WS280B Sump Pump – Manual Marine Pump for Bilge, Oil & Wastewater NZ

Fynspray WS280 - Sump Pump With Mounting Clips

A simple and convenient solution to changing oil, especially on engines with inaccessible drain plugs. The copper tube fits in your dipstick making oil changes fast and clean. The pump can also be used with standard fittings for permanent connection to your sump. Also ideal for transferring diesel between tanks or to fill small day tanks. Comes with mounting plates.

The WS280B Sump Pump is a manually operated diaphragm pump designed for bilge, grey water, and wastewater transfer applications in marine and RV environments. Compact yet powerful, this pump delivers reliable suction and discharge through durable marine-grade materials that resist corrosion and saltwater wear.

Featuring an easy-action lever, the WS280B is ideal for tight spaces where electrical pumps aren’t practical or for backup pumping needs. It’s a trusted solution for boaters who value simplicity, reliability, and low-maintenance performance.

Key Features:

• Manual diaphragm sump pump with strong flow rate

• Suitable for bilge, grey water, or general wastewater

• Corrosion-resistant marine-grade construction

• Easy lever-action operation

• Compact size for tight installations

• Ideal for boats, RVs, and off-grid systems

Stay in control of onboard water management with the WS280B – a tough, power-free pump built for life on the water.

• Strokes Per Gal: 58US, 70IMP
• Strokes Per Ltr: 15 1/2
• Barrel Diameter: 29mm (1 1/8")
• Weight: 0.45kg (1lbs)