The Grundfos SOLOLIFT2 WC-3 Macerator is a must have if you re looking to install a bathroom or en-suite to your home. A macerator is a perfect solution for those looking to add: - Extra Bathrooms - Basement installations - Bathrooms in hotels and guest houses - Bathrooms for the elderly or the disabled The purpose of a macerator is to transfer bathroom waste to the current sewage system waste pipes. You may wish to install a macerator because the distance or the height between the source and the pipe to the sewage system is too high or just simply can t be reached. The process of macerating is in simple terms, it grinds up the waste into smaller pieces and then turns it into a slurry, and this allows it easy access to the sewage system. The SOLOLIFT is ready .