I pulled the water pump out of an old washing machine, it is located behind and attached to the hot and cold water in. there is one pump for hot and one pump for cold water, both are usually side by side. You just splice the male end of an electrical cord to the ends of the pump wires, together or seperately, add a timer or two timers, one for each pump if you want to spray two cages or two parts of a cage. They are ready to hook regular water hoses up to. You can slip the cut off end of a water hose over the pump's out and clamp it on with wire or hose clamp, then put the spray nozzle of a normal water hose on the end. I covered the whole electrical and pump with plastic and rubberbands to make it rain proof, or you could put it in a plastic bowl with a lid and holes for the elec and water in the sides. The same thing can be done with the ice maker pump in old refrigerators, only the water line out is small, and would be better for inside. It really only takes a rudimentary knowlege of electrical connections and screwdriver savvy.
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