Heavy‑duty 12V SEAFLO Pressure 53 Series diaphragm pump delivering up to 26.5 L/min (7.0 gpm); self‑priming, capable of running dry, with an on‑demand adjustable pressure switch for marine, RV and agricultural use.

• Flow up to 26.5 L/min (7.0 gpm) — can supply up to 6 fixtures; 5‑chamber heavy‑duty diaphragm
• Self‑priming and capable of running dry with automatic on‑demand pressure switch
• Shut‑off pressure: 48 PSI ±5 PSI (±0.3 bar); adjustable up to 60 PSI
• Valves: EPDM; diaphragm: Santoprene; inlet/outlet ports: quick‑attach fittings
• Temperature limit 60°C (140°F); weight 4.31 kg (9.5 lb)
• Quiet operation with rubber mounting base and marine‑grade blocked wiring; industry‑standard mount pattern
• 2‑year warranty; Manual Download

Designed for high‑volume water systems without an accumulator tank, the 53 Series is easy to install, service and winterise — ideal where reliable, robust pumping is required.