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Drinking Fountains Expanded Line
Heavy duty hydrants are equipped with a double ball check valve on the ground
drain and a vacuum-breaker on the outlet. The double-ball check valve is vented
externally and comes with teflon balls for 0% water absorption. The vacuum-breaker
prevents unwanted back-siphonage into the unit from an attached hose. The valve satisfies many code requirements. Available in: 3/4”, 1”, 1-1/2”, 2”.