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Demand Or Power Plumbing Systems (Fig. 45)
1. Drain all tanks and fresh water lines by opening the tank drain valve V3 & V4. The
tank drain is outside of the left front corner of the camper. Also open all faucet valves
for air to replace the water space. The lines may not drain completely if the faucets
are not open.
2. Close valve V3 & V4.
3. Close Valve V1 to prevent anti-freeze from entering the tank.
4. Open valve V2 and insert the siphon hose into a container full of non-toxic RV
anti-freeze.
5. Start the demand pump to circulate anti-freeze throughout the system.
Drain Traps
Since all water can not be drained from the sink and optional shower trap assemblies, pour
one (1) pint of non-toxic anti-freeze into the traps.
Cassette Toilet (With Bath/Shower Option Only)
If your trailer is equipped with the optional cassette toilet, refer to the toilet manufacturer’s
supplied instructions for winterizing the cassette toilet. If you have questions, consult your
independent, authorized dealer or the toilet manufacturer’s website at www.thetford.com.
Jay Series/Baja/Select Folding Camping Trailer 97
Storing Your Unit...
Water
Heater
Water
Tank
To Shower
Siphon
Hose
Dinette Cabinet
Wall (Paneling)
Pump
V2
V1
V3
V4
V1 = Valve that isolates water tank system
V2 = Valve to siphon hose
V3 & V4 = Low point drain valves
Fig. 45