Lochinvar & A.O. Smith 100166090 Pressure Switch 320819-301 Service Versatility: Reversible rotation and

Service Versatility: Reversible rotation and extended mounting studs reduce the need for specialized replacement parts

When performing a refrigeration system cleanup after an motor burnout

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

and Lennox air conditioning platforms

By choosing this ASCO spare parts kit

Lochinvar & A.O. Smith 100166090 Pressure Switch 320819-301 Service Versatility: Reversible rotation andThe 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