Siemens Building Technology SAX81.03U Actuator 322838-752 Engineers often specify the MP-424

Engineers often specify the MP-424 as a direct replacement for Barber Colman EA-51

Key Benefits: Enhanced Durability: Rugged ASTM A48 Class 30 cast iron construction with all-stainless steel internals for long-term service life

Always verify that your existing wire harness and sensors are in good condition before concluding the repair

The standard flow design includes a specialized pressure-balanced bellows that resists setpoint shifts caused by fluctuating water supply pressures

this 1/3 HP blower assembly features a 10" x 6" blower wheel and a robust 3-speed motor to maintain static pressure and system equilibrium

Siemens Building Technology SAX81.03U Actuator 322838-752 Engineers often specify the MP-424The Siemens SAX81. 03U Actuator is a field proven electromotoric valve actuator engineered for precise floating control in commercial HVAC systems. This non spring return actuator is purpose built for Siemens Flowrite 599 Series and flanged pressure independent control valves with a 3 4 inch (20 mm) stroke. Operating on a versatile 24Vac Vdc supply, it delivers a robust 800 N (180 lb) positioning force, ensuring reliable performance in hot water,