![]() The head also has an outlet for water to flow through. They have a handle that when pulled up, will lift either the rod or the wet pipe (depending on the style of hydrant) allowing water to flow through the valve, up the vertical pipe and out the hydrant head. The top casted piece of a yard hydrant can come in many shapes and sizes, yet all serve the same basic purpose. There are 3 major parts to all hydrants: Yard Hydrant Head Each hydrant brand has unique features and different appearances. The most common yard hydrant brands are Woodford, Merrill, and Simmons. Above the valve piece, is the drain hole where the excess water drains out when the hydrant is not in use. Below it, the pressurized waterline is ready to dispense water when opened. This valve piece is where the water shuts off. It may crack or burst if frozen causing an underground water leak, which is a massive headache to fix. The bottom valve assembly on a yard hydrant cannot withstand freezing temperatures. The frost line varies from 0 to 8′ depending on the maximum frost depth in the region. The water lines need to be buried deep enough to prevent them from freezing. Yard hydrants attach to a pressurized water line from either a private well or a public water supply. Proper installation is key to having a long-lasting hydrant that doesn’t cause problems. The greatest benefit of a yard hydrant is that it will drain itself when turned off, so the pipe won’t freeze during any harsh weather conditions. A yard hydrant is part of your plumbing that allows you to have water to an outdoor location. All of these refer to the same piece of plumbing. Yard hydrants have gone by many names: frost-free hydrants, freeze-free hydrants, yard hydrants, water hydrants, and outdoor hydrants. ![]()
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