I bought this last October. He started to work very well. About a month later, the hose broke off the connector. I just taped it around and kept going. However, recently the Power Tool activation stopped working. One of the reasons I bought this unit was the power tool activation feature and now it doesn't work anymore. It still sucks well, which is why I'm giving it three stars, but I'm having a hard time doing so because I feel like maybe I paid too much for it. It was the most expensive…