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Utilities & SystemsDrainageAll permanent fresh water tanks can be drained by one of two typesof drain valve:1. A white plastic drain is attached to outer wall. Open valve andallow to drain. (Fig. 18)2. A valve is located inside of coach adjacent to the water tank.The knob turns 45° to open and close.Fig. 18To drain the water supply lines, locate the “low-point” drains asshown in Fig. 19. These valves are placed near the floor and may belocated under cabinets, dinettes, sofas, beds, or in storage areas. As their name indicates,they will be at the lowest point of water lines. A label is placed on the outside of the traveltrailer to indicate where the drains are located. The drains will typically need to be openedfrom inside the trailer. Once the label is found on the outside of the trailer, go inside to findthe corresponding location of the drains.TO DRAIN SYSTEM:1. Open all faucets including the optional exteriorshower.2. Open the fresh water tank drain.3. Open the water heater drain. (Consult the water heaterowner’s manual for details.)4. Open all (2 to 4 depending on the model of yourtrailer) low-point drains. (Fig. 19)5. Open the toilet valve, hold or block it if necessary.6. To empty the pump, start and allow it to run 15-20seconds.Fig. 1956 Jay Flight Conventional Travel Trailer and Fifth-Wheel Travel Trailer