RYOBI (currently Kyocera) High-pressure washer AJP-1620 Microswitch The terminals of M20-26LBB have been swapped and modified to M20-26LBA specifications. I have tested the replacement. Please investigate whether it can be substituted for other models. Soldering is required, so please refrain from purchasing or working on it if you are not comfortable. The 2nd and 3rd photos are parts of AJP1600, so the shape is slightly different. If you disassemble it and the inside of the 2nd photo's case is soaked with water, replacing it will generally fix the problem. Check before disposal! This is a frequently failing part, so it is recommended to keep it as a spare. RYOBI High-pressure washer Kyocera Micro Switch Failure Repair Kärcher IRIS Makita Bosch