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Old 03-30-2012, 03:03 PM   #1
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winterizing/dewinterizing

I am new to trailering (been 20 years since last owned an RV) and need to dewinterize the 2004 Cardinal 5th wheel (36.5 ft) I have purchased. Any one able to walk me through the procedure for this model and year. much appreciated.
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Old 03-30-2012, 07:04 PM   #2
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firelaw, not really sure if anyone has that exact model here, but basically all models work the same.

Find the back side of your water heater, and open the valves going into and out of the water heater. Close the valve that connects the 2 lines. Make sure the bottom plug is in the water heater, as well as caps on all of your low point drains. Slowly introduce water into the city water connection, checking everywhere for leaks or open lines. Open each faucet individually, and let a lot of water run through the lines to flush out your RV antifreeze. It will take a little while to get water through your 1st hot water line, as the water heater needs to fill.

I also sanitize my water system, including my fresh water tank every spring, but that is a whole nudder topic.
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Old 03-30-2012, 08:03 PM   #3
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I would flush out the lines first before I opened and filled the hot water heater. Make sure all the air is out of the hot water line and the hot water tank is full before you turn the water heater on.
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Old 03-30-2012, 10:14 PM   #4
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Quote:
Originally Posted by PrairieBoy View Post
I would flush out the lines first before I opened and filled the hot water heater. Make sure all the air is out of the hot water line and the hot water tank is full before you turn the water heater on.
Excellent point !!! That is the way I usually do mine, but I had a brain lapse when posting.
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Old 03-31-2012, 12:00 AM   #5
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Times 3 -

Open low point drains
Open faucets
Fill tank with fresh water
Turn on pump
when low point drains run clear
turn off pump
Connect city water
when water runs clear again
cap low point drains
Open outside shower to drain last of RV antifreeze
Open valves for hot water heater
open pressure relief valve to let tank fill
Close pressure valve when water runs out
Flush toilet
Remove city water pressure
open a tap to relieve pressure
Open filter canister
Put in fresh filter
Add 1/4 cup of bleach to 1 gallon of water
add to fresh water tank
fill fresh water tank
turn on pump
wait for smell of chlorine at each tap and shut off
Sanitize system for 24 hours
open low point drains and fresh water tank drain valve
open pressure relief valve
open taps
close everything you opened
Refill system with chlorinated city water
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Old 03-31-2012, 12:48 PM   #6
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Very helpful from all of you. This will relieve some stress. Much appreciated.
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