2400-30Y is a 1-1/4" to 1-1/2" flanged high-capacity cast iron in-line circulator pump used for hydronic heating and cooling. The Taco 2400-30Y is permanently lubricated with a 1/6 HP, 3450 RPM, 230v, single phase, open drip proof motor. Taco 2400 Series high-capacity, in-line circulator pumps are designed for medium to high flow and head applications. The 2400 Series features a space-saving, close-coupled, maintenance-free motor with permanently-lubricated, sealed-for-life bearings. A stainless steel shaft, Noryl impeller and durable, carbon (silicon-carbide) mechanical seal provide unmatched reliability.