Description
Lochinvar & A.O. Smith 100166232 SPDT Pressure Switch Overview
The Lochinvar & A.O. Smith 100166232 is an OEM replacement SPDT (Single-Pole, Double-Throw) pressure switch rated at 1.05″ water column (w.c.). Designed to integrate seamlessly with 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 and during burner operation. It provides a critical safety interlock, helping prevent unsafe ignition or operation in the event of a blocked flue, failed inducer, or abnormal pressure condition.
Key Features
- OEM part number 100166232 — direct factory replacement
- SPDT (Single-Pole, Double-Throw) switching action for versatile circuit integration
- Set point: 1.05″ water column (w.c.)
- Compatible with Lochinvar and A.O. Smith boiler and water heater applications
- Monitors combustion air/flue pressure as a safety interlock
- Helps prevent ignition under unsafe pressure conditions
- Durable construction for long-term reliability in demanding HVAC/hydronic environments
Application
This pressure switch is engineered as a direct OEM replacement for select Lochinvar and A.O. Smith boiler and water heater models. It is typically installed in the combustion air proving circuit, where it confirms that the draft inducer is operating correctly and that flue pathways are clear before allowing the burner to fire. Always verify compatibility with your specific unit model before installation.
Why Choose OEM Replacement Parts?
Using genuine OEM replacement components like the 100166232 ensures proper fit, function, and safety compliance. Aftermarket substitutes may not meet the precise set-point or electrical specifications required by your equipment, potentially voiding warranties or compromising system safety.
Reviews
There are no reviews yet.