AbsolutAire AA-5 U 15,000 Cfm 1,500 MBH Direct Fired Heating/Ventilating System Make: AbsoluteAire Model AA-5 U  Serial: 17005 Cfm: 15,000 @ 1.25" W.C. External Static Pressure Blower Size: 15 Hp Burner Capacity: 1,500 MBH Propane Fired Gas Line Size: 1-1/4" Max Gas Pressure: 5 Psi 36" Support Legs Side Access Filter Section W/2" Aluminum Filters Motorized Inlet Damper Extended Lube Lines UV Flame Detection Dirty Filter Indicator  High & Low Gas Pressure Switch 460 Volts 3Ph  60 Hz Manuals Included In Sale Located In NH, USA Asset Installed In 2000