After purchasing one or more Mytee® extractors, make the most of your sound investment by ordering our 3601 System Maintainer. Use Mytee’s 3601 System Maintainer weekly for maximum performance and pressure and to prolong the life of your machine. It keeps all tanks and lines free from hard water and chemical build up. It will improve the pump’s life and keeps the pump running at maximum temperature. This product will minimize acid corrosion and lime scale build up for maximum performance and pressure.