Schneider Electric (Viconics) R820-643 Control 326010-701 Does this include the replacement

Does this include the replacement gaskets

Left-Hand Pilot Tap: Strategically positioned 1/4" compression tap allows for easier tubing runs in cramped equipment footprints

Manual Reset Safety: requires a technician to inspect the system for blockage or heat exchanger failure before regaining operation

What is the default fail position for this actuator

ensuring that system faults are addressed before resuming operation

Schneider Electric (Viconics) R820-643 Control 326010-701 Does this include the replacementProfessional contractors and HVACR technicians requiring precise temperature management for resistive heating loads rely on the Schneider Electric Viconics R820 643. This microprocessor based SCR Power Control offers superior 3 phase SCR power control for HVAC electric duct heaters and industrial processes. Operating across a broad 24 600 Vac range with a robust 45 Amp capacity, it delivers precise modulation via zero cross firing, which eliminates