Description
The RBI Boiler 13-0104 is an OEM immersion well (thermowell) engineered for use with RBI hydronic boiler systems. Immersion wells provide a protective housing that allows temperature sensors and aquastats to be inserted directly into a boiler’s water flow without direct fluid contact, ensuring accurate, reliable temperature measurement while protecting sensing elements from system pressure and fluid exposure.
Key Features
- OEM RBI Boiler replacement immersion well
- Designed for hydronic boiler temperature sensing applications
- Protects temperature sensors and aquastat bulbs from direct fluid contact
- Ensures accurate and stable temperature readings within the boiler system
- Built for durability in high-temperature, high-pressure hydronic environments
- Direct OEM fit for compatible RBI boiler models
Application
This immersion well is intended for use in RBI hydronic boiler installations where accurate water temperature monitoring is critical for safe and efficient system operation. It is compatible with standard temperature sensors and aquastat sensing elements used in hydronic heating systems.
Why Choose OEM RBI Boiler Parts?
Using genuine RBI Boiler replacement components ensures proper fit, reliable performance, and maintained system warranties. The 13-0104 immersion well is the correct factory-specified part for supported RBI boiler models, eliminating compatibility concerns associated with aftermarket alternatives.







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