Gas Heaters and other Gas Appliances should be tested regularly. In the case of a fault due to inadequate or infrequent testing Carbon Monoxide leaks can cause serious health issues and in some cases can be deadly. To ensure that your Gas Appliances are safe and for peace of mind you should get your appliances tested every year. Kilkenny Bros Plumbing are certified testing service providers and plumbers in Whittlesea.