This summer (2021) I cleaned the dirty piezos in my Napoleon gas grill and used a can of electronic control cleaning spray. This worked very well with a small nylon brush. I cleaned all 4 electrodes and used my STAHL wire brush to remove some dirt from the bottom of the grill. What I didn't take into account is that the electronically controlled aerosol cleaner has a high percentage of heptane. Heptane is highly flammable. My trusty camera "Ring" recorded this event. Stolz did not allow me to attach a real video - the brothers are still torturing me. Check out the photo in this video for a proof of concept. The steel wire in the brush hit the heads of the steel bolts, causing sparks to fly and ignite the heptane, which also appeared to be heavier than air, waiting at the bottom of the grill box. Face. In the photo you can see the flames over my right shoulder. I could smell burning hair for the next 6 hours. It is not an odor that can be washed off easily. So I replaced all the internal parts of the grill with stainless steel and ordered this brass brush. Problem solved. Hope that helps!
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