installing this HVAC selection board ensures the system operates within its engineered performance envelope

if it confirms the series number

The "T" designation signifies the inclusion of a terminal strip

System Efficiency: Minimizes downtime by preventing motor damage from phase loss or overload conditions

Schneider Electric (Barber Colman) MK-4801 Valve Actuator Refrigerant installing this HVAC selection boardThe Schneider Electric MK 4801 represents a rugged solution for proportional control within high capacity HVAC systems. This pneumatic valve actuator features a factory calibrated 3 to 8 psi spring range, designed to provide consistent force for modulating 1 1 2" to 2" VB 9XXX series valve bodies. Built with a metal NEMA Type 1 enclosure, the MK 4801 handles a 30 psig maximum air pressure, ensuring reliable operation in demanding mechanical rooms. The