Re: [VAC] Fresh water and an unknown tube...

[Peter E Kaiser <pkaiser@xxxxxxxxxxx>]

From ‘RV Repair & Maintenance Manual’ by Bob Livingston

1. Drain the water tank completely, then refill halfway with clean, fresh
water.
2. Mix ¼ cup of household bleach for every 15 gallons of tank capacity in a
container with a gallon or tow of clean water.
3. Pour this mixture into the water tank
4. Top off the water tank with fresh water.  Drive the rig around the block to
mix the solution.
5. Pump water through each faucet so that all the lines are filled with the
water/bleach mixture from the tank.  Usually, running a quart of water out each
faucet is adequate.
6. The hot-water tank holds at least 6 gallons of water.   Run the hot
hot-water faucets until this much solution has passed to insure that the old
water has been purged from the hot-water tank, and it is now filled with the
water/bleach solution from the water tank.
7. Let the water stand for several hours.
8. Drain the entire water system, hot water tank included.
9. To remove the bleach odor, mix ½ cup of baking soda with a gallon of water
and pour into the freshwater tank.
10. Fill the tank completely and pump this solution through the water heater
and the rest of the water lines.  This solution can sit in the system for a few
days.  Driving the rig around the block will slosh water around and thoroughly
clean the tank.
11. Drain the entire system and refill with fresh, clean water.