Description
Lochinvar & A.O. Smith 100166235 SPDT Pressure Switch Overview
The Lochinvar & A.O. Smith 100166235 is an OEM replacement SPDT (Single-Pole, Double-Throw) pressure switch engineered to a precise 0.95″ water column (w.c.) setpoint. Designed as a direct-fit replacement for compatible Lochinvar and A.O. Smith boilers and water heaters, this pressure switch monitors combustion air or flue gas pressure to verify safe operating conditions before allowing burner ignition — a critical safety function in modern heating appliances.
Key Features
- OEM part number 100166235 — direct replacement for compatible Lochinvar and A.O. Smith units
- SPDT (Single-Pole, Double-Throw) switching action for versatile circuit control
- Calibrated setpoint of 0.95″ water column (w.c.) for precise pressure sensing
- Monitors draft inducer or combustion air pressure to confirm proper airflow before ignition
- Helps prevent unsafe burner operation in the event of blocked flue, failed inducer, or restricted venting
- Durable construction for long-term reliability in demanding heating environments
Application
- Compatible with select Lochinvar and A.O. Smith boilers and water heaters requiring a 0.95″ w.c. pressure switch
- Verify compatibility with your specific model and serial number before ordering
Why Choose OEM Replacement Parts?
Using genuine OEM-specified replacement components ensures your equipment operates within manufacturer safety parameters, maintains warranty compliance, and delivers the reliable performance your customers expect. The Lochinvar & A.O. Smith 100166235 pressure switch is the correct-fit solution for restoring safe, efficient operation to your heating system.
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