The 310000P part number is the standard designation for the junction box configuration in this voltage range

it is optimized for go/no-go status of fixed loads

PopTop Actuator Logic: The 24Vac AG series actuator features a spring return fail-safe and a manual override lever for easy system flushing and commissioning

This board is the standard replacement for most M1M and M1G series units

Durable Construction: Built with robust hardware to resist oxidation and carbon buildup on the sensing tip

Zonefirst AOBD-10X10 Damper R-410A The 310000P part number isThe Zonefirst AOBD 10X10 is a heavy duty automatic opposed blade damper designed for precision airflow management in commercial and residential zoning applications. This 10 inch by 10 inch unit utilizes an extruded aluminum frame and blades to ensure structural integrity and corrosion resistance within the plenum. The integration of a 24Vac actuator provides high torque, power open power closed logic, ensuring the damper reaches a positive seal