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ABOUT Circulator Pumps

Circulator pumps circulate liquids in hydronic heating and cooling systems. Circulator pumps used in closed hydronic systems are commonly made of cast iron as the unoxygenated water in the closed loop will inhibit corrosion. Pumps that circulate oxygenated, potable water are generally made of bronze or stainless steel. Pump Express offers an extensive selection of top brand circulator pumps at the best prices on the web.