Whale MK5 Manual Black Waste Sanitation Pump [BP0527] Marine Plumbing & Ventilation | Ballast Pumps or manual) with the Rule

or manual) with the Rule "fail-safe" spring return to "off" from the "manual" position

1 to 173 knots

resulting in strong bottom echo returns and accurate depth readings

Either may also be run using one of our solar power kits

Threshold - Automatically adjusts to signal level

Whale MK5 Manual Black Waste Sanitation Pump [BP0527] Marine Plumbing & Ventilation | Ballast Pumps or manual) with the RuleMK5 Manual Black Waste Sanitation Pump Whale has led the way in manual diaphragm pumps for the marine world for decades. The Mk 5 sanitation is a reliable fully housed black waste pump reliability when you need it most Features and Benefits Can be mounted in various orientations positions Tough plastic housing keeps in nasty smells Large virtually unblockable valves Easy to clean (no tools required) High performance 56 ltrs (14. 8 US gals) per minute