Schneider Electric (Barber Colman) PNV-202 Diaphragm 320788-703 This boiler high limit switch

This boiler high limit switch Includes a 3/4" NPT control well for secure immersion installation

Thermal Security: Integrated automatic overload protector prevents motor burnout during high-demand cycles or restricted airflow

Common field issues include a restricted flue pipe

The Johnson Controls P352PN-3 is a professional-grade electronic proportional pressure control designed for precise pressure management in commercial HVACR systems

Schneider Electric (Barber Colman) PNV-202 Diaphragm 320788-703 This boiler high limit switchWhen you are maintaining pneumatic systems, the Schneider Electric (Barber Colman) PNV 202 Diaphragm is the industry standard for ensuring consistent pressure regulation and structural integrity. This 9 inch neoprene diaphragm is engineered specifically for use in high demand pneumatic valve actuators, providing the critical seal required for proportional control in commercial HVACR applications. As a veteran technician knows, the PNV 202 is the