HMI Hoyme ADP – 0240 – 1WS
This ADP-0240-1WS Adaptor acts as a ready-built On/Off Switch for a variety of uses. This provides direct control to manually open Power Closed Dampers as needed. As well as any number of situations requiring a ready-made 24Vac On/Off switch box with terminal strips for ease of installation. For example, manual Furnace Fan control.
Installation Instructions – Printer friendly (pdf)