Equipped with an SPDT switch (Single Pole Double Throw) for versatile wiring in pilot duty or direct motor control

this PSC motor provides consistent airflow across coils

ensure the regulator is mounted in an upright position in a horizontal pipe run

the VST4800 supports Title 24 compliance and refined HVAC energy management across large-scale retail

and WeatherKing units

Williams 7699 Limit Switch 321042-401 Equipped with an SPDT switchThe Williams 7699 Limit Switch is a critical OEM safety device designed for furnace overheat protection in professional heating applications. Engineered for precision, this L95 10F limit switch features a 95F high limit cut out with a 10F differential, ensuring the combustion chamber remains within safe operating parameters. As a veteran grade replacement furnace part, the 7699 model is built to handle the rigorous duty cycles of Williams gas fired