THOR Jayco Precept 2021, Owner'S Manual

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Section 8: Plumbing System
NOTE: There may be air in the water plumbing lines which needs to be
bled out before a steady stream of water comes from the faucet.
Bathroom Tub / Shower
Keep the water heater and holding tank capacities in mind when using the fresh water sys-
tem. The used water will drain through the plumbing pipes into the grey water holding tank.
 Be sure the water heater is ON and had sufficient time to heat the water.
 If dry camping, be sure your 12-volt water pump is ON.
Unlike your home, the recreational vehicle does not contain a water pressure balance valve.
If someone is using the shower, it is recommended that the fresh water system NOT BE
USED
until they are finished.
The shower faucet includes a vacuum breaker for the shower. There are two purposes for
this breaker:
 To prevent siphoning water through the hose from another fixture.
 To prevent water from being retained in the hose.
The showerhead DOES NOT have a complete shut-off valve (the complete shut-off is at the
faucet). The showerhead may drip slightly in the OFF position after use; this is normal and
does not indicate a leak or defect.
Maintenance
Refer the manufacturer’s user guide or label instructions for detailed cleaning information.
The tub/shower walls are made of ABS plastic material. Use a mild detergent soap and warm
water to clean. Do not use gritty or abrasive particle soaps or scouring compound to clean
ABS plastic. Avoid using “Citrus” or biodegradable cleaners which contain “D-Limonene.”
They will damage plastic materials. Contact your dealer for repair or replacement.
Water temperatures over 125°F (49°C) can cause severe burns instantly there-
fore, be careful when using hot water.
Always test the water temperature
before showering or washing.
Black/Grey Water System and Tanks
Water from the sinks and shower flows into the gray water (or wastewater) holding tank.
Water from the toilet will flow into the black water (or sewage) holding tank (see Black/
Grey Water Holding Tanks).
Drain Pipes with P-Trap (if so equipped)
The drain pipes may be equipped with a “P-trap” installed to help prevent odors from escap-
ing into the RV. During travel, water from the P-traps may spill and permit odors into the
RV. By adding water and using a RV approved deodorizing agent you will dissolve the con-
tents faster and will keep the drain lines and tanks clean and free flowing. These chemicals
are available at an RV supply store or your dealer.
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