The Rinnai Thermistor Sensor, Plate HEX (105002025) is a genuine OEM component for i-Series Plus combination boilers. This sensor monitors the temperature of the plate heat exchanger used for domestic hot water production. Accurate plate HEX temperature data allows the control system to prevent overheating, protect the plate heat exchanger, and ensure consistent DHW delivery. Replace this sensor when error codes or erratic DHW performance indicate a temperature sensing fault.
- Genuine OEM Rinnai replacement thermistor sensor
- Compatible with Rinnai i-Series Plus combination boilers
- Monitors plate heat exchanger temperature for DHW control
- Protects the plate HEX from thermal damage
- Ensures consistent and accurate domestic hot water delivery