The Whale BP0535 MK5 Underdeck Sanitation Pump is a reliable manual black‑water pump designed for toilet flushing or holding‑tank pump‑out duties. Built for total dependability in marine waste systems, it delivers strong performance with wide 38 mm (1‑1/2") hose connections and an impressive output of up to 66 L/min (17.5 US Gal/min). Its tough plastic housing helps contain odours, while the large, virtually non‑blocking valves ensure smooth operation even in demanding conditions. The pump is lightweight, easy to operate and simple to clean, no tools required - making it ideal for both new installations and maintenance upgrades.
Key Features
👉🏻Manual sanitation pump for toilet flush or holding‑tank pump‑out
👉🏻High output: 66 L/min (17.5 US Gal/min)
👉🏻Wide 38 mm (1‑1/2") hose connections for maximum flow
👉🏻Tough plastic housing reduces odours
👉🏻Large, non‑blocking valves for reliable operation
👉🏻Easy to clean with no tools required
👉🏻Lightweight design for effortless pumping
Performance
👉🏻Maximum suction lift: 4.5 m (15')
👉🏻Maximum discharge head: 4.5 m (15')
👉🏻Typical suction lift: 1 m (3')
👉🏻Typical discharge head: 0.5 m (1.5')
👉🏻Output at 40 strokes/min: 42 L (11 US Gal)
👉🏻Output at 70 strokes/min: 66 L (17.5 US Gal)
SKU: #
