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07/31/2018
04/24/2019
Installation:
The holding tank should be located close to the toilet.
A proper seacock is required if the discharge thru-hull is posi-
tioned below the waterline.
Both the discharge thru-hull and the holding tank are installed to
prevent a potential siphon. Contact a marine plumber or Jabsco
technical support specialist for installation assistance.
Mount on a strong flat surface. Note: the area of installation
needs to support the weight of the unit and its contents.
Four mounting feet (included) need to be attached to the plat-
form with four machine or lag screws and four flat washers.
Plumbing:
Each tank contains:
•
1 x 1 ½” deck pump out – evacuation pickup tube (Install to
dockside pump-out deck plate)
•
1 X 1 ½” inlet port – from toilet system
•
1 x 3” O-ring sealed inspiration hatch
•
1 x 1” vent* - connect to vent outlet usually sited high on a
vessel’s hull near the gunwale
•
1 x 1” Overboard discharge port macerator pump out. Dis-
charge: connect to the overboard discharge thru-hull fitting.
* See plumbing diagram for recommended installation.
Maintenance:
Flush system with clean water to remove any build up of sludge
or debris. It is recommended that this process be completed at
least once a year. Please reference 18590 Series Macerator
datasheet servicing section for details.
Winter Storage:
Empty the complete system of all water making sure pipe work
and pump are completely free of waste.
The fuses for both the
marine head and the waste
tank are located behind
the dash in the first panel
coming off the bus bar,
pictured to the left.
Type III MSD Waste Management System
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