The SEAFLO 53-Series DC Diaphragm Pump is engineered to deliver exceptional performance and durability for demanding water systems. Capable of producing up to 7.0 gallons per minute (26.5 liters per minute) and handling pressures up to 60 PSI (4.2 BAR) Premium Technical Specifications Robust Construction The SEAFLO 53-Series ensures precise pressure control, stable performance, and reduced cycling,. Constructed with premium materials like Santoprene and EPDM, this pump is built to withstand the harsh conditions of marine and RV environments, offering long-lasting reliability. The SEAFLO 53-Series DC Diaphragm Pump is engineered to deliver exceptional performance and durability for demanding water systems. Capable of producing up to 7.0 gallons per minute (26.5 liters per minute) and handling pressures up to 60 PSI (4.2 BAR), this pump is ideal for RVs, marine vessels, and agricultural applications. Its five-chamber diaphragm minimizes cycling while maintaining a steady flow, ensuring efficiency across various water systems. Designed with convenience in mind, the SEAFLO 53-Series features an integrated bypass system for smoother operation by preventing pressure fluctuations and pump cycling. The built-in automatic pressure switch activates the pump when water is needed and stops it when the demand ceases, enabling seamless on-demand operation. Rated for continuous duty, this pump is built to run consistently for extended periods, making it ideal for heavy-use scenarios. The 1/2" NPT Pipe Thread ports ensure compatibility and secure installation. Its self-priming and run-dry capabilities enhance reliability in challenging conditions. Maximum Versatility High flow rate, robust suction power, and durable construction make it suitable for both freshwater and saltwater environments , The SEAFLO 53-Series delivers consistent and reliable performance across a wide range of applications. Premium Product Features: Click Side Arrows to Explore! Previous page Next page 53 Series vs Other SEAFLO Pumps SEAFLO 53-Series Add to Cart 21-Series Diaphragm Pump Add to Cart 22-Series Diaphragm Pump Buying Options 33-Series Diaphragm Pump Add to Cart 42-Series Diaphragm Pump Add to Cart 55-Series Diaphragm Pump Buying Options 56A-Series Diaphragm Pump Add to Cart Customer Reviews 3.8 out of 5 stars 62 4.4 out of 5 stars 1,436 3.6 out of 5 stars 25 4.5 out of 5 stars 4,296 4.4 out of 5 stars 2,043 — 3.7 out of 5 stars 100 Price $199.99$199.99 $32.99$32.99 — $54.99$54.99 $64.99$64.99 — $149.99$149.99 Model Number SFDP1-070-060-53 SFDP1-012-035-21 SFDP1-013-100-22 SFDP1-030-045-33 SFDP1-030-055-42 ‎SFDP1-055-060-55 SFDP1-050-070-56A Open Flow (GPM/LPM） 7.0 / 26.5 1.2 / 4.5 1.3 / 5.0 3.0 / 11.3 3.0 / 11.3 5.5 / 20.8 5.0 / 18.9 Voltage 12V 12V 12V 12V 12V 12V 12V Max Draw 24.5A 4.0A 6.0A 6.74A 7.0 A 17A 10A Shut-off Pressure (PSI/BAR) 60 / 4.2 35 / 2.4 100 / 6.9 45 / 3.1 55 / 3.8 60 / 4.2 70 / 4.8 Priming Capabilities 9 FT (2.7M) suction lift 4 feet (1.2 m) suction lift 6 feet (1.8 m) suction lift 6 feet (1.8 m) suction lift 6 feet (1.8 m) suction lift 9 FT (2.7M) suction lift 6 feet (1.8 m) suction lift Max Recommended Temperature: 140° F (60° C) Max. 140° F (60° C) Max. 140° F (60° C) Max. 140° F (60° C) Max. 140° F (60° C) Max. 140° F (60° C) Max. 140° F (60° C) Max. Material: EPDM (Valves) EPDM (Valves) EPDM (Valves) EPDM (Valves) EPDM (Valves) EPDM (Valves) EPDM (Valves) Ports: 1/2"- MNPT Threaded 3/8" hose Barb 3/8" hose Barb 1/2"- MNPT Threaded 1/2"- MNPT Threaded 1/2"- MNPT Threaded Quick Attach Fixtures Quantity Up to 8 1 1 3-4 3-4 Up to 6 Up to 6 Duty Cycle Continuous Duty Intermittent duty Continuous Duty Intermittent Continuous duty Intermittent Intermittent