Sanitizing The Fresh Water System - THOR Class C Series Owner's Manual

WA T E R S Y S T E M S
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For additional information on the care and operation of the water pump, refer to the water
pump manufacturer's information.

Sanitizing the Fresh Water System

Sanitize the fresh water system before initial RVing use each year, after extended periods of
motorhome storage, at least once a year during continuous use, or if you think the fresh water
system has been compromised or contaminated.
1. Remove or by-pass your potable (drinking) water filter (if so equipped).
2. Disconnect and cap (or by-pass) your refrigerator ice maker inlet water line (if so equipped).
3. Disconnect and cap (or by-pass) your dishwasher inlet line (if so equipped).
4. Disconnect and cap (or by-pass) your washer inlet line (if so equipped).
5. If you have a dishwasher, ice maker, or washer follow the appropriate appliance
manufacturer's instructions pertaining to sanitization.
6. Prepare a solution using a gallon of water and ¼ cup of liquid household bleach (5% sodium
hypo-chlorinate solution). Use one gallon of solution for each 15 gallons of tank capacity.
7. Open your fresh water tank bypass tube shut off valves, or uncap them.
8. With an empty tank and all faucets and drains closed, pump the solution into the fresh water
tank, via the water fill cap using the water pump. Or carefully pour 1/2 cup of bleach (1/4
cup per 15 gallons of capacity) into your potable (drinking) water hose before connecting it
to the water source. The water source pressure will push the chlorine and water into the fresh
water tank, making the correct solution when the fresh water tank is full.
9. Completely fill the fresh water tank with fresh water.
10. Switch ON the water pump. Open all the faucets one at a time until all air is purged, and
the water flows freely.
11. Add fresh water to the fresh water tank again, until the water level reaches the fill spout.
12. Allow the solution to stand in the fresh water tank for at least three (3) hours.
13. Drain the fresh water system by opening all faucets and the fresh water tank drain valve
while flushing the system with fresh potable (drinking) water.
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