Description
Lochinvar & A.O. Smith 100166241 .21″wc SPDT Pressure Switch
The Lochinvar & A.O. Smith 100166241 is a Single Pole Double Throw (SPDT) pressure switch factory-set at a .21″ water column (wc) setpoint. Designed as a direct OEM replacement for compatible Lochinvar and A.O. Smith water heater and boiler applications, this pressure switch monitors combustion air or flue gas pressure to ensure safe and efficient burner operation. When the required pressure threshold is not met, the switch interrupts the ignition circuit, protecting the appliance from unsafe operating conditions.
Key Features
- SPDT (Single Pole Double Throw) switching action for versatile circuit control
- Factory-set at .21″ water column (wc) setpoint
- Direct OEM replacement for Lochinvar and A.O. Smith heating equipment
- Monitors combustion air or flue pressure to verify safe burner operation
- Interrupts ignition sequence if required pressure is not achieved, preventing unsafe operation
- Designed for reliable, long-service-life performance in demanding HVAC and water heating environments
Application
- Compatible with select Lochinvar and A.O. Smith boilers and water heaters
- Used in combustion air proving and draft inducer proving circuits
- Ideal for service technicians performing OEM-spec replacements
Specifications
- SKU: 100166241
- Switch Type: SPDT (Single Pole Double Throw)
- Pressure Setpoint: .21″ w.c.
- Brand: Lochinvar & A.O. Smith
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