Spiders are notorious for nesting inside the burner pipes and hoses on a gas grill, especially during the cooler months. (I know, I know – we’re still in August Heat. But after Labor Day you may not be grilling for a while. See my commentary for another tip as to how to avoid seasonally getting Grill Spider Encroachment.

Clogged Burner Pipes Can Be Frustrating

The resulting spider webs can clog the Venturi pipes and openings in the gas lines, resulting in poor operation and ignition problems. Avoid this hazard by checking the pipes and hoses periodically for obvious signs of nesting. Cleaning the equipment takes only a few minutes using common tools. Covering a cooled gas grill when not in use helps deter spiders from exploring the appliance as a potential nesting ground.

There’s a Spider In My Grill!

Spiders love gas grills. No it’s not the burgers and dogs that attract them, it’s the smell of propane and natural gas. Attracted to the smell of gas, spiders commonly make their way into the grill burner itself and spin a web which can block the free flow of gas even after the spider has moved on. A web blockage inside the burner can be dangerous. If it’s unable to flow freely, the gas will be forced backward into the venturi tube and towards the front of the burner (closest to the control panel), resulting in a “flash fire”.

Common signs of a blockage in the burner are:

  • Higher than normal orange flames
  • Uneven distribution of flames
  • Control knobs that are hot to the touch
  • A fire at the front of the grill

What’s the Solution?

If you suspect that you have a spider web blockage, turn the barbecue off and let it cool completely. Remove the burners in question and clean them with a venturi brush.

A venturi brush has bristles on a long flexible rod that allow you to scrub the inside walls of the burner tube.

In the event of a full blown flashback fire, turn off the gas supply immediately. In most cases, the fire should subside right away. If it doesn’t, time for for the fire extinguisher. Once the fire is out and the barbecue has cooled down you will need to inspect the hoses, valves and knobs for damage. If any of these parts have been damaged they should be replaced before grilling again.

To make your grill spider-free, we recommend that you make cleaning the burners part of your regular grill maintenance routine.

ANOTHER TIP to Avoid Spider Web Clogs

After Grilling Season you’re going to clean your grill before you put it away or cover it up; RIGHT?

So at the same time, when you take the burners out to clean them, after cleaning, twist a facial tissue or toilet paper into a point for every orifice gas goes threw, and screw in the twisted pieces of tissue paper. Leave all those pieces of gas plumbing loose in your grill. Spider Avoidance Complete.

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