Model 7501BL240 NEMA 4 heated, insulated blanket to provide ANSI compliant tempered water in operating temperatures to -30°F (-34°C). The self-contained blanket easily installs onto existing model 7501 units. 240V, 2A, 1 phase electrical requirement. Power cord not provided - must install appropriate cord per code. Haz Loc options available. Built with CSA certified components.