IMI Zeparo 11/4" Low Loss Header C/W Magnet and Air Separator ZUCM 7895232 Comprehensive range of products for venting and separation of micro bubbles, sludge and magnetite in heating, solar and cooling water systems. The diversity of the applications as well as their modular construction is unique. The helistill separator makes these products incredibly efficient. Dry magnetic rod in pocket to increase the magnetite capture. Female thread. Horizontal installation.