Description
The Lochinvar & A.O. Smith 100208547 is an OEM replacement High Limit Outlet Sensor designed to protect water heaters and boilers from unsafe outlet water temperatures. This sensor monitors the temperature of water leaving the unit and triggers a high-limit shutoff when temperatures exceed safe operating thresholds, helping to prevent equipment damage, system failures, and potential safety hazards.
Key Features
- OEM replacement part for compatible Lochinvar and A.O. Smith water heaters and boilers
- Monitors outlet water temperature to detect overheating conditions
- Triggers high-limit safety shutoff to protect equipment and occupants
- Engineered to OEM specifications for reliable, drop-in replacement
- Helps maintain system efficiency and extend equipment service life
Application
This high limit outlet sensor is intended for use with Lochinvar and A.O. Smith commercial and residential water heating equipment. Always verify compatibility with your specific model before installation. Refer to the original equipment manufacturer’s documentation for wiring diagrams, installation procedures, and torque specifications.
Why Choose OEM Replacement Parts?
- Ensures proper fit and function with your existing equipment
- Maintains manufacturer warranty compliance
- Reduces callbacks and repeat service visits
- Delivers consistent, dependable performance over the long term







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