Lochinvar & A.O. Smith 100327314 Pressure Switch 30067439-890 Secure Termination: Features internal screw-type

Secure Termination: Features internal screw-type terminals and a PG 11 strain relief nut to prevent cable pull-out

Simple Connectivity: Features designated Supply (S) and Output (O) air connections with barbed ports for secure 5/32" tubing attachment

Common Questions: What are the symptoms of a failing furnace pressure switch

swapping in this genuine Reznor part ensures the system returns to factory-spec operation without the reliability risks associated with universal alternatives

Remote Flame Sensing: Offers installation flexibility and accurate flame detection

Lochinvar & A.O. Smith 100327314 Pressure Switch 30067439-890 Secure Termination: Features internal screw-typeThe Lochinvar & A. O. Smith 100327314 Pressure Switch is a critical safety component designed for high performance HVAC system diagnostics and forced draft combustion control. As a technical professional, you know that maintaining precise pressure differential is non negotiable for safe burner operation. The 100327314 serves as the direct replacement part for legacy models 100166196 and PRS2705. This air pressure switch is engineered to sense the