5
4.2 Minimum installation requirements
Electrical
Power draw 15 amps/12 V DC
Circuit breaker/fuse 20 amps/12 V DC
Wiring
Refer to ANSI/RVIA LV and NFPA 70/NEC Standards for recommended wire gauge (USA).
Refer to CEC I and II Standards for recommended wire gauge (Canada).
Water
Supply
Fitting 1/2 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
(2 options)
Floor ange Floor ange – 3 in./76 mm ID, 1/4-7/16 in. (6-11 mm) thick
Remote
(not on ange directly
above waste tank)
Sanitation hose size – 1.5 in. / 38 mm or 1 in. / 25 mm ID
Horizontal hose run – 40 ft. / 12.2 m maximum**
* Water supply that exceeds 5.0 gpm / 18.9 lpm may require a ow restrictor at toilet inlet.
** Check for adequate discharge ow if installation nears this distance.
Refer to ANSI 1192 and Z240 RV Series standards, where applicable, for additional RV toilet installation guidelines.
Specications are subject to change without notice.
4.3 Toilet dimensions (g.
2
, page 2) All dimensions may vary ±3/8 inch (10 mm)
Ref.
Model 7640
A 20 in. / 508 mm
B 15 in. / 381 mm
C 19 in. / 483 mm
D 18.375 in. / 467 mm - seat height
E 33.875 in. / 860 mm - seat lid up
F 14.75 in. / 375 mm - back to front of base
G 10 in. / 254 mm - rough-in
4.4 Rough-in dimensions (g.
3
, page 2)
Ref. Dimensions/Description
A 10 in. / 254 mm
B 11 in. / 279 mm
C 11 in. / 279 mm
D Floor ange
Ref. Dimensions/Description
E Left wall
F Back wall
G Right wall
Specifications
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