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I have a HP-50W-016 air pump. what rebuild kit do I use?
You can use the Hiblow 80 rebuild kit to rebuild it.
I opened up my Hiblow and found that the safety screw is broken. I don't see anything else wrong with it could I be wrong or do I just need to replace the safety screw to fix it.
There is a good chance the diaphragm is ruptured on one of the diaphragms. The screw doesn't just break for any reason. The magnet that travels back and fouth has two ridges on it they are there so if the magnet moves too far the ribs hit the safety screw and break it. The unit shuts off when this happens, so it doesn't damage itself further. You need to buy a rebuild kit to fix it has a safety screw in the kit along with a filter, chamber blocks, and diaphragms.