In stock

SKU: WB-081 Category:


The Rule RM500B is a fully automatic bilge pump incorporating field sensor technology that eliminates the need for a mechanical float switch. A great solution for a modern engine bay, the level sensor is sealed into the body of the pump and the pump is automatically activated when the sensor detects a 50mm level of water and switches off at 9mm.

� Connections: For 19mm (3/4″) or 25mm (1″) bore hose on inlet and outlet. Straight or 90deg Elbow.

� Dimensions: 112mm high, 130mm long, 73mm wide.

� Fuse Size: 4 (amp).

� Output: Up to 31 litres/minute (7 gallons/minute). Max. recommended discharge head 2m.

� Fully automated bilge pump with integral sensor.

� Back up feature to prevent dry running if sensor is fouled, pump reverts to 2.5 minute cycle mode.

� Compact pump for smaller vessels.

� Tough plastic body.

� Back flow prevention to reduce the amount of water left over in the bilge.

� Air Vents in the body to help prevent air locks in challenging installations.

� Quick release inlet strainer allows