HVAC Shop Blog

When a Brivis gas heater stops working, most homeowners want to know what they can legally do themselves and what requires a professional. The answer is clearer than most expect. This guide covers exactly what is legal for any homeowner to do, including fault diagnosis, component testing, filter maintenance, and parts sourcing, what requires a licensed gas fitter under AS/NZS 5601, and the one situation where you should stop immediately and call for emergency help.

When a Brivis ducted gas heater stops working, the fault usually comes down to one specific component. This complete guide covers every major spare part in the Brivis range — ignition assemblies, pressure switches, control boards, thermocouples, gas valves, and transformers — including how to identify the correct part by BS code, why gas type and Pa rating matter, and what to check before you order. Covers Brivis, Braemar, Bonaire, and Buffalo platform compatibility.