Seacock Interlock System

Prevents holding tank discharge pump from operating when seacock is in the closed position.

Switch has waterproof covering and 316 stainless steel bracket to resist corrosive effects of saltwater.

Optional indicator light output signals “Check Seacock” when discharge pump is activated and seacock is closed.

Includes switch, mounting bracket and 30-amp control relay. Switch is ignition prevention tested for engine room installation.

Fits 1-1/2 inch Conbraco and Groco flanged seacock valve. Designed to operate with a SaniPump™ discharge pump.