Lochinvar & A.O. Smith 100276801 Pressure Switch
The Lochinvar & A.O. Smith 100276801 is a genuine OEM replacement pressure switch engineered for compatibility and reliable performance in Lochinvar and A.O. Smith heating equipment. Pressure switches are critical safety components that monitor system pressure and shut down or prevent burner operation when pressure falls outside of safe operating parameters — protecting both the equipment and the building occupants.
Key Features
- Genuine OEM replacement part from Lochinvar & A.O. Smith
- Designed for precise pressure sensing and accurate system protection
- Ensures safe burner operation by monitoring pressure conditions
- Direct drop-in replacement for compatible Lochinvar and A.O. Smith models
- Helps maintain system efficiency and prevents unsafe operating conditions
- Built to OEM specifications for long-lasting, dependable service
Application
This pressure switch is intended for use in Lochinvar and A.O. Smith boilers and water heaters where the original switch requires replacement. Using genuine OEM parts ensures proper fit, function, and warranty compliance. Always verify compatibility with your specific unit model before installation.
Why Choose OEM Parts?
OEM components are manufactured to the exact tolerances and specifications of the original equipment, reducing the risk of premature failure, improper fit, or voided warranties. The Lochinvar & A.O. Smith 100276801 pressure switch delivers the same performance as the factory-installed part, giving technicians and building owners confidence in every installation.








