This 3D print is a replacement for the main part of the overflow assembly of your Thermolec Furnace humidifier. To make sure your furnace humidifier does not spill water into your furnace, an overflow tube is provided. If it is plastic like the one in my furnace, it can be broken easily.// Thermolec Furnace Humidifier - // over-flow tube substitute. // by Kim Tyson - MakerBot TOM#003712 // // This print assumes you have the original nut, the O-ring // and a matching die to thread the overflow tube or silicone. // // Extend your raft to 9mm beyond the edge of the print for stability. // // After printing, you will need an M12 x 1mm thread // die to match the thread of the original retaining // nut. In a pinch or if you are American, a 7/16 x 24 threads per // inch die will work too on this particular model. // (reduce diameter to 10.5mm or 6.5/16 inch before // threading using sandpaper if necessary) // // If you don't have a die, you will have to construct your // own plastic threaded cylinder and a matching nut inside the // supplied scad file. If there are a lot of requests I // will consider doing it. // // Alternatively, you can just silicone it in. // // It is possible, due to over-build or shrinkage, that you // will have to adjust the radius of the threaded cylinder // // Also you may need to clean out the tubes water hole with a // 5/32 drill bit or equivalent by hand. // // The tubing nipple is the weakest part but you can // rework it for larger tubing which will be much stronger // // The original rubber O-ring should be re-used if you still have it // but remember it goes on the outside and underneath the humidifier. // Finger tighten the nut only - do not over-tighten. // // The original and printed tubes are shown on the TOM platform // standing upside down. My original tube is broken in 3 pieces and // glued together for measurement. A mop handle fell on the drain tube. // // The last picture shows the new overflow-tube already seated in the // humidifier with the vinyl drainage tube connected.