The MEC320R is optimized for the MEP300

Professional-grade motor control requires components that handle thermal and electrical stress without failure

Key Benefits High-Torque Performance: Provides a 170 MFD burst to ensure reliable compressor ignition even under low-voltage conditions

Technicians should look for yellow-tipped flames

Enhanced Durability: Engineered to withstand high-pressure environments

Resideo VU843A1020 Actuator 318172-701 The MEC320R is optimized forThe Resideo VU843A1020 is a heavy duty fan coil actuator engineered for commercial hydronic systems requiring reliable two position control. Operating on 24 Vac, this spring return actuator is designed for seamless integration with VU52, VU53, and VU54 series valve bodies. Featuring an SPST controller connection, the unit provides a full 22 degree stroke with a 15 second motorized timing and a rapid 4 second spring return for precise flow management.