Dometic 4848, 4809 Ordering Parts, Installation - General Information, Special Installation Notes

4800 SERIES VACUFLUSH TOILETS

Ordering Parts

Dometic is ready to assist you in the event service is required. Before calling, please have the following information available. Your cooperation in having this information ready is appreciated and allows us to better meet your needs. Please refer to Customer Service section in this manual.

1.Toilet Model Number (See Toilet Model Identification section, page 3.)

2.Serial Number

3.Part Number, Description and Quantity (see separate parts list sheet.)

Installation – General Information

Special Installation Notes

1.Each 4800 series toilet installation must include a separate vacuum generator or vacuum pump/tank combination (available separately).

2.See WARNINGS on page 3 for additional toilet system installation and operation information.

Flush Water Options

FRESH WATER SYSTEM – VacuFlush vacuum toilets can flush with fresh water or sea water. Fresh water is highly recommended because it reduces odors often associated with sea water and reduces system maintenance.

INSTALLATION NOTES

•Use cold water only.

•Water supply line: 1/2-in. (13mm) ID; toilet inlet fitting is 1/2-in. (13mm), 14 TPI.

•Requires 2.0 GPM (7.6 LPM) flow rate at toilet water valve.

•Include shut-off valve in water line for maintenance purposes.

RAW WATER SYSTEM – VacuFlush vacuum toilets can flush water filtration for this purpose. Please contact your nearest sales office for complete information.

with sea water but require a separate pump and VacuFlush dealer, distributor, or Dometic Sanitation

INSTALLATION NOTES

• See Notes from Freshwater System (above).
	Vented loop must be at
• Seacock must be full-flow, marine quality valve	least 8 inches [203mm]
(not screw-to-close type).	above water line in toilet
• Use primary and secondary raw water filters (see	during all conditions of
	heel, trim or load.
illustration).

Flush

Switch

•Position vented loop between discharge side of water pump and toilet. Must be equipped with integral check valve that permits air into line to prevent siphoning.

5/8-in. [16mm] Hose

1-inch [25mm] Hose

To Suction Side of Raw

Water Pump

Water Filter (Fine)

100 Mesh

Seacock

Small Engine Intake Strainer (Coarse)

Water Line

Raw Water

Pump

1/2-in. [13mm] Water

Hose

Vacuum

Toilet

Discharge Piping (see System Layout, page 4)

HORIZONTAL AND VERTICAL RUNS – All discharge piping and seacocks (including seacocks) must be 1.5-inch (38 mm) ID nominal pipe size. Maximum vertical piping from toilet outlet to vacuum source inlet is 6 feet (1.8 meters). Maximum horizontal length of vacuum piping from toilet outlet to vacuum source is 50 feet (15 meters). Other restrictions on discharge piping apply. Contact your nearest VacuFlush dealer, distributor, or Dometic Sanitation customer service for more information.