Lavac Marine Toilets

The Best Diaphragm Pump Made Today!!

The Lavac toilet is available with a Henderson Mark V Type Manual Diaphragm Pump or the Lavac Electric 12v/24v Diaphragm Pump. These heavy duty and reliable pumps are proven for their long, trouble free use. The manual pump is available in either the Surface Mounted T/A or the Behind the Bulkhead Mounted U/D models. Below are pictures, diagrams and dimensions for each pump.


Lavac Electric 12v/24v Diaphragm Pump

Lavac Manual Diaphragm Pump T/A Model

Henderson Mark V T/A Pump

Download Install Manual & Specs

The Manual Mark V T/A & U/D Diagram (click to enlarge)

toilet marine

The Manual Pump Dimensions

marine toilet


The Pump should always be mounted in a position 45 degree of vertical to ensure efficient operation.

bathroom marine

Dependable and Versatile... That's Lavac!!

This diagram shows a simple method to use the Henderson Mk V pump as an emergency bilge pump or sump pump.

marine bathroom


St. Brendan's Isle, Inc.
411 Walnut Street
Green Cove Springs, FL  32043-3443
Voice 800-544-2132 or 904-284-1203
Fax 904-284-4472