Description
Lochinvar & A.O. Smith 100289706 — 2.5″ WC Pressure Switch
The Lochinvar & A.O. Smith 100289706 is a precision-engineered 2.5″ WC (inches water column) pressure switch designed as a direct OEM replacement for Lochinvar and A.O. Smith water heater and boiler systems. This pressure switch monitors combustion air or venting pressure to ensure safe and efficient burner operation, shutting down the appliance if pressure falls outside the designed operating range.
Key Features
- OEM-specified 2.5″ WC set point for precise pressure sensing
- Direct replacement for compatible Lochinvar and A.O. Smith boiler and water heater models
- Monitors combustion air or flue venting pressure to protect against unsafe operating conditions
- Helps ensure proper inducer motor performance before burner ignition
- Durable construction built to withstand demanding HVAC and hydronic system environments
- Simple drop-in installation for fast, reliable service calls
Application
This pressure switch is a critical safety component in Lochinvar and A.O. Smith heating equipment. It verifies that the draft inducer is operating correctly and that adequate combustion airflow is established before allowing the burner to fire. Using the correct OEM part number ensures proper calibration and system safety compliance.
Product Specifications
- Part Number: 100289706
- Set Point: 2.5″ WC (inches water column)
- Brand: Lochinvar & A.O. Smith
- Type: Pressure Switch (Draft/Combustion Air)
Why Buy from Jackson Systems?
Jackson Systems stocks genuine OEM replacement parts from leading HVAC manufacturers. Order the Lochinvar & A.O. Smith 100289706 with confidence — backed by fast shipping and expert customer support.
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