Carvin SERIE'S FEATURESPatented air-cooled heat sink allows pump to run dry without damage to shaft seal. UNCONDITIONAL ONE-YEAR WARRANTY AGAINST SEAL FAILURE.Compact volute case with an economical price for applications with flooded suction (non self-priming).Corrosion resistant case and bracket made from glass reinforced thermoplastic.Floating eye seal between closed impeller and diffuser maximizes efficiency.Suction and return connections 1 1/2" (38mm) NPT or union conne