Whale Gusher Urchin Manual Bilge Pump Thru Deck Since the 1940s Whale engineers have refined our manual bilge pump designs and completed extended life testing - the result? Whale''''s iconic manual bilge pump range Manufactured by hand using high grade materials and drawing on more than 60 years experience. - Easy of operation - Smooth easy action
- Easy maintenance - Clamp ring easily removed for pump head rotation and quick maintenance
- Versatility of design - Dual size nozzles for 25 mm (1") or 38 mm (1 1/2") hose to suit your plumbing
- Efficient performance - up to 55 ltrs (14.5 US gals) per minute
- Three different mounting models (deck, bulkhead and thru deck models)
It is important to ensure that a vented anti-syphon loop is incorporated in the system | 
