Fresh Water Sanitation
It is important to annually perform sanitation of the fresh water system on RVs. I did an earlier post on this topic, Sanitize the Fresh Water System on the T@B 400. It has general information on why it is necessary. However, it was for our NüCamp 400 and the Lance 2075 sanitation process has a few differences.
Lance Differences
- The Truma Combi water heater is in the 2075 and Truma instructs that bleach should not be used in it. See page from Truma Combi manual below.
- More bleach is needed in the 2075 because the fresh water tank holds 45 gallons. So, 3/4 cup of bleach is required. (1/4 cup per 15 gallons)
- Lastly, one must bypass the Truma hot water heater to perform the Lance sanitation process.
Fresh Water Sanitation Steps
- Empty the fresh water tank.
- Perform steps to bypass Truma Combi water heater. (See below)
- Put 3/4 cup of bleach (1/4 cup per 15 gallon tank) into a gallon container and fill with water. Pour contents of container into the fresh water tank.
- Fill fresh water tank with water.
- Use pump to draw water through to all faucets to bring in the bleach water.
- Allow bleach water to sit at least three hours or (preferably) overnight.
- Drain the bleach water from the tank.
- Fill the water tank with fresh water and pull it through the all faucets using the water pump.
- Drain the water.
- Reverse the steps used to bypass the Truma.
Truma Bypass Valve
Our Lance has a yellow tag near the bypass valve. Once on bypass, I verified that our hot water heater was indeed not taking in water. Water does flow to the hot water faucets, but no water flowed to the Truma. (I could tell because I emptied the Truma and after drawing water to the faucets, it was still empty).
Our valve is right next to the door to the Truma compartment at the bottom. The first photo below shows the normal valve position and the second is in bypass mode.
In Conclusion
The process was easy, but a bit time-consuming. I found that doing this increased my understanding of the Truma.
Happy Camping Y’all
