The company has released its Version 4.0 master HVAC products catalog that features over 700 pages of HVAC control components including valves, actuators, sensors, thermostats, damper actuators, VFDs, controllers, and accessories. The catalog also includes many new products such as SED2 VFDs, and GND fire and smoke damper actuators; and is complete with product specification information, sizing and selection tools, technical data and application information.