Dwyer Instruments 1638-5 Pressure Switch 328140-751 the specific 450/240 PSI setpoints

the specific 450/240 PSI setpoints are crucial for the safety logic of Lennox controllers

Enhanced Durability: Features thermal protection and high-quality internal bearings to withstand continuous-duty cycles in diverse HVAC environments

Durable EPDM Construction: Synthetic rubber material resists degradation from oils

OEM Compatibility: Specifically designed to match Reznor unit heater specifications

Dwyer Instruments 1638-5 Pressure Switch 328140-751 the specific 450/240 PSI setpointsFor high precision air pressure monitoring in commercial HVAC and industrial process control, the Dwyer Instruments 1638 5 Pressure Switch is the technician's standard for reliability. Engineering with a large diaphragm design, this unit provides superior sensitivity for detecting differential pressure within a range of 2. 0 to 6. 0" w. c. The 1630 series is purpose built for clean air and non combustible gases, utilizing a silicone rubber diaphragm