AP19299 Thermistor Chamber Sensor Replacement Compatible with Rheem Ultra Low NOx Tankless Water Heaters and Boilers, High-Precision Temperature Sensor for Professional Repair, 11.8 Inch Wire Length
Perfect Compatibility & Direct Replacement - Specifically engineered to replace part number AP19299. This thermistor chamber sensor is a precision-fit replacement for Rheem Ultra Low NOx tankless water heaters and select boiler models. It ensures seamless integration with your existing system's control board for restored functionality
Resolve Common Error Codes - An essential fix for water heaters experiencing common malfunctions, such as the indicator light flashing 9 times or system shutdowns due to temperature sensing failures. By providing accurate real-time data to the control module, it helps eliminate pilot light issues and prevents unexpected cold water bursts
High-Precision Temperature Monitoring - Equipped with a sensitive NTC thermistor element, this sensor accurately monitors the combustion chamber temperature. It provides the critical data needed to regulate the combustion process optimally, ensuring a consistent flow of hot water while maintaining energy efficiency and system safety
Durable Construction for Longevity - Constructed with a premium brass probe and high-grade heat-resistant plastic housing. The sensor is built to withstand the intense thermal environment and moisture inside the heating chamber, resisting corrosion and material degradation for reliable, long-term performance
Simplified Installation Design - Features a standard plug-and-play connector and a 11.8-inch (approx. 30cm) cable, providing sufficient length for easy routing within the unit. Designed for a straightforward DIY or professional replacement process, allowing you to get your hot water system back up and running in minutes