Description
Lochinvar & A.O. Smith 100304138 Control Board for WHB199
The Lochinvar & A.O. Smith 100304138 is an OEM replacement control board designed for WHB199 series water heaters. This board serves as the central command module, managing ignition sequencing, temperature regulation, and safety functions to keep your water heating system operating at peak efficiency and reliability.
Key Features
- OEM replacement control board engineered specifically for WHB199 series water heaters
- Manages core system functions including ignition control, temperature monitoring, and safety shutoff
- Ensures accurate communication between system components for consistent, dependable performance
- Direct drop-in replacement minimizes installation time and complexity
- Built to Lochinvar & A.O. Smith quality standards for long-term durability
Application
- Compatible with Lochinvar & A.O. Smith WHB199 series water heaters
- Ideal for service technicians performing control board replacements on commercial or residential water heating equipment
Why Choose OEM Replacement Parts?
Using genuine OEM replacement parts like the 100304138 control board ensures full compatibility with your existing system, preserves manufacturer warranties, and reduces the risk of premature failures associated with aftermarket alternatives. Trust Lochinvar & A.O. Smith engineering to restore your water heater to factory performance.







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