Vent-Axia HR500 Controller W14301010

The Vent-Axia HR500 Controller (W14301010) is the dedicated speed controller for Vent-Axia HR500 and HR500X heat recovery units — one controller operates up to two units. It offers On/Off/Sensor operation and a choice of heat-exchange or high/low-speed extract mode. Controls up to two HR500 / HR500X units On/Off/Sensor mode; heat-exchange or high/low extract-fan mode Infinitely variable speed from low to high; adjustable minimum Knockouts for recessed or surface wiring; requires 5-core cable; optional flush box Integral thermal cut-out and circuit fuse protection Suitable for Vent-Axia HR500 and HR500X heat recovery units Installation Recessed or surface wiring with 5-core cable. Should be installed by a qualified electrician.