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Unity Motorhome
Winterization with Plumbing Non-toxic Antifreeze
1.
Make sure the water tank heater LP gas switch (1) is
switched "OFF." (not required with optional on demand
water heater)
2.
Turn the hot water tank by-pass valve (2) to "BY-
PASS." (not required with optional on demand water
heater)
3.
Turn the winterize valve (3) to "WINTERIZE."
4.
Remove the water filter canister, remove the filter
cartridge and reinstall the water filter canister.
5.
Place the suction hose (4) attached to the winterize
by-pass valve into a container filled with non-toxic
plumbing antifreeze.
6.
Turn the water pump switch (5) "ON" and pump
antifreeze through the kitchen faucet, vanity faucet,
shower, exterior faucet, toilet and toilet spray (if
equipped).
7.
Add approximately 1 cup of antifreeze to each drain
outlet.
8.
Drain and flush the hot water tank. Drain the black and
grey waste holding tanks.
9.
Empty the water filter canister of antifreeze.
10.
Open all faucets to release air pressure.
11.
Remove the screen from the city water fill connection
and depress center stem until no more water drains
out.
NOTICE
Do not use automotive coolant antifreeze. It is toxic
and will contaminate the water system.
Storage & Winterization
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