The UltraCirc design incorporates a ball valve on the inlet side of the pump, a spring check valve on the discharge side of the pump, and 1/2-inch sweat union connections. The magnetically driven ...
Engineers at Laing Thermotech Inc., Chula Vista, Calif. (lainginc.com), anticipating a sharp spike in interest in solar-powered systems, have designed the Ecocirc DC pump, a circulation pump that can ...
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