The Wireless Zone Control Dampers are available in a retrofit configuration with the full-tube style in the round version or with a frame style in the rectangular version. Dampers will need 24 V to be ...

The Retro Damperâ„¢ is a low-cost retrofit zone control damper that can easily add zone control to any existing home, the manufacturer says. Also, it is an alternative to pneumatic systems that ...

Pneumatic furnace damper drives may be more common, but electro-hydraulic actuators provide several advantages to the more traditional control scheme. One fossil-fired plant in Taiwan achieved more ...