Johnson Automatic Bilge Pumps and Marine Pumps typically feature the following specifications:
Size: Ranges from 500 GPH (1.9 LPM) to 4000 GPH (15.1 LPM).
Grade: Marine-grade construction for corrosion resistance.
Viscosity: Suitable for low to medium viscosity fluids (water, oil, bilge mixtures).
Buoyancy: Automatic float switch models activate at specific water levels (e.g., 1.5" to 3").
Material: Thermoplastic housing, stainless steel shafts, and rubber impellers for durability.
Voltage: 12V or 24V DC operation.
Discharge Port: 3/4" to 1-1/8" hose connections.
Operating Temperature: -4°F to 140°F (-20°C to 60°C).
Certifications: Meets ABYC, USCG, and CE standards.
