Courtesy Mats Lewan SWEP E8T-SC-S
http://www.swep.net/index.php?tpl=productsheets&lang=en&id=361&Type=E&Size=8T&Material=SC&Pressure=S Installation manual: http://www.swep.net/fileview.php?file=1300709490 The brass piece on top where the flow passes is also from SWEP, probably a standard piece for several models. - Jed