With knockouts for recessed wiring or surface wiring. An optional flush fitting box is available. Requires 5-core cable. One controller will operate a maximum of 2 HR500 or HR500X units. On/Off/Sensor mode. Choice of heat exchange or high/low speed extract fan mode. Infinitely variable speed control from low to high. Adjustable minimum spe...
With knockouts for recessed wiring or surface wiring. An optional flush fitting box is available. Requires 5-core cable.
Product Type | Controller |
Product Group | Fan Ancillaries |
Quick Search: | QS3121 |
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