Document Lp6japzp8ZnVLndvdy5jqpqKq

Air Conditioning He^SdcSL, Airtherm Manufacturing Company 728 S. Spring Ave. St. Louis 10, Mo. AIRTHERM Steam Unit Heaters, Horizontal and Vertical Discharge Horizontal models are produced in ca pacities from 18,000 to 270,000 Btu. Ver tical models 32,000 to 350,000 Btu per hour. Write for Catalog 1208-A. AIRTHERM Gas or Oil Fired Space Heaters A complete heating, and heating and ventilating unit. Equipped with motors, burner and all safety and operating con trols. Easy to install and operate. Heavy duty steel combustion cnamber lined with castable refractory. Capacities from 650,000 to 2,000,000 Btu per hour. Write for Catalog 802. AIRTHERM Centrifugal Fan Unit Heaters AIRTHERM Convectors Airtherm Convectors are designed for easy installation and outstanding per formance. Copper coil for all hot water and two pipe steam systems. Produced in full range of types and sizes. Write for Catalog 702. For all types of heating, and heating and ventilating installations, industrial and commercial buildings, auditoriums, gym nasiums, schools. Available with dam pers, filters and non-freeze coils. Ca pacities up to 1,440,000 Btu per hour. Write for Catalog 402. 1122 Air Conditioning HateT"*1 Campbell Heating Company 3121 Dean Ave., Des Moines, Iowa DIRECT FIRED SPACE HEATERS Oil, Gas, Stoker, Hand Fired or Combination Gas and Oil Fired Heater Guaranteed for 10 Tears from Any Cause, Blower, Motor, Burner and Controls, for One Year Against Defects. The Campbell Dir ect Fired Space Heat ers are designed to be located in the room to be heated but they can be connected to a duct system for heating any type of building and are quiet enough to be used in churches, schools, etc. They are designed to be shipped as a com plete unit ready to connect to fuel line, electric power and flue but they can be ship ped in sections for as sembling in a base ment room. The steel heater is then assem bled and welded on the job. Furnished also for Gas, Stoker or Hand Firing Unit Num' ber Btu (1) Output Capacity 70 Return Air-- No Ducts Blower CFM (2) Motor HP (3) Heat ing Surface Sq. Ft. Overall Dimensions inches Not ind. burner W L Ht. Firing Rates Stack Connection Dia. In. (4) OU GPH 1000 Btu GAS C.F.H. Approx. Ship- wT/ht 8toker Lbs/H r U8075 US100 725,000 8,850 2 -i HP 280 75 80 114 893,000 10,900 2 -4 HP 320 75 93 118 12 14 7.0 900 8.5 1,120 80 5,000 100 U8135 1,080,000 13,200 2 .} HP 360 75 105 120 16 10.5 1,350 125 7,000 08150 1,275,000 15,600 2-1 HP 440 75 118 120 U8175 1,440,000 17,500 2 -1 HP 480 75 130 120 U8200 1.725.000 21,100 2 -1 HP 600 94 137 136 16 18 20 12.0 14.0 16.5 1,600 1,800 2,150 150 175 10.000 200 11,000 08850 2,160.000 26,400 2-HHP 750 94 157 136 20 20.5 2.700 250 13,000 (1) Heat Emission per square foot of heating surface is 3000 Btu per hour or less. If heater is not located in room to be heated an allowance for radiation losses should be made. (2) Rated air volume produces 75 deg air temperature rise through the heater. Thin air volume can be varied to suit other conditions. (3) Motor size can be increased to provide for any duct system. (4) An induced draft blower can be furnished if a stack or chimney is not available.' The gas passages of the heater are adequate so that an induced draft blower is - not ordinarily necessary. For data an other Campbell Product* tee paces 1108-1109. East&bn Representative: Neil Adams, Old York Road, Lambebtvillb, N. J., Telephone No. 665 1123