Description
The Lochinvar & A.O. Smith 100148402 is a factory OEM 330°C Over-Temperature Limit control designed to protect commercial water heaters and boiler systems from unsafe operating temperatures. This safety device monitors system temperature and automatically interrupts the heating circuit when temperatures exceed the rated threshold, preventing equipment damage, system failure, and potential safety hazards.
Key Features
- OEM replacement part engineered specifically for Lochinvar and A.O. Smith commercial water heating equipment
- Over-temperature limit function shuts down the heating circuit upon detecting temperatures beyond the safe operating range
- Provides critical thermal protection to extend equipment life and maintain system integrity
- Direct drop-in replacement ensures proper fit and reliable performance
- Supports compliance with safety standards for commercial water heating systems
Application
- Compatible with select Lochinvar and A.O. Smith commercial water heaters and boiler systems
- Designed for use in commercial and light industrial HVAC and hydronic heating applications
Why Choose OEM Parts?
Using genuine OEM replacement controls like the 100148402 ensures your Lochinvar or A.O. Smith equipment operates as designed. Aftermarket substitutes may not meet the original equipment specifications, potentially voiding warranties or compromising system safety. Trust the manufacturer-approved part for dependable, long-term performance.







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