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Universal 7-Inch Fit: Precision-engineered for Utica and Dunkirk boiler models requiring a 7" vent diameter
Common Questions What is the maximum operating pressure for the B1H-30
Can I use this valve on other hydronic brands
Ruggedized Construction: Built to resist moisture and temperature fluctuations common in chiller plants
Common Questions What causes an Aaon P81580 to trip frequently
Belimo NFXUP-N4 Actuator 321042-401 Universal 7-Inch Fit: Precision-engineered forThe 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