Quote:
Originally Posted by Norrirn
The water heater should be drained separately. Placed back online and turned on, heating the water will take care of any bugs.
I referred to the Thor Owner’s Manual for guidance. I simply defer to their expertise.
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Here’s the applicable text from the Thor manual:
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You should sanitize and disinfect the fresh water system upon delivery of the unit and at least once per year or whenever the motorhome is unused for prolonged periods of time. This will help keep your water system fresh and discourage the growth of viral and bacterial contamination, which may be contained in your water supply. Use a chlorine and fresh water rinse as follows:
1. Drain the fresh water tank by opening the drain valve. All of the faucets should be in the closed or off position.
2. Prepare a solution of 1/4 cup household liquid chlorine bleach (5% sodium hypochlorite) to one gallon of water for every 15 gallons of tank capacity. Do not pour bleach straight into tank. Bleach must be diluted in water prior to filling.
Example: Add four 2/3 gallons solution to a 70 gallon tank. Add five 1/3 gallons solution to a 80 gallon tank. Add six 1 gallon solution to a 90 gallon tank. Add six 2/3 gallons solution to a 100 gallon tank.
This mixture puts a 50 PPM (parts per million) residual chlorine concentration in the motorhome’s water tank. This will act as quick-kill dosage for some harmful bacteria, viruses, and slime-forming organisms. Concentrations higher than 50 PPM may damage water lines and/or tank.
3. Close all faucets and drains, and fill the fresh water tank with the rinse solution through the potable water fill.
4. Turn on the pump switch and circulate the rinse solution throughout the entire system.
5. Once the rinse solution has been circulated through the entire system, fill the fresh water tank until it is full.
6. Close all faucets and drains and let the system sit for approximately three (3) hours.
7. Drain the entire system.
8. Flush the complete system with fresh water until chlorine odor disappears.
9. Finally, close all drains and fill the fresh water tank as you normally would. Make sure the water heater has water in it prior to igniting.
Chlorine is poisonous. Recap bottle and clean any appliances used with soap and water.
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I’m probably wrong about the water heater. Not sure where I got that so leaving it in-line is probably fine.
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