Lochinvar & A.O. Smith 100166090 Pressure Switch 320819-301 you can manually toggle the

you can manually toggle the switch to the ON position

When performing a refrigeration system cleanup after an motor burnout

Key Benefits: Direct OEM Compatibility: Seamlessly replaces Lennox 18J9601 and fits standard 48-frame blower assemblies

While maintenance intervals vary by duty cycle

it provides technicians with a reliable solution for resolving pressure switch stuck open errors

Lochinvar & A.O. Smith 100166090 Pressure Switch 320819-301 you can manually toggle theThe Lochinvar & A. O. Smith 100166090 Pressure Switch is a critical safety component designed for high efficiency boilers and water heaters. As a veteran technician knows, this OEM replacement part is essential for verifying proper blower operation and flue venting before the ignition sequence begins. It functions by monitoring the differential pressure within the combustion chamber, ensuring that the combustion air blower is moving sufficient air to