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center perform this test unless you have the proper equipment and full
understanding of how to perform this test. You may also wish to use a
local reputable RV service center to perform this function.
2. PLUMBING SYSTEM
Maintenance to plumbing system is minor, there are two items of
importance.
Instructions to sanitize your portable water systems are found in your
owners manual.
Finding and searching for water leaks is important and may be
difficult to find.
A good method to search for a leak is to:
• Place water into fresh water tank.
• Fill the system with water.
• Start the 12 volt water pump to full pressure till pump shuts off.
• If pump cycles within ten minutes, search for a water leak.
If the coach is equipped with an ice maker and/or water filter, don’t
forget to review these connections as well.
A. Toilet Stool
1. DEODORIZING – This toilet was designed to be compatible with
Thetford brand holding tank deodorants.
2. CLEANING – Use Thetford
Aqua-Clean
™ non-abrasive cleaner
with a soft bristle, non-abrasive bowl brush, sponge or soft cloth. DO
NOT USE SCOURING POWDERS, ACIDS OR CONCENTRATED
CLEANERS, WHICH CAN DAMAGE SURFACES, PLASTIC
PARTS AND RUBBER SEALS. FAILURE TO DO SO CAN VOID
YOUR WARRANTY.
B. Maintenance for Holding Tanks
The following maintenance is recommended by our holding tank
suppliers to keep your tanks clean and keep the probes free of debris
and build-up.
• Gray (Waste-Water) Tank. Fill tank with 10-12 gallons of warm
water. Add a degreaser such as a citrus cleaner or Dawn dish
soap. Leave solution in tank while you are traveling. Rinse and
drain tank.
• Black (Sewer) Tank. Fill tank with 10-12 gallons of water. Add one
bottle of drain cleaner, such as Drano or Liquid Plumber. Leave the
solution in tank while traveling. Rinse and drain tank.
