Which type of hydrant features a valve located a few feet beneath the ground?

The dry barrel hydrant is characterized by having its valve located beneath the ground level, typically several feet below the surface. This design allows for the hydrant to be drained, preventing any water from remaining inside the barrel, which could freeze in colder climates. The dry barrel hydrant is ideal for areas that experience freezing temperatures since it mitigates the risk of ice formation that can obstruct water flow when needed.

In contrast, wet barrel hydrants have their valve located above ground and remain filled with water at all times, making them unsuitable for colder regions. Combination hydrants combine features of both wet and dry barrel hydrants, but they still possess a visible valve and do not drain the same way as dry barrels. Flush hydrants are typically installed flush with the ground and are often used for flushing out sewer lines or for other non-fire suppression purposes; they do not match the description provided in the question.

Thus, the dry barrel hydrant’s design specifically caters to areas where ice prevention is crucial, emphasizing its importance in fire protection in applicable climates.