Description
Lochinvar & A.O. Smith Hi-Limit Outlet Sensor — SKU 100208544
The Lochinvar & A.O. Smith 100208544 Hi-Limit Outlet Sensor is a genuine OEM replacement component engineered to monitor outlet water temperature and protect your water heater or boiler from dangerous overheating conditions. Designed as a direct fit for compatible Lochinvar and A.O. Smith equipment, this sensor ensures your system operates safely and efficiently within its designed temperature parameters.
Key Features
- Genuine OEM replacement part for Lochinvar and A.O. Smith water heaters and boilers
- Monitors outlet water temperature to prevent overheating and equipment damage
- Hi-limit function shuts down the system when outlet temperatures exceed safe operating thresholds
- Direct-fit design for fast, hassle-free installation with no modifications required
- Manufactured to OEM specifications for reliable, long-lasting performance
- Helps maintain system efficiency and extend equipment service life
Application
This hi-limit outlet sensor is intended for use in residential and commercial water heating and hydronic heating systems utilizing compatible Lochinvar and A.O. Smith equipment. It is a critical safety component that works in conjunction with the unit’s control board to monitor outlet temperatures and initiate a safe shutdown if temperatures rise beyond acceptable limits, protecting both the equipment and the building occupants.
Why Choose OEM Parts?
Using genuine OEM replacement sensors like the 100208544 ensures compatibility, accuracy, and reliability. Aftermarket substitutes may not meet the precise calibration and electrical specifications required by your equipment, potentially voiding warranties or causing unsafe operation. Trust Lochinvar & A.O. Smith OEM parts for peace of mind on every service call.







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