Yard Hydrants – Kupferle offers a variety of both ¾” and 1” yard hydrants that are ideal for campgrounds, parks, golf courses, and more. Our Eclipse, Corn King, and Truflo models offer users different options in both appearance and valve design, each with unique advantages. Kupferle’s yard hydrants are all self-draining and non-freezing and can be fully serviced from above ground without the need to dig.