Rule AUTO 500 12v BILGE PUMP RWB807 bds Designed with active panels

Designed with active panels

Professional-strength concentrate reduces cost

Mount with 3 x 5mm (3/16") fasteners (not supplied)

contraction

Rule AUTO 500 12v BILGE PUMP RWB807 bds Designed with active panelsHow the Automatic Sensing pumps work The S series Automatic sensing RULE bilge pumps work on the principle of impeller resistance. They DON'T need a float switch they are fully Automatic sensing pumps. The pump turns on every 2 1 2 minutes for about 1 secondto sense for water. If water is present, the pump will sense resistance at the impeller and continue to run until the water is removed. After that, it will resume checking for water every 2 1 2