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Section 8: Plumbing System
7. Turn the (color) valve handles to the POWERFILL position.
8. Low point drains should be open to remove water from the lines.
9. Open all faucets in the RV. If there is an outside shower, attach the shower hose to the
shower, and open shower faucets.
10. Drain plug should be removed from tank (storage) water heater.
11. Run the water pump until pump is dry (approximately 15 to 20 seconds). Do not oper-
ate pump longer than that without water, it can damage the pump.
12. After water is drained from the lines, turn the Red, Blue, Green and White valves so
they are at 45°
(Fig 2)
13. Attach a blowout plug to the City Water Inlet on the utility center panel
(Fig 2).
14. Attach the air hose to the blowout plug. Set the compressor to
30 PSI
. Set the four
color valves to 45° angle
(Fig 2). Red, Blue, Green & White valves must be set at
45° before applying air pressure 30 PSI Max.
15. Blow air into the utility center
(30 PSI Max)
. Water lines should be clear in 5 to 10
minutes.
16.
Turn off air supply, remove air hose and blowout plug.
17. Close low point drains, replace the water heater drain plug. (Tankless water heater
should now be purged of water)
18. Set the colored valves to the WINTERIZE positions.
If your RV is equipped with a residential style refrigerator, winterizing instruction
sheet (0311859 Whirlpool) may be included in your Warranty Packet.
19. Pour one cup of RV antifreeze in all drain P-traps (sinks and bathtub).
Winterize the Black Tank Flush
1. Connect the blowout plug to the Black Tank Flush inlet at the utility center panel.
2.
Colored valves have no effect on the black tank flush inlet.
3. Connect the air hose to the blowout plug. Set the compressor to
30 PSI maximum
.
4. Make sure the black tank has been emptied. Open the black tank drain gate valve.
5.
Blow air into the flush inlet for 30 to 60 seconds.
6. Disconnect the air hose, compressor and blowout plug.
7. Close the black tank drain gate valve (typically under the RV).
NOTE:
Appliances (refrigerator, dishwasher or clothes washer)
must be winterized. Refer to the appliance owner’s manual for
possible additional information or contact your Dealer or Customer
Service for assistance.
NOTE:
Filters should be replaced at the beginning of the camping
season or if they have been exposed to contaminated water or
antifreeze..
Table of Contents
Maintenance Record
Summary of Contents for Precept
Page 1: ...2021 Owner s Manual 0230295 2021 A subsidiary of Thor Industries Inc...
Page 2: ......
Page 8: ...Table of Contents...
Page 23: ...21 Section 1 Warranty Service Table of Contents Maintenance Record...
Page 24: ...22 Section 1 Warranty Service Notes Table of Contents Maintenance Record...
Page 34: ...32 Section 2 Occupant Safety Notes Table of Contents Maintenance Record...
Page 40: ...38 Section 3 Pre Travel Information Notes Table of Contents Maintenance Record...
Page 156: ...154 Section 13 Exterior Notes Table of Contents Maintenance Record...
Page 160: ...158 Section 14 Travel Camping Storage Checklists Notes Table of Contents Maintenance Record...
Page 164: ...162 Section 15 Additional Information Notes Table of Contents Maintenance Record...