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Gas heater servicing. Why it is so important?

29 May 2023

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We all love our gas heating systems in winter.

"We all love our gas heating systems in winter." There is nothing like that warm feeling snuggling up next to a gas log fire on a cold night or setting the timer on your Energysaver to turn on at 5 am so the living areas are nice and warm, on a cold morning.

Although this is the case there are some very important measures, required to ensure the systems are working not only efficiently, but also safely. The safety of you and your family is a priority when recommending your gas heater be serviced every two years. Carbon monoxide is a silent killer. It is odourless, colourless, and painless. This is why it is so dangerous. If you have ever suddenly become tired after turning on your heater there may be a potential issue with your heater. There are many, many different types of gas heating systems available on the Australian market. With varying types of ignitions, burners, and flying systems, all of these systems require servicing; however, some are more complex systems than others.

Access to the components is one of the considerations when making a booking along with the period, and interval between the last service.

How to service a gas heater? There is a comprehensive list of tasks that need to be carried out to ensure the service is carried out effectively.

  • Always turn on the appliance to check for operation before commencing the service. There is no reason to continue the service if the unit doesn't work correctly. Repairs can be recommended and made before continuing and the service carried out in conjunction with required repairs.
  • Disconnect any power connections to the appliance, before commencing and remove and clean the casing of the appliance.
  • Check all flue components for correct positioning and note any carbon build-up for cleaning.
  • Clean any dust build-up on the internal of the unit, heat exchanger, and draught diverter.
  • Vacuum the fan filter, fan components, and any other components
  • Disconnect the pilot assembly and clean the components.
  • Remove and clean the burner and burner jets.
  • Test and adjust burner pressure to the appliance to the manufacturer's specification.
  • Commenced CO spillage testing.

Carbon monoxide, or CO spillage testing is the vital step to ensure the safety of you and your family.

When testing, the highest potential negative air pressure environment in your home is created. This is achieved by closing all the external doors and windows in your home and then turning on all the exhaust/extraction systems within the home to create the potential negative air pressure. The unit is then operated on high and takes a reading with a specialised meter to detect carbon monoxide in and around the heater to ensure the products of combustion are not being pulled back out of the appliance by the exhaust fans.

There is then another procedure of what to do if CO is detected to determine if further adventitious ventilation is required to equalise the air pressure on the unit or search further for issues with the appliance itself. An example of this occurred in the past when a bird had made a nest in the flue over the summer and blocked the flue, causing the products of combustion to drop out back into the room. Many modern homes are built with very little air ventilation and some people block up vent holes in their older homes to eliminate draughts etc. The testing we carry out ensures your gas heater is safe to use. If you have any further The price of confidence that your family is safe is immeasurable. Get your heater serviced by a professional.

For more information, please call us on 8367 8383 or email This email address is being protected from spambots. You need JavaScript enabled to view it.


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