The NTI Boiler 6008303501 NTC Thermistor is a temperature-sensing component designed for compatible NTI boiler systems. Featuring a 1/4-inch NPT connection and a 1 MΩ resistance rating, it detects temperature changes through variations in electrical resistance and sends signals to the boiler’s control system. This allows the equipment to monitor operating temperatures and regulate hea... https://www.partshnc.com/nti-boiler-6008303501-thermister-ntc-1-4-npt-1mohm