The Johnson Washdown Pump Manual provides installation, operation, and maintenance guidelines for marine washdown pumps. It includes wiring diagrams, troubleshooting tips, and safety precautions for optimal performance. The manual ensures proper use of the pump in marine environments.

Size: Varies by model, typically 1.5" to 3" discharge ports.

Grade: Marine-grade construction for saltwater and freshwater use.

Viscosity: Suitable for low to medium viscosity fluids (water, diesel, light oils).

Buoyancy: Not applicable (non-floating design).

Material: Cast iron, bronze, or stainless steel housing; rubber or neoprene impellers.

Flow Rate: 20-150 GPM (varies by model).

Pressure: 10-60 PSI (depending on configuration).

Power Source: Manual operation (hand crank or lever).

Temperature Range: -20°F to 180°F (-29°C to 82°C).

Corrosion Resistance: High (marine-grade coatings or materials).

Mounting: Deck or bulkhead-mounted options.

Seals: Lip seals or mechanical seals for leak prevention.