SECTION 8-PLUMBING SYSTEMS JAYCO TOWABLE
Residential Refrigerator (if so equipped): Remove the refrigerator water filter (if so
equipped), discard it. (Install a new filter in the spring) Open the refrigerator low
point drain and drain water out of the refrigerator lines. Unplug the refrigerator. Prop
open the refrigerator doors to prevent odors from developing.
RV style Refrigerator (if so equipped): Unplug the refrigerator and prop open the
doors to prevent odors from developing.
Washing Machine (if so equipped): Open hot water line until you hear air coming
out, close spigot. Open cold water line until you hear air coming out, close spigot.
Add about a quart of antifreeze into the tub. Set control to Drain/Spin setting and let
run for about 1 minute. Antifreeze should go down into the machine pump. Stop the
washer, unplug it and wipe out any excess antifreeze.
5. Use an air hose and a blow out plug (customer supplied), blow air through the City
Water connection. Any remaining water should blow out in five to ten minutes.
6. Pour one cup of non-toxic RV antifreeze into any/all drain P-traps. (bathtub & sinks).
Demand (Power Plumbing System) Method
It may be easier to winterize the RV with another person to assist you.
Antifreeze should never enter the water heater, RV water filter, refrigerator, refrigerator
water filter, or fresh water tank.
1. Turn water heater power OFF. (both switches: Electric & LP Gas) Water heater
should never be drained when HOT or under pressure.
2. Level the RV and drain the fresh water plumbing system. (See Draining the Fresh
Water System)
3. Replace the water filter cartridge with the clear plastic bypass hose (if so equipped).
On Full System Canister water filters, remove the canister, take out the filter, and
reattach the empty canister.
Residential Refrigerator: Antifreeze should be kept out of the refrigerator. Remove
the refrigerator water filter and discard. Replace with a new one in the spring. Open
low point drain for refrigerator and drain the water. Unplug the refrigerator, prop
open the doors to prevent odors.
De-Winterizing Refrigerator: Flush the antifreeze from all the RV water lines
first to keep antifreeze out of the refrigerator lines. Do not operate ice maker or
water dispenser until all antifreeze is flushed out of the system.
4. Water heater should be empty after performing. Step 2. Water heater valves (if so
equipped): A&B should still be closed, valve C open.
5. Make sure the “fresh water tank drain” and “low point drains” are closed. This would
include the refrigerator/washer low point drains (if so equipped).
6. Close the fresh water tank shutoff valve “D” (if so equipped). Valve should be
located in the vicinity of the water pump.
7. Open valve “E” on the water pump with the clear hose attached and insert the
opposite end of the clear hose into a container of RV antifreeze solution.
8. Turn the water pump ON. Antifreeze will be drawn into the water lines.
9. Open the hot water line faucets (kitchen/bath sinks, shower and outside shower (if so
equipped) until RV antifreeze begins to flow continuously.
10. Close the hot water line faucets and repeat with the cold water line faucets.
11. Toilet: Flush the toilet several times until you see antifreeze in the bowl.
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