Why should Gas Flues be inspected?

We provide a full installation service and can complete and lodge the application for a building consent and project information memorandum on the client’s behalf. We also provide a complete installation warranty.

why inspect gas installations

Q: I understand there’s no creosote deposits from gas appliances, so why should I have an annual inspection of my gas stove?

AAnnual inspections have revealed many cases of blockage not caused by creosote formation: some of the things removed from chimney flues include collapsed liner tiles, roofing shingles, plugged rain caps, loose bricks or mortar falling down the inside of the flue, branches & leaves, birds, bird nests, oposums, even footballs & frisbees.

Gas exhaust contains nitric acid, which attacks chimney mortar joints and can cause the chimney structure to collapse. All chimneys venting gas exhaust need a properly sized liner, to provide adequate updraft and keep the acid from contact with the mortar.

You also need to have examined, cleaned, and reset the burner & pilot orifices and air intake settings on the appliance, and inspect the gas inlet, connector pipe and flue for gas and exhaust leaks, because system components and fittings deteriorate over time.

The reason for concern is that a leaking, blocked or partially blocked gas flue will usually result in odorless exhaust gases entering the breathing space in the house below. Gas exhaust contains, among other things, carbon monoxide and carbon dioxide. Exposure to these CO gases has recently become a matter of much concern. To read about a recent study regarding long-term effects of exposure to CO, click here

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