ensuring balanced comfort across different zones

Effortless Retrofitting: Designed for 115V systems

Optimized Heat Dissipation: Built to withstand the elevated ambient temperatures common in outdoor rooftop enclosures

This control is designed for 24V AC

Resideo 123773A Sail Assembly 320720-756 ensuring balanced comfort across differentThe Resideo 123773A Sail Assembly acts as the critical sensing element for the S688A Sail Switch, providing reliable airflow detection in both vertical and horizontal duct configurations. This replacement sail assembly is designed to actuate the switch when duct velocity reaches the required feet per minute (FPM) threshold, ensuring that auxiliary equipment like humidifiers or electronic air cleaners only operate during active blower cycles. The