Aifeier ET 2Pcs Water Heater Chamber Sensor | AP19299 Thermistor Replacement for Rh eem Ultra Low Nox Tankless Water Heaters | High-Precision Temperature Sensors | 11.8 Inch Wire Length

["【𝐏𝐞𝐫𝐟𝐞𝐜𝐭 𝐂𝐨𝐦𝐩𝐚𝐭𝐢𝐛𝐢𝐥𝐢𝐭𝐲】This thermistor sensor is compatible with AP19299 tankless water heater and boilers.Thermistor chamber sensor is a precision-fit replacement for Rheem Ultra Low NOx tankless water heaters and select boiler models","【𝐇𝐢𝐠𝐡 𝐏𝐫𝐞𝐜𝐢𝐬𝐢𝐨𝐧 & 𝐒𝐚𝐟𝐞𝐭𝐲】Equipped with a sensitive NTC thermistor element, this water heater part accurately monitors combustion chamber temperature and provides critical data to the system control board, ensuring energy efficiency and system safety","【𝐄𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐭 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧】An essential solution for common water heater malfunctions (such as the indicator light flashing 9 times or system shutdown due to temperature sensor failure). It can be replaced when the indicator light flashes 9 times","【𝐏𝐫𝐞𝐦𝐢𝐮𝐦 𝐌𝐚𝐭𝐞𝐫𝐢𝐚𝐥𝐬】Constructed with a high-quality brass probe and a durable heat-resistant plastic housing, the thermistor replacement withstands high temperatures and humid environments. It is rust-resistant, corrosion-resistant, and long-lasting","【𝐄𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐭 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧】The water heater chamber sensor comes with a standard plug-and-play connector and an 5.7inch (approx. 14.5cm) cable, providing ample length for easy internal wiring within the unit"]