Jr for Model Number PRG304US - Thermador After a cleaning, two of my burners started having problems. The left front, (Extra Low), burner does not spark and gets no gas. The right front, (Standard), burner gets gas but usually only lights when another burner is turned on. It's worth noting that both of the igniters on these burners are somewhat loose with the one on the right being able to lift out completely (must have lost clip underneath). I tried to remove center nuts on both burners but both were too tight for my standard sockets. I'm sure I need a metric socket. Do you know what size? I'm concerned that the nuts are completely frozen. Thanks for any help you can offer!
Answer Hello JR, If they worked before cleaning, I would first use a safety pin to go through each hole to ensure they are clear. You see, the gas is under so little pressure that the gas pressure is checked with a tube full of water. The gas will move the water, but will not blow it out. The gas is such a low pressure that it cannot blow debris out of the holes. As far as the size, I really couldn't say as I always use my crescent wrench and a screwdriver in the hole in the wrench handle. This gives me the leverage needed to break them loose. Before I reinstall I always put a little lubriplate on the threads to prevent seizure so next time it isn't as hard to remove. Read More... Answered by AppliancePartsPros.com | Friday, June 15, 2012