Description
The Lochinvar & A.O. Smith 100208389 is a factory-specified Low Gas Pressure Switch designed for natural gas applications on Lochinvar and A.O. Smith water heaters and boilers. This OEM-grade safety switch monitors incoming gas supply pressure and shuts down the burner system when pressure drops below the required operating threshold — protecting the appliance from incomplete combustion, nuisance lockouts caused by undetected pressure loss, and potential damage to heat exchanger components.
Key Features
- OEM replacement part for Lochinvar and A.O. Smith water heaters and boilers
- Designed for natural gas (NAT) fuel applications
- Monitors gas supply pressure to ensure safe burner operation
- Shuts down burner automatically when gas pressure falls below safe threshold
- Helps prevent incomplete combustion and associated safety hazards
- Direct factory-specified replacement for reliable, code-compliant performance
Application
This low gas pressure switch is intended for use in commercial and residential Lochinvar and A.O. Smith heating equipment operating on natural gas. It is a critical safety component in the gas train, working in conjunction with the gas valve and burner control system to ensure the appliance only fires when adequate gas supply pressure is present.
Why Choose OEM Parts?
Using genuine OEM replacement components like the 100208389 ensures proper fit, function, and compatibility with your existing equipment. It also helps maintain manufacturer warranty compliance and supports reliable, long-term system performance.
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