Siemens Building Technology SFA71U Acutator 318973-401 Direct OEM Compatibility: Engineered specifically

Direct OEM Compatibility: Engineered specifically for Lennox HVAC units to ensure the internal resistance and response times match factory safety protocols

this is the correct OEM component for your HVAC repair

and 122 series regulators

As the direct OEM replacement for the obsolete S8106-047-0080

Utilizing this original equipment manufacturer part ensures the system operates within calibrated Locked Rotor Amp (LRA) and Full Load Amp (FLA) specifications to prevent nuisance tripping and control board damage

Siemens Building Technology SFA71U Acutator 318973-401 Direct OEM Compatibility: Engineered specificallyThe Siemens Building Technology SFA71U Actuator is a professional grade 24V N C 2POS S R ZoneVlvAct engineered for high demand hydronic applications. Designed as a normally closed electronic valve actuator, this unit provides 2 position control for Siemens 599 Series zone valves with a 1 10 inch (2. 5 mm) stroke. Built for efficient field integration, it features a direct coupled installation that requires no tools, alongside a manual override and