A new line of energy efficient potable water re-circulator pumps from Bell & Gossett uses a unique technology to achieve significant energy savings while delivering instant hot water to every faucet. Featuring an electronically commutated motor (ECM) and a patented spherical motor design, the Ecocirc eliminates the need for a conventional shaft, seal and bearing assembly. The rotor/impeller is the only moving part in the entire pump and it is magnetically balanced on a stationery ceramic bearing inside the pump housing to provide silent, reliable operation. This results in an energy savings of about 68 percent compared to a standard pump, reports the manufacturer. As well, ITT estimates that a recirculating water system can save the average family of four about 12,000 gallons of water per year by eliminating the need to wait for hot water to reach the plumbing fixture. The pump has no seals and is maintenance free. The motor is separated from wetted parts by a stainless steel partition. A timer module is available to convert the pump to timer control. Bell & Gossett acquired this unique technology when ITT purchased German pump manufacturer Laing GmbH in 2009.
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