Three (3) 40,000#/Hr. Nebraska Mobiler Trailer Mounted Package Watertube Boilers, 350 psig D.P., Model NOS-1A-53. Each boiler is capable of operating at pressures between 125-315 psig. The boiler is an "O" type design, 2-drum, bent tube type, composed of a 36" I.D. steam drum and 24" O.D. lower drum with 2" O.D. tubes. Each boiler has a total heating surface of 2,685 sq. ft., of which 390 sq. ft. are in the waterwalls. The furnance volume is 601 ct. ft. Built in accordance with ASME code and bears N.B. H.S.B. stampings. Equipped with a Todd Combustion Variflame low Nox, fully automatic burner for gas/# 2 oil firing, the boiler has a forced draft fan with 40HP, 3/60/440V, 1780RPM, TEFC motor with starter, Moore micoprocessor combination combustion and feedwater control system. Fireye microprocessor flame monitor system, 1/60/110V control circuit transformer, and is IRI, FM and NFPA approved. Fuel consumption is 360 GPH on #2 oil, 341GPH on #6 oil, and 53,000SCFH on natural gas. The valve trim consists of: one (1) Fisher feedwater control valve, one (1) 2" stop valve, one (1) check valve, one (1) feed control system drain valve, one (1) Clark-Reliance LWCO and auxiliary LWCO with bypass, one (1) Clark-Reliance water column assembly with high and low alarm, water gauge and valves, tricocks and drain valves, one (1) continuous blowndown control valve, one (1) stop valve, one (1) chemical feed valve, one (1) vent valve, two (2) Consolidated 1 - 1/2" safety valves, two (2) 1 -1/2" blowoff valves, as well as miscellaneous valve trim regulators, and controllers. Burner and controls are metal housed with extended rainhood cover. One (1) 8' H x 36" Dia. Stack with rectangular to round transition piece is included. All integrally mounted on a drop-deck, triple axle trailer. Approximate Overall Dimensions:   52' - 4" L x 8' - 6" W x 13' -9" H Approximate Total Shipping Weights:   73,100 Lbs IMMEDIATE SHIPMENT