Description
Lochinvar & A.O. Smith 100309396 Universal Thermostat PCB Assembly
The Lochinvar & A.O. Smith 100309396 is a universal thermostat printed circuit board (PCB) assembly designed as a direct OEM replacement for compatible water heater and boiler applications. This control board serves as the electronic brain of the thermostat system, precisely managing temperature regulation to ensure consistent, efficient, and safe operation of your heating equipment.
Product Overview
Engineered to Lochinvar and A.O. Smith’s exacting standards, this universal thermostat PCB assembly delivers reliable performance in demanding residential and commercial water heating environments. Its universal design simplifies the replacement process, making it a go-to solution for technicians servicing a wide range of compatible units.
Key Features
- OEM-quality universal thermostat PCB assembly
- Designed for precise temperature sensing and control
- Universal fit compatible with a range of Lochinvar and A.O. Smith water heaters and boilers
- Supports reliable and efficient heating system operation
- Direct replacement for simplified installation and service
- Manufactured to meet original equipment specifications
Application
This thermostat PCB assembly is intended for use in Lochinvar and A.O. Smith water heating equipment. Always verify compatibility with your specific unit model before installation. Refer to your equipment’s service manual for wiring diagrams and installation procedures.
Why Choose OEM Replacement Parts?
Using genuine OEM-specification components like the 100309396 ensures your equipment operates as designed, maintains warranty compliance where applicable, and reduces the risk of premature failure associated with aftermarket substitutes.







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