SECTION 7
PLUMBING SYSTEMS
54
1. Level the RV and
drain the sink by
removing the drain
cap, then place the
cap back on the
drain.
2. If so equipped,
replace the water
filter cartridge with
the clear plastic
bypass hose.
3. Make sure the water heater is bypassed
and the control switch is OFF (if so
equipped).
4. Pour 12 oz. of RV antifreeze solution in
each p-trap (sink, shower, etc.).
Fig. 7.9 Example of sink p-trap
5. Close the high-pressure water line
between the water pump and the fresh
water tank.
Fig. 7.10 Valves and lines
6. Open the clear hose valve to the water
pump and insert the clear hose into a
container of RV antifreeze solution.
7. Turn the water pump switch ON until the
pump fills up with RV antifreeze solution.
8. Close the clear hose valve to the water
pump, then open the high-pressure water
line valve between the tank and the water
pump.
9. Open the holding tank valves to drain the
tank completely, then place the cap back
on the drain.
Fig. 7.11 Holding tank valve
10. Open the low point drain on the fresh
water tank to drain completely.
Fig. 7.12 Fresh water low point drain
When you are done adding RV antifreeze
11. Remove the siphon hose from the
container of RV antifreeze.
12. To prevent staining, wipe the RV
antifreeze out of the sink and shower (if so
equipped) using a soft, dry cloth.
To reduce the chance of contamination,
prevent the non-toxic drinking water hose
from coming into contact with the ground. If
needed, contact your Dealer for assistance.
Fig. 7.8 Sink
drain cap