Manual
5
Dometic Gravity-Flush Toilet Intended use / Specifications
3 Intended use
Dometic 300, 310 and 320 series toilets provide lightweight, residential-size toilets for installation
directly above a holding tank.
3.1 Benefits
PowerFlush technology. Improved pressurized rim ow creates high-speed vortex of water for full
bowl rinsing.
Premium user comfort. Full-size seat and deep bowl result in greater homelike performance.
Easy installation. Two-bolt design ts most existing toilet oor anges – great for new or replace-
ment installations. Just place on oor ange, tighten bolts, connect water, and it’s ready.
Ergonomically enhanced pedal operation. Lower pedal height for easier use; “one-direction”
action to add water and ush.
4 Specifications
4.1 Materials
Materials
Toilet bowl: vitreous ceramic (models 310, 311,
Foot pedal: polypropylene
Water valve: polypropylene
Vacuum breaker: ABS/polypropylene
Floor seal: nitrile rubber, foam
320, 321); polypropylene (models 300, 301)
Toilet seat: polypropylene (models 300, 301, 310,
311); enameled wood (models 320, 321)
Flush ball seal: nitrile butyl rubber
Toilet base: polypropylene
4.2 Minimum installation requirements
Water
Supply
Fitting 0.5 in. NPT
Flow rate
3.0-5.0* gpm / 11.4-18.9 lpm recommended
2.0 gpm / 9.5 lpm minimum
Static pressure 30-100 PSI / 206.8-689.5 kPa
Discharge Floor ange 3 in./76 mm ID, 1/4-7/16 in. (6-11 mm) thick
* Water supply that exceeds 5.0 gpm / 18.9 lpm may require a ow restrictor at toilet inlet.
Specications subject to change without notice.
4.3 Toilet dimensions (g.
2
, page 3)
All dimensions may vary ±3/8 inch (10 mm)
Ref.
Dimensions – Standard-height toilets
Model 300 Model 310 Model 320
A 19.75 in. / 502 mm 20 in. / 508 mm 19.75 in. / 502 mm
B 16 in. / 406 mm 15 in. / 381 mm 14.75 in. / 375 mm
C 19.75 in. / 502 mm 19 in. / 483 mm 22 in. / 559 mm
D 18.25 in. / 464 mm - seat height 18 in. / 457 mm - seat height 18.25 in. / 467 mm - seat height
E 13.25 in. / 337 mm 14.75 in. / 375 mm 16 in. / 406 mm
F 33.5 in. / 851 mm - seat lid up 33 in. / 838 mm - seat lid up 35 in. / 889 mm - seat lid up