Seaflo 21-Series
Score: 72/100
Seaflo 06 Series
Score: 72/100Rankings
The Seaflo 21 Series is a compact 12V DC diaphragm pump designed for on-demand water pressure in mobile applications like RVs and boats, delivering 1.2 GPM at 35 PSI. It features self-priming capabilities and a built-in pressure switch for automatic operation. It is best suited for RV and caravan owners needing portable water pressure for 1-2 fixtures where battery efficiency is critical.
The Seaflo 06 Series is a compact, automatic submersible bilge pump designed for small to medium boats. Its key strength lies in the integrated float switch and marine-grade safety certifications. However, its low flow rate and limited head lift make it unsuitable for high-volume or high-elevation pumping scenarios.
| Attribute | | |
|---|---|---|
1.2 GPM | 12.5 GPMbest | |
35 PSIbest | 3.9 PSI | |
4 ftbest | 0 ft | |
12 Vbest | 12 Vbest | |
0.4 HPbest | — | |
4 A | 5 Abest | |
140 °Fbest | 110 °F | |
| ↓ lower better | 1.25 lbs | 1.04 lbsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance & Power(4) | ||
Flow Rate (GPM) | 1.2 GPM | 12.5 GPM |
Max Pressure (PSI) | 35 PSI | 3.9 PSI |
Horsepower (HP) | 0.4 HP | HP |
Max Amperage (A) | 4.0 A | 5.0 A |
Features & Protection(3) | ||
Dry-Run Protection | true | false |
Thermal Protection | true | |
Warranty Length (months) | N/A months | 48 months |
Build & Durability(4) | ||
Motor Type | Permanent Magnet | Water-cooled |
Weight (lbs) | 1.25 lbs | 1.04 lbs |
Diaphragm Material | Santoprene | |
Valve Material | EPDM | |
Installation & Compatibility(3) | ||
Self-Priming Lift (ft) | 4 ft | 0 ft |
Max Liquid Temperature (°F) | 140 °F | 110 °F |
Port Size (in) | 0.375 in | 0.75 in |
Products in the top-left offer the best value (high score, low price).
Professional reviewers and editors highlight the Seaflo 21 Series as a professional-grade solution for marine and RV applications, praising its efficient low current draw and high capacity output.
Everyday users commonly praise the pump for its strong initial flow and ease of setup. However, recurring complaints include priming issues if not level, increased noise under high demand, and reduced lifespan when used with dirty water.
Professional reviewers highlight the pump's reliability, ease of installation, and marine-grade safety features such as ISO 8846 ignition protection.
There is no consumer feedback, praise, or complaints available in the research data. Official pages indicate no reviews are yet available for this specific model.
