Lochinvar & A.O. Smith 100277755 Pressure Switch 321142-301 Optimized Airflow: Precision 12x9 blower

Optimized Airflow: Precision 12x9 blower wheel design maximizes CFM output for consistent climate control

Does this unit require specialized software for configuration

two-pole DPST temperature switch designed for direct control of high-amperage electrical loads in commercial refrigeration and industrial heating systems

It should be independently supported and pitched to the 3/8" drain to prevent backpressure or condensate load on the valve internals

Lochinvar & A.O. Smith 100277755 Pressure Switch 321142-301 Optimized Airflow: Precision 12x9 blowerThe Lochinvar & A. O. Smith 100277755 Pressure Switch is a mission critical component engineered for precise atmospheric monitoring in high efficiency boilers and water heaters. Calibrated to a . 95" WC (Water Column) set point, this OEM replacement pressure switch ensures the inducer fan is generating the correct static pressure before allowing the ignition sequence to proceed. As a veteran grade HVAC induction switch, it is designed to prevent