The Lowara ecocirc PRO 15-1/110LB U is a single phase domestic circulator pump. The Lowara EcoCirc are a range of high efficiency bronze domestic circulator pumps which can either be operated at a constant speed or can automatically adjust according to the demands of the system. They are designed to be reliable, efficient and easy to install. The Lowara EcoCirc range also have the benefit of Anti-Block technology which prevents magnetite from entering the pump. This feature is highly effective in preventing blocking. Automatic air purge, tooless installation and dry running protection make this an ideal pump to save installers time and hassle.