Document zo1M5a285x1awy8Eap5k1rJxR

136 Air Conditioning National Heater Company, Inc. 2475 Doswell Avenue St. Paul 4, Minnesota NMllW Sales representatives in principal cities in U. S. and Canada *WaRM fAIR Mode! H--Standard upright (floor set) model. Model D--Without discharge heads for dact instails* ions. National "Universal" Heaters custom-designed or packaged burners SERIES ITD National `'Universal" heaters offer exclusive custom-designed or conventional packaged heaters... gas. oil or combination fuel burners. Heaters are available with discharge heads or for use with ducts. Heat and corrosion resistant metals are used throughout all units. There is a National Champion for every space heating applica tion. 6 models--96 sixes Gas, oil or gas and oil fired Stainless steel primary beat exchanger Guaranteed 80 percent operating efficiency Low initial cost--quick, easy installation Floor or ceiling suspended models Completely automatic--thermostatically operated Basic models UX. and/or A..GA. approved Factory flame-tested WRITE FOR 1960 CATALOG MODEL S--Vertical unit. Side blowers for bypass arrangement. MODEL R--Inverted unit for floor or ceiling sus- pension. MODEL P--Selfcontained portable unit. MODEL C--Horizontally suspended unit. Ideal when floor space is Iim- - ited. UL--A.G.A. approved Heater Number Btu* Output Standard} CFM ;<r Blowers DWD1 Fen Motor HP Sooply Fan RPM Plenum Opening Apptui. Shipping Weight TD-40 TD-50 TD-S5 TD-65 TD-75 TD-S0 TD-85 TD-100 TD-125 TD-150 TD-175 - TD-200 TD-250 TD-300 TD-350 TD-400 400,000 500,000 550,000 650,000 750,000 800,000 850,000 1,000,000 1,250,000 1,500,000 1,750,000 2,000,000 2,500,000 3,000,000 3,500,000 4,000,000 5,200 6,500 7,200 8,500 9,800 10,400 11,100 13,000 16,300 19,600 22,800 26,100 32,600 39,100 45,600 52,100 15'-Twin 15'-Twin 15'-Twin 15'-Triple 15'-Triple 15'-Triple 18'-Twin 18'-Twin 21'-Twin 2I'-Twin 21'-Triple 21'-Triple 24'-Triple 24'-Triple 24'-Triple 1 638 18 X 60 1400 n 652 18 x 60 1500 2 666 18 x 60 1550 2 666 18 x 80 1750 3 680 18x80 1900 3 694 18 x 80 1990 3 652 18 x80 2400 5 707 .18x80 2600 5 547 24 x 100 3200 71 659 24 x 100 3450 10 763 24 x 100 3750 10 682 30 x 120 4300 15 799 30 x 120 4600 15 559 30 x 160 6630 20 663 30 x 160 6720 25 744 30 x 160 6910 Tested and rated in accordance with the ASHRAE Standard No. 45-55, Code for Testing and Rating Heavy Duty Furnace* & Direct Fired Unit Heaters. t Higher CFM ratings available on application. Specification Data Subject to change without Notice. indswfai Hyin, . National Heater Co.. Inc. Direct-Fired Heater* * 137 U SERIES HI-BOY and COUNTER-FLO MODELS NATIONAL1 WARM f AIR SPACE HEATERS T-F SERIES SUSPENDED UNITS 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. COUNTER-FLO models for under floor heat distribution systems or inverted ceiling suspension. Five sites--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 heatingapplications where floor space is at a premium. Rugged, compact, easy to install--with four-way adjustable discharge head ot for convenient integration into a duct distribution system. Duct heaters available in identi cal Btu capacities. Special stainless steel and alumi nized steel can be furnished for high temperature ap plications and corrosive conditions. Nine sizes-- 180,000 to 550,000 Btu output capacities--gas or oil fired. T-F SERIES SUSPENDED UNITS Model Output (BTU/Hr)* . FCaanpCacFiMty Avail.SP Fan Motor HP Dimension in inrH-r L. w H Shipping Weight TF-18 TF-20 TF-23 TF-25 TP-30 TF-35 TF-40 TF-45 TF-55 180,000 200,000 230,000.-- 250,000 300,000 350,000 400,000 450,000550,000 2,050 2,300 2,800 3,000 3,700 4,500 5,200 . 5,800 6,400 H H H H H X H H X H 73 31 28 X 73 31 28 X 77 36 , 32 X 77 36 XH 77 36 92 48 42 1 92 48 IX 99 48 2 99 48 48 1850 * Tested and rated in accordance with the ASHRAE Standard No. 45-55, Code /or Testing Heavy Duly Furnace* and Direct Fired Unit Heater*.______ ____________ ' U SERIES--HI-BOY and COUNTER-FLO MODELS Model Output BTU/Hr* FanCPM Fan Motor HP DimeosMttt in LW Shipping Weight H U-175 U-200 U-25G U-300 U-350 - 175,000 200,000 250,000 300,000 350,000 2,000 2,300 3,000 3,700 4,400 U u 1 520 38 35 78 560 38 35 78 440 42 35 78 543 42 35 78 500 42 35 S3 1,060 * Tested and rated in accordance with the ASHRAE Standard No. 45-65, Code for. Testing Heavy Duty Furnace* and Direct Fired Unit Heater*. Specification Data Subject to change without Notice. WRITE FOR 1960 CATALOG