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Buderus GB172 Never Ending Problems, Ignition, Safety Valve and More
As soon as my Buderus GB172 reached the end of 3-year guarante, it started to have problems. First I had to get the igni...tion electrode set to be replaced since I got 9A227 code. A few days later, safety vane needed to be replaced, since it started to drool. Just a few more days later, there started