Arid Bilge Systems Series 4

Choose 4 to 8 Intakes


Arid Bilge is a central vacuum system that automatically and effortlessly maintains bilge compartments throughout the vessel 100% dusty dry.

SKU: N/ACategories: Tags: ,

Available with 4 to 8 independently controlled intake ports
Arid Bilge is automatic, reliable, flexible, and best of all, it really works.

  • Eliminate the #1 source of on board odors
  • Lower on board humidity and prevent condensation damage
  • Find small leaks that now leave trails through a dry bilge
  • Stop mold and mildew before it starts to grow
  • Enhance the vessel’s resale value
  • Optional USCG approved 15ppm oily water monitored systems available

You will notice the Arid Bilge difference within 24 hours of installation.

Weight N/A
Dimensions N/A

15 inches / 38 centimeters

Box width

9 inches / 23 centimeters


7.5 inches / 19 centimeters

Box dry weight

15 pounds / 7 kilograms base unit

Intake tubing

3/16” Polyethylene tubing 200 feet for 4 zone, + 100 feet for 5 & 6 zone, + 200 feet for 7 & 8 zone

Unit Maximum Expected Flow Rate

11 US gallons / 39 liters per hour


Choose 12 volt DC or 24 volt DC version

Power draw

0.09 amp (90 milliamps) average standby draw, 0.8 amps average run draw at 12 volt DC with one active zone


This unit meets USCG 33CFR 183.410 ignition protection

Intake ports

3/16” Alkon push lock with solenoid valves, soft expandable tubing for pinch valves

Discharge port

1/2" barbed fitting


PLC Direct Logic 05 Koyo D0-05 processor, software proprietary.

Compressor / vacuum pump

Schwarzer Precision

Main unit material

Air injected white PVC plastic

Limited warranty

One year parts and labor.


Clear Lexan with back surface applied graphics with LED indicator lights

Available Upgrades

Standard Solenoid Valves, Standard Solenoid Valves and Hour Meters, Pinch Valves, Pinch Valves and Hour Meters


Recommended selection, Custom selection


There are 4 pickup styles available for the Series 4.
All pickup styles have filter pads underneath which prevent debris from transiting into the intake tubing.
The pickups are not prone to clogging. Please see our blog article on pickups for additional detail.

Pickup Type Description Dimensions Picture
Mini Standard Pickup Use this on a flat-bottomed compartment.
Typically placed near the aft bilge pump.
This is our most popular pickup style with a variety of applications.
Standard Pickup Use this on a flat-bottomed compartment.
Typically placed near the aft bilge pump.
Offset Pickup Use this in a V-shaped compartment (up to a 45° angle).
Typically placed in the bow of the vessel or aft under the engines where the bottom of the bilge is angled.
Pickup Wand Use this flexible tube in tight areas.
Typically used in A.C. drip pans, near limber holes, under a bilge pump leveling platform, or in other narrow deep pockets that collect fluid.
Popular in older boats, wooden boats, or custom boats.
0.5″x5.5″ (bottom pad)