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The RBI RBI-62111026 is a 10K supply and return sensor designed for use in hydronic boiler systems. This thermistor-style sensor monitors water temperature at the supply or return line, providing the control board with accurate readings needed to maintain proper system operation. It is a direct OEM-specification component installed by licensed plumbers, HVAC technicians, and hydronic heating specialists during routine service or system repair.
This sensor is commonly used in residential and light commercial hydronic heating applications where precise water temperature monitoring is required. It fits into supply and return line configurations on RBI boiler systems, making it a go-to replacement part for technicians servicing this equipment in the field.
Designed as an OEM-style replacement supply and return sensor for RBI hydronic boiler systems.
Installation should be performed by a licensed HVAC technician or plumber familiar with hydronic heating systems. Power down the boiler and allow the system to cool before removing or installing any sensors. Ensure the sensor is fully seated and properly secured in the sensor well or port before restoring power. Follow all applicable local codes and the manufacturer service documentation during replacement.
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