RV Fresh Water System Sanitized Using Vinegar & Water Heater

jdc1 wrote:
While vinegar does kill some bacteria, it does not come close to what bleach does.

That's where the heat comes in. Even if the water temp doesn't make it to the 130 degree mark, The hot water and vinegar will still create a good cleaning action rinsing out the system removing some crud from inside surfaces and rinsing stuff out the drain pipe.