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Unused Grundfos 1/2 HP Type UMS 50-80 recirculator pump. Model B No. G-411. Cast Iron contruction. 115 Volt, 1 Phase, 60 Hz. Has 2" flanged inlet and outlet. RPM 460(W)= 1575, 360(W)=1385, and 270(W)=1055. Includes speed plugs FOBAdditional Prep Fees May Apply