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6. Remove filter for cleaning and inspection. Inspect the
“O” rings on the filter (as found on page 16 of the Truma
water heater manual). Remove the filter for winter.
NOTE:
It is advised that you follow the Truma
recommendations for decalcification of the water heater.
These instructions can be found on page 17-21 of the Truma
water heater manual.
7. Remove the water line from the inlet side of the water
pump (this is the clear plastic line going into the water
pump filter). Connect a siphon hose to the inlet side of
the water pump and place the other end in a container
of non-toxic, RV antifreeze. Turn on the pump. This will
pump non-toxic RV antifreeze through all of your fresh
water lines.
NOTE:
Siphon hose consists of 40” of
½
” clear tubing with
a fitting to attach to the water pump. The fitting can be
purchased through an RV dealer.
8. Open the kitchen faucet, exterior shower faucet and
bathroom faucet one at a time allowing the antifreeze to
flow through both the hot and the cold sides. Open the
toilet valve and allow antifreeze to flow into the toilet bowl.
Turn off the water pump and disconnect the siphon hose.
Reattach the original fresh water supply fitting.
9. Pour
½
cup of non-toxic, RV antifreeze down each drain
(kitchen sink, bathroom sink and shower drain).
10. Open the low point drain valve on the white water line
for water heater recirculation. The low point drains are
located behind the waste holding tanks (driver side).
11. Open your grey and black water tank valves one last
time to ensure all water from the holding tanks is
completely drained. Once drained, close your grey and
black tank valves for winter.
OPTIONAL WINTERIZING FOR MILDER CLIMATES
Follow steps above #1-6
7. Open all three low point drain valves in the locations
listed in step 10.
8. Connect a blowout valve to the city water inlet.
Connect an compressed air source.
9. Open each tap (bathroom, kitchen, exterior shower,
and toilet) both hot and cold. Allow the air to blow the
remaining water out of the taps and valves. Fully drain
the system. Leave all taps, toilet valve and drain valves
in an open position.
10. Pour
½
cup of non-toxic, RV antifreeze down each drain.
