ActronAir AFR-L70R6AV-1 Relay Module in Housing is the factory-fitted afr-l70r6av-1 relay module in housing for ActronAir split ducted systems, managing indoor fan speed control, zone output switching, and wall controller communication. A failed board causes complete loss of indoor unit operation and zone control -- fit the 100% Genuine ActronAir AFR-L70R6AV-1 to restore factory system performance. Isolate power at mains before replacement -- live work on electrical components is dangerous and must only be performed by a qualified technician.