Why Don't Fire Hydrants Freeze and Explode?

The video explains why water pipes burst in winter and why fire hydrants don't. It describes the differences between wet and dry barrel fire hydrants, highlighting the advantages and disadvantages of each type. Wet barrel hydrants are used in mild climates but can freeze and burst in cold weather. Dry barrel hydrants, used in colder regions, keep water underground to prevent freezing. However, they can be harder to repair and may get clogged with debris.

What are the main differences between wet barrel and dry barrel fire hydrants?

Why do wet barrel hydrants pose a problem in colder climates?

How do dry barrel hydrants prevent freezing and rupturing?

What are some disadvantages of using dry barrel hydrants?

In what ways do cities face challenges with fire hydrants?