Manual Bilge Pump.
Both Whale Gusher Titan 4402 and 4410 have been installed to several Hallberg-Rassy models.
BP4402 is the standard Pump. (Thru Deck Plate NOT INCLUDED)
BP4410 is the Thru Deck Pump (Thru Deck Plate INCLUDED)
Both Pumps have been installed to these Hallberg-Rassy models: