A Rinnai 105002024 Temperature Sensor/Thermistor monitors exhaust heat to support accurate control and steady performance in the equipment.
The temperature sensor/thermistor monitors exhaust temperature and sends that data to the HVAC system so it can regulate operation safely and efficiently. Its thermistor-based design matters because accurate, responsive temperature sensing supports proper control decisions and protects heating and cooling equipment from overheating or improper exhaust conditions.
The temperature sensor/thermistor may need replacement if the heating and cooling unit shows erratic performance, shutdowns, fault codes or inconsistent response to exhaust temperature conditions. Physical signs can include damaged wiring, cracking, corrosion or heat-related wear and environmental signs may include exposure to moisture, debris or prolonged high-temperature conditions that could affect sensor accuracy.
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