STORAGE AND WINTERIZATION REGENCY ULTRA MOTORHOME
S t o r a g e a n d W i n t e r i z a t i o n | 73
COLD TEMPERATURE STORAGE
Water System Winterization
DRAINING
o Drain the fresh water tank by opening the
fresh water tank drain valve. Refer to the
“Water and Plumbing System” chapter for
location details.
o When the fresh water tank is completely
empty, run the water pump for 1 minute to
drain out any water remaining in the pump.
o Remove the water filter screen and clean. Re-
install the clean screen.
o Drain the water heater by relieving the
pressure at the pressure relief valve.
o Unclip the Easy-Open drain lever and remove
filter screen.
o Attach the blow out plug to the city water
hookup in the utility center.
o Connect a compressed air line to the blow
out plug.
o Open all hot and cold-water faucets,
including the exterior shower and blow out
all water.
o Disconnect the compressed air line and
remove the blow out plug. Release air
pressure by opening all faucets.
o Remove the water filter canister, empty any
remaining water and reinstall the water filter
canister.
o Drain the black and grey waste holding tanks.
o Add approximately 1 cup of non-toxic
plumbing antifreeze to the kitchen sink,
bathroom sink, shower drain and toilet bowl.
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