It is believed that a combination of market pressures and technology improvements will reduce the price of photoelectric type smoke detectors. In larger homes, a combination of ionisation and photoelectric type detectors may be used, with ionisation type detectors in hallways and stairways and photoelectric type detectors elsewhere. The alarms should be interconnected, so that one alarm will trigger the rest. Suitability chart for smoke detectors. Where neither type of smoke detector is suitable, heat detectors may be installed.
All models are interconnectable.
All models are interconnectable. Both the Brooks Australia and BRK Electronics alarms should be available from any electrical wholesaler. Mains powered smoke alarms must be installed by a certified electrician. Brooks Australia and BRK Electronics also produce a wide range of other fire protection equipment, including ionisation type smoke detectors and heat detectors. Smoke Alarms Save Lives, information leaflet from Planning SA, February 1998.