8-9
If the water supply has not been used for some time, allow the water to flow for
several minutes to flush the system. When not in use, the water filter cartridge
should be stored out of freezing temperatures. RV antifreeze will damage the
water filter cartridge.
Each new RV is winterized with RV antifreeze before it is shipped to the dealer. To
use the water purification system: the antifreeze must be flushed out of the
system. The clear plastic bypass hose must be removed before installing the
cartridge filter (if so equipped). Refer to the section Draining the Fresh Water
System.
Replacing the water filter cartridge:
Replace the water filter cartridge at least once a year.
1. Drain the fresh water system.
2. Place a container beneath the water cartridge filter to catch any spillage.
3. Unscrew the fittings at the top and bottom of the water filter cartridge. Pull the
water filter cartridge down and out of the fittings.
Insert the new water filter cartridge and tighten the fittings securely by hand.
Dispose of the used water cartridge filter.
For more information: Refer to the manufacturer’s owner’s manual and the label
on the water filter cartridge
DRAINING THE FRESH WATER SYSTEM
The fresh water tank may be drained through a valve located near the tank. An RV
with a demand pressure pump system will have low-point drains attached to the
water lines (normally located near the water tank).
These low-point drains will release water in the supply lines by opening the valves
and all faucets. To drain the permanent fresh water holding tank and supply lines:
1. Turn water heater gas valve OFF. (Fig 8.5 located outside the trailer)
2. Open all faucets, including the outside shower faucets (if so equipped).
3. Open the exterior fresh tank drain valve on the permanent fresh water holding
tank This knob turns 45° to open or close. (Fig 8.7)
4. Open the “low point drains” (Fig 8.8) by turning, then pulling the handles up.
As their name indicates, the valves will be at the lowest point of water lines. A
label may be placed on the outside of the RV to indicate where the drains are
located. The drains will typically need to be opened from inside the trailer.
Once the label is found on the outside of the trailer, go inside to find the
corresponding location of the drains.
5. Drain the sink by removing the drain cap.
6. Turn ON the water pump and allow it to run as needed.
7. Make sure the water heater valves A&B are closed, valve C is open. (Refer to
Bypass Diagram Fig 8.6)
Fig. 8.7
Exterior
fresh water
drain
Fig. 8.8
Low point
drains
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