Description
Lochinvar & A.O. Smith 100170640 Limit Thermostat Control
The Lochinvar & A.O. Smith 100170640 is a genuine OEM limit thermostat control designed to protect boilers and water heating equipment from unsafe operating temperatures. Acting as a critical safety device, this limit control monitors system temperature and interrupts the heating circuit when a preset high-limit threshold is reached, preventing equipment damage and ensuring safe, reliable operation.
Key Features
- Genuine OEM replacement part for Lochinvar & A.O. Smith heating equipment
- Functions as a high-limit safety control to prevent overheating
- Interrupts burner or heating circuit upon reaching the set-point temperature
- Designed for precise, repeatable temperature response
- Direct drop-in replacement for simplified installation
- Helps maintain system integrity and extend equipment service life
Application
- Compatible with select Lochinvar and A.O. Smith boilers and water heaters
- Ideal for residential and light commercial hydronic heating systems
- Suitable for use in both new installations and service/replacement applications
Why Choose OEM Parts?
Using genuine OEM components like the 100170640 ensures proper fit, function, and compatibility with your Lochinvar or A.O. Smith equipment. OEM parts maintain manufacturer warranty compliance and deliver the performance standards your system was engineered to meet.
Order the Lochinvar & A.O. Smith 100170640 Limit Thermostat Control from Jackson Systems today for fast shipping and expert support.







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