Rely on these dielectric flange accessories to preserve the electrical break required in professional HVACR and plumbing installs

Enhanced Durability: Engineered to withstand high-pressure environments

providing the mechanical reliability required for maintaining system static pressure and overall thermal efficiency in large-scale furnace and AC configurations

or two-position signaling

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

Resideo VU843A1020 Actuator 318172-701 Rely on these dielectric flangeThe 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.