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Murdock Sanitary products include drinking fountains (with -NP option) and a few post hydrants.Highlights of the Sanitary Drinking Fountains
In the past, buried, as well as, frost-free drinking fountains have drained out a “weep hole”, located underground, allowing possible cross-connection contamination. Many states have determined that bacteria can migrate from the soil, in through the “weep hole”’ and contaminate the potable water supply. They have also determined that as the water table varies, it can enter in through the “weep hole” and exit the bubbler when the fountain is activated for drinking. In an effort to protect the public and the potable water supply these states have banned the use of “weep hole” style drinking fountains and yard hydrants for many uses.Introducing the patented Sanitary Drinking Fountain Mechanism. This fountain mechanism has a piston and cylinder arrangement that is operated by the pressure of the water supply.For example, when the drinking fountain is turned on, fresh water is delivered to the bubbler. At the same time, supply pressure forces the stored water, from the previous cycle, to be expelled through an air gap, above ground and down the fountain bowl drain. When the drinking fountain is turned off, the spring on top of the piston mechanism moves the piston down permitting the water in the bubbler line to drain back into the canister for storage, frost proofing, and the start of another cycle, and the drinking water stream does not fluctuate during the filling or emptying of the cylinder. Cycle time ensures the drinking fountain is frost free in seconds.Water waste is also minimal. Since no jet pump or venturi is used, only the water that has drained from the fountain delivery line, and stored in the cylinder, is wasted out the drain. The amount of water wasted to the drain for each cycle is 7 ounces – less than one cup. For more information on SafeWater™ from Murdock call our factory at 1-800-45-DRINK.