: 101462
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View Part DetailsVAILLANT 101392 TEMPERATURE LIMITER NOW USE -1375268
Part No: 1373423 MPN: 101392
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View Part DetailsVAILLANT 100365 TEMPERATURE LIMITER
Part No: 1375220 MPN: 100365
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View Part DetailsVAILLANT 100363 TEMPERATURE LIMITER
Part No: 1375218 MPN: 100363
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Vaillant 101771 Thermometric Thermistor
Part No: 1373434 MPN: 101771
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