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Its rugged diaphragm is designed to withstand the thermal cycling inherent in high-efficiency condensing units
you reduce downtime during commercial HVAC service calls and maintain the high performance expected from Powers Controls hardware
provided the actuator remains above the body to prevent condensation issues
A fabric-reinforced molded diaphragm effectively isolates the spring chamber from the system media
Greenheck SP-B90 Ceiling Exhaust Fan Els PW 17895 Its rugged diaphragm is designedThe Greenheck SP B90 is a high performance ceiling exhaust fan engineered for continuous or intermittent ventilation in commercial and high end residential applications. Operating at 115V with a 1500 RPM motor, this unit delivers a nominal 90 CFM, making it an ideal bathroom exhaust fan for moisture control and air quality management. The low profile housing is constructed from heavy gauge galvanized steel, designed to fit into tight ceiling plenums