The Rule Fully Automatic 500 Submersible Bilge Pump (25SA) delivers reliable, high-performance water removal without the need for a separate float switch. With a capacity of up to 31 litres per minute (500 gallons per hour), it’s perfect for small to medium-sized vessels.
Featuring an advanced computerised sensor, this pump checks for water every 2.5 minutes, running for only half a second if none is detected. This ensures minimal battery draw, consuming just 0.20 amps per day when on standby. The pump also features built-in backflow prevention with a check valve, a vented body to prevent air locking, and thermal cut-off for added safety.
Constructed from durable thermoplastic with an integral strainer, the pump is robust and easy to clean. It operates on 12V DC, drawing just 1.6 amps, and includes a threaded 19mm (3/4”) discharge port for seamless installation.
Rule Industries has been a trusted name in bilge pump technology for over 50 years. Their innovative designs focus on efficiency, durability, and user convenience, making Rule pumps a staple in the marine industry.
- Capacity: Up to 500 GPH (31 LPM)
- Voltage: 12V DC
- Current Draw: 1.6A
- Fuse Size: 4A
- Discharge Port: 19mm (3/4”)
- Dimensions: 107mm (H) x 64mm x 74mm
- Max Head: 2m
- Features:
- Fully automated operation
- No separate float switch required
- Thermal cut-off and vented body
- Low energy consumption
- Quick-release strainer for easy maintenance
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