Description
The NTI Boiler 990686-01 Temperature Probe is a sensing assembly used to measure water or system temperature within heating equipment. It includes a probe element paired with a retaining clip that holds it securely against a pipe or designated surface for accurate thermal reading. In HVAC systems, it is commonly used in boiler setups such as NTI TRX series units where it is positioned on water lines or heat exchange sections to track temperature changes during operation. The probe is integrated into the control wiring layout of the appliance.
