Myth Buster: The 80% Rule Isn't Just About Thermal Expansion

Every service tech knows the '80% rule' for filling propane tanks. But many only link it to thermal expansion. While true, that's just part of the story. Misunderstanding the full scope of this critical safety measure can lead to dangerous overfilling scenarios, especially as temperatures fluctuate, and tank integrity varies. It's time to bust this myth and ensure every tech is working with the full picture.