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6 Cv equal percentage flow characteristic
Constructed with high-grade galvanized steel
5" x 2" connections
0917" orifice
contractors can restore factory-spec operation
Resideo S688A1007 Sail Switch 320074-702 6 Cv equal percentage flowThe Resideo S688A1007 Sail Switch is a critical interlocking control designed to prove airflow before activating ancillary HVAC components like electronic air cleaners or humidifiers. Featuring SPDT switching, this duct mounted airflow switch operates within a velocity range of 75 to 250 Fpm, ensuring reliable equipment activation only when the system blower is moving sufficient CFM. The unit utilizes a large 26. 2 square inch sail (5" wide) with a
