Harrington RY 3 Ton Dual, Speed Electric Wire Rope Hoist And Trolley, 25' Lift, 26 4.3 FPM, 460V SKU: PR 4753 1937128 Assembly: Pre Assembled Supplier SKU: PR 4753 1937128 Assembly: Pre Assembled Supplier Intended Use: Residential Use Only 000 BtuH Annual Fuel Utilization Efficiency 85 % Boiler Type Hot Water Boiler Vent Diameter 3 in Return Connection Size 1 1 4 in Supply Connection Size 1 1 4 in Overall Height 37 3 4 in Overall Width 12 3 4 in Overall Depth 26 1 2 in Manufacturers Warranty Length Limited Lifetime Includes Direct Vent Kit Connection Size 1 2 in Fuel Type Natural Gas Housing Material Cast Iron (Heat Exchanger) Ignition Type Electronic Ignition Standards AHRI Certified Weights & Dimensions Standard guide rollers