Document QJme60eXmvxrpEkwgNaO1aR1L

Air Conditioning Industrial Heating Direct Fired Units National Heater Company, Inc. 2475 Doswell Avenue St. Paul 4, Minnesota Sales representatives in principal cities in U. S. and Canada WARM AIR SPACE HEATERS MODEL H----- Standard upright (floor set) model. Also MODEL D--without discharge heads for duct installations. TD Series 6 models--66 sizes! Gas, oil or gas & oil fired! Stainless steel combustion chamber! 80 percent operating efficiency! Basic models UL or A.G.A. approved! Low initial cost! Easy, quick installation! Low operating cost! Minimum maintenance! Floor and suspended models! No full time operator required! Completely automatic--thermostati cally operated! Factory flame-tested! A complete "packaged" heater requir ing only fuel line, power and stack hook-up! WRITE FOR 1958 CATALOG i MODEL S--For Churches, MODEL R--Inverted Schools, Public Buildings suspended unit. For arid institutions. make-up air applications. MODEL P--Self- MODEL C~Horizontally sus- contained port- pended unit. Ideal where floor able unit. space is limited. HEATER NUM BER BTU* OUTPUT CFM AT H" SP SOFT HEAT ING SURFACE MOTOR HP 1800 RPM EXHAUS TER DIS CHARGE SUPPLY FAN RPM PLENUM OPENING APPROX. SHIP-'. PING'-' WEIGHT: TD-40 400,000 5,400 137 ! 7x7 720 18 x 60 1400 " ^ TD-50 500,000 6.600 137 1H 7 x 7 760 18 x 60 1500 TD-65 TD-75 650,000 750,000 7,600 8,800 178 178 2 2 7x7 7x7 680 18 x 80 700 18x80 1750..S* 1900 V' TD-85 850.000 10,200 255 3 7x7 750 18 x 80 24001 TD-100 1,000,000 12,500 255 5 7x7 880 18 x 80 2600- - TD-125 TD-150 TD-175 TD-200 1,250,000 1,500,000 1,760,000 2,000,000 15,300 19,400 22,000 26.000 436 436 585 585 5 10 x 10 m 10 x 10 m 10 x 10 10 10 x 10 660 24 x 100 740 24 x 100 760 80 x 120 790 30 x 120 3200 v3450 - 4l50v: 4300 . TD-250 2.500,000 32,000 862 10 10 x 10 850 30 x 160 TD-300 3,000,000 38,000 862 15 10 x 10 890 30 x 160 -A*** Tested and rated in accordance with the code adopted in 1955 by ASHAE for Heavy Duty Fur-^ nacea and Direct Fired Unit Heaters. 96 National Heater Co., Inc. Air Conditioning Industrial Heating Direct Fired Units U SERIES HI-BOY and COUNTER-FLO MODELS 1 h 1 Ily llyr ^ H II I III I WARM 'AIR SPACE HEATERS U Series HI-BOY and COUNTERFLO models. Research-designed for compactness plus efficiency are prime requirements. The HI-BOY upright units can be equipped with adjustable discharge heads or ar ranged for duct connections. COUNTERFLO models for under floor heat dis tribution systems or inverted ceiling suspension. Five sizes--175,000 to 350,000 Btu output capacity for either gas or oil firing. T-F Series suspended units. Heavy duty suspended units engineered for industrial and commercial heating applications where floor space is at a premium. Rugged, compact, easy to install--with four-way adjustable discharge head for T-F SERIES SUSPENDED UNITS convenient integration into a duct dis tribution system. Duct heaters available in identical Btu capacities. Special stain less steel and aluminized steel can be furnished for high temperature applica tions and corrosive conditions. Seven sizes--180,000 to 550,000 Btu output capacities--gas or oil fired. Model TF-18 TF-20 TF-23 TF-25 TF-30 TF-45 TF-55 Output (BTU/Hr) 180,000 200,000 230.000 250.000 300.000 450.000 550.000 Fan CFM Capacity 2,050 2,300 2,800 3,000 3,700 5,200 6.400 Avail. SP H H H H H H H Fan Motor HP K H v> H H m 2 Dimension in inches LWH 73 31 27 73 31 27 77 36 32 77 36 32 77 36 32 99 48 48 99 48 48 Shipping Weight 575 630 690 720 760 1750 1850 V SERIES--HI-BOY and COUNTER-FLO MODELS Model U-175----U-200 U-250 U-300 __ U-350 Output BTU/Hr* 200,000 250.000 300.000 350.000 Fan CFM Fan Motor Approx. Capacity Fan RPM Dimensions in inches L WH 2,000 2,300 3,000 3,700 4,400 X 520 38 H 560 38 H 440 42 H 543 42 !--------- 1!--------- L____ 500____ 1____ 4325 I 35 35 35 35 8335 78 78 78 78 I 18.0360 Shipping Weight 720 740 900 940 1,060 Dlr* Fi^ Unit H^^rd"ce wlth tho adopted in 1955 by ASHAE for Heavy Duty Furnaces and WRITE FOR 1958 CATALOG. 97