Temperature sensor for solar water heater Temperature sensor NTC10K1.Specification:NTC10K B=3950 sensor(no more than 135degree)1):6*50MM;PVC cable=1.5meter;temperature resistant up to 105degree;not necessary to distinguish the positive and negative polarity. 2):6*200MM;PVC cable=1.5meter;temperature resistant up to 105degree;not necessary to distinguish the positive and negative polarity.2.Resistance value