An animal watering valve preferably includes a valve device, a check ball, a screen disc and retention tail. The valve device preferably includes a valve body, a valve stem, a retention plug, a stem o-ring and a compression spring. The valve body preferably includes a threaded shank. A valve bore is formed in the valve body to receive the valve stem. A plug bore is formed in the threaded shank. The retention plug preferably is threaded into the plug bore. The retention tail preferably includes a receiver body and an attachment shaft. The receiver body includes a ball tapered counter bore to receive the check ball and a screen counter bore to receive the screen disc. The threaded shank tap is sized to threadably receive the threaded shank of the valve body. A valve extender is used to increase a length of the animal watering valve.
