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This unit serves as a load-break rated switch
Key Benefits for Technicians Precise Gas Regulation: Engineered for the Williams 2203 Series and 3003 Series to deliver consistent burner pressure
This model serves as the direct technical successor to the legacy S211AF02N5FG9
Standard 10kOhm sensitivity is ideal for most municipal and treated boiler water
Whether you are performing a seasonal tune-up or a major system repair
Belimo NFXUP-N4 Actuator 321894-709 This unit serves as aThe Belimo NFXUP N4 Actuator is a robust, universal voltage spring return solution designed for rigorous commercial HVAC and industrial applications. Operating on a wide power supply range of 24 240 VAC DC, this 90 in lb torque actuator provides reliable fail safe operation for dampers and valves in demanding environments. Wrapped in a rugged NEMA 4 (IP66) enclosure, it is engineered to withstand moisture, dust, and outdoor conditions where standard