Whale MK5 Double Acting is a robust and lightweight polypropylene manual bilge pump.  This manual bilge pump is a high output - 104 Litres (23 gal) per minute twin diaphragms, able to empty 2 bilges compartments at the same time or one twice as quickly - 2 manifolds supplied.

• Heavy duty bilge pump ideal for larger craft where high output is vital.
• One pump does all - can empty two bilge compartments simultaneously
• Lightweight, powerful performer
• 3 models available for mounting on or through deck or bulkhead
• Efficient performance for larger craft where high output is vital
• Approved by Lloyds and USCG for use in lifeboats

It is important to ensure that a vented anti-syphon loop is incorporated in the system.

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