Resideo VU843A1004 Spring Return Valve Actuator 24 VAC

The Resideo VU843A1004 Spring Return Valve Actuator controls flow of hot or chilled water in heating, ventilation and air conditioning installations. The frequency of this actuator is 60 Hz and the temperature range is -40°F to 125°F, which provides reliable work in various conditions. It has an SPST connection and operates at 24V,that allows the use of the board with most HVAC equipment. The spring return of the actuator provides the ability to set and maintain the desired position, as well as to return to the default position in case of a power failure, thus providing safety for the system.