Winnebago Via 25Q Manual page 72

SECTION 7 –
PLUMBING
Dumping Holding Tanks
1. Remove sewage drain hose from passenger
rear compartment or cylindrical compartment
near water service center, depending on
model.
2. Remove dust cap from sewage drain outlet
and connect sewage drain hose. Be sure it is
firmly attached.
Sewage Drain Outlet
(Located in driver side compartment)
-Typical View
3. Place the outlet end of sewage drain hose into
disposal opening.
4. Open the Black Waste Tank Drain valve with
a quick pull and make sure there are no sags in
the hose. Move the hose gently about to
dislodge any waste and ensure complete
drainage. Close Black Waste Tank Drain
valve as soon as tank is empty.
1st - Pull Black
Waste Tank Drain
Valve to drain
black water
(sewage) tank.
Black Waste Tank Drain Valve
(Located in driver side compartment)
-Typical View
7-10
NOTE: DO NOT OPEN BOTH VALVES AT
5. Open the Gray Waste Tank Drain valve
NOTE: Sound of Waste Pump will change
Dust Cap
ONCE. Do not open the Gray Waste Tank
Drain valve until the black tank is
drained and dump valve closed to avoid
sewage back-up into gray tank. Gray
water also rinses any black water solids
from the sewage drain hose.
(located beneath driver side rear
compartment). Press and Hold the Waste
Pump switch (located in the water service
center). Release the Waste Pump switch and
close the Gray Waste Tank Drain valve as
soon as the tank is empty.
significantly when tank is empty.
2nd - Pull Gray Waste Tank
Drain Valve to drain gray water
(sink/shower) tank.
Gray Waste Tank Drain Valve
(Located underneath driver
side rear compartment)
-Typical View
Waste Pump Switch
(Located in water service center)
-Typical View