Premium Diaphragm Pump for Motorhomes, Boats and Camping

Discover the SEAFLO-21 - the perfect solution for your RV, boat or camper van water system. This compact and powerful diaphragm pump delivers reliable performance with automatic start/stop function.

Technical Specifications

• Voltage: 12V or 24V DC (optional)
• Current: 1.56A (12V) / 0.78A (24V)
• Max flow: 3.8 L/min (1.0 GPM)
• Closing pressure: 40 PSI
• Connection: 10mm diameter, 5/8" quick coupling
• Control: Automatic pressure switch

Smart Features

Automatic Start/Stop
The built-in pressure switch automatically activates the pump when the tap is opened and turns it off when the tap is closed - convenient and energy efficient.

Dry running protection
Designed to withstand short periods of dry running without damage, providing extra safety and reliability.

Two-chamber structure
Dual diaphragm design for smoother performance and reduced vibration during operation.

Quiet Operation
Equipped with vibration-damping rubber mounts that significantly reduce the noise level, perfect even on hard surfaces.

Self-priming
Strong self-priming ability enables fast and reliable starting, even when the pump is mounted above the water source.

Compact & Durable
Designed with compact dimensions and robust construction, ideal for RV, marine use and portable water systems.

Areas of use

• Motorhomes and camping vehicles
• Boats and marine applications
• Irrigation system
• Portable water systems
• High-pressure washing

Frequently Asked Questions

Can the pump run dry without damage?
Yes, it can handle short periods of dry running, but continuous dry running is not recommended.

Is the pressure adjustable?
Yes, the built-in pressure switch allows adjustment of the closing pressure.

Is the pump compatible with both 12V and 24V systems?
Yes, this model is available in both 12V and 24V versions for different system needs.