The Top-Z range from Wilo come as glandless circulation pumps with a screwed or flanged connection suitable for secondary hot water circulation systems and more. The Top-Z ranges have preselectable speed stages for power adjustment.
Seals for threaded connection or washers for flange screws
Installation and operating manuals
Stainless steel/red brass/grey cast iron (depending on type)
Shaft: Stainless steel/ceramic (depending on type)