56A Series 5.0 GPM Variable Speed Smart On Demand Marine/RV 5-Chamber Diaphragm Pump, 12V
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SEAFLO MARINE 56A Series 5.0 GPM Variable Speed Smart On Demand Marine/RV 5-Chamber Diaphragm Pump, 12V
SEAFLO, SKU SFDP1-050-070-56A, delivers a high-capacity 5.0 GPM variable-speed freshwater pump designed for smooth, consistent pressure across multiple fixtures. Its advanced frequency-conversion control adjusts motor speed automatically based on demand, eliminating the need for a separate pressure switch or accumulator tank. The 5-chamber diaphragm design provides quiet operation, reduced cycling, and reliable flow for showers, faucets, and washdown applications.
Built with a Santoprene diaphragm, EPDM valves, and a thermally protected, corrosion-resistant motor, this pump self-primes up to 6 feet and is engineered for long-term use in marine, RV, and off-grid water systems. Includes quick-connect fittings and an inline strainer for easy installation and maintenance.
Key Features
- Variable-speed technology delivers consistent water pressure across multiple fixtures without a pressure switch or accumulator tank
- 5.0 GPM open flow with 70 PSI shutoff and 6 ft self-priming lift, using EPDM valves and a Santoprene diaphragm for long-term durability
- Run-dry safe, corrosion-resistant design with triple-sealed motor components built for harsh marine and RV environments
- Whisper-quiet 5-chamber diaphragm operation with bypass technology that minimizes cycling and vibration for smooth, low-noise performance
- Includes complete quick-connect fitting kit — inline strainer (52S02), angled and straight fittings (41F001 & 41F003), and 1/2" NPT adapter (41F004) for fast installation
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