Motorized smoke hearth dampers provide fire security by incorporating the very best factors of the two the smoke and fire dampers. These dampers are designed to be self-closing if they detect hearth or smoke, which means that both of those are being prevented and controlled in specified zones of the https://air-control-dampers-for-e68900.onesmablog.com/detailed-notes-on-air-control-dampers-for-hot-climates-77518213