TankMaster^™ 4 Automatic Discharge Pump Control

Simplify holding tank discharge operations with this versatile, easy-to-use control system.

Diverts sewage directly overboard in unrestricted waters when holding tank reaches mid level and keyed control switch is set to “automatic” position.

Prevents accidental overboard discharge in restricted waters when control switch is turned to “off” position.

Simplifies plumbing by eliminating wye valves, seacocks and vented loops for multiple toilet installations.

Eliminates stagnating sewage trapped in interconnecting hoses by wye valve operation.

Includes control panel with keyed selector switch, discharge pump operating light and optional seacock monitor light. For use with SaniPump™ discharge pump, TankWatch® 4 level monitor system and optional seacock interlock system.

Model	Description	Instructions
TM4	TankMaster 4 discharge control system