Description
The Lochinvar & A.O. Smith 100208569 is an OEM 1/4 in. bulb well designed for use with compatible Lochinvar and A.O. Smith heating and water heating equipment. Bulb wells — also known as immersion wells or thermowells — provide a protective housing for temperature sensing bulbs, allowing accurate fluid temperature measurement while keeping the sensor safely isolated from the system medium.
Key Features
- OEM replacement part engineered for Lochinvar and A.O. Smith systems
- 1/4 in. bulb well sizing for compatible temperature sensing bulbs
- Provides a protective immersion sleeve to shield sensors from direct fluid contact
- Supports accurate and reliable temperature readings in hydronic and water heating applications
- Ensures proper fit and performance when replacing worn or damaged original components
Application
This bulb well is intended for use in boiler, water heater, and hydronic heating systems manufactured by Lochinvar and A.O. Smith. It is ideal for service technicians performing maintenance or sensor replacements on OEM equipment, ensuring the system continues to operate within designed temperature parameters.
Why Choose OEM Parts?
- Guaranteed compatibility with original equipment design specifications
- Maintains system warranty and performance integrity
- Reduces risk of improper fit or premature failure associated with aftermarket alternatives







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