Whale Gusher Galley Mk3, Pumps fresh and salt water. Foot operated water pump; Self primes max 2 m (7 ft) and operates dry without damage. Smooth double action. 15 ltrs (4 US gals) per minute . Multi-directional inlet and outlet hose connections ; Suitable for Quick Connect 15 mm + 1/2" Flexible hose. 3 mounting options (including thru bulkhead) AK0553 Service kit suitable for Mk3 only