Document reeOVeb8VGnRqbzDKGBNRVKwV

Heating Systems Radiators, Convectors THE NATIONAL RADIATOR COMPANY <>MODERN DESIGN Johnstown HEATING EQUIPMENT Pennsylvania Branch Offices: Baltimore................................ 2622 Matthews Street Boston._..................... 167 Bridge Street, Cambridge Chicago...-..................... ......... _Daily News Building New York................................ .......60 East 42nd Street Philadelphia.................. .....401 North Broad Street Pittsburgh.................... .............. 404 Arrott Building Richmond,,.......................Richmond Trust Building Washington..................................600 "W" Street N.E. No. 1-2-3 SERIES C.I. BOILERS Latest boiler design in pre war equipment. Six flueways, extended heating surface on firebox crownsheet and surfaces of flueways. Baffles on both sides of each section preci pitate excess moisture from steam. Front flow tapping. Submerged tank or tankless hot water heaters. RATING (I-B-R): Hand, Stoker, Oil-fired Steam --170-2.300 sq. ft. Hot Water--270-3,680 sq. ft. ART RADIATORS The National "Art" radiator was the first of the compact, thin tube radiators to be introduced with a complete range of sizes. Fluted shoulders add to the appear ance, giving attrac tive lines. Can be furnished legless, with high legs or special harmonizing pedestals. OIL HEATING UNITS--Cast-Iron and Steel Design GAS HEATING UNITS--Compact; Efficient Heat Absorbtion AERO CONVECTORS The exclusive design of sloping sections exposes a greater amount of heating surface to the flow of air traveling through the convector. More heating surface can be ar ranged in less space with this design and additional sections are easily added. A variety of Con vector and Enclosure designs and coupled arrangements provide flex ibility for installation require ments. UNIT HEATERS Where a large volume of air is to be.heated in stores, garages and workshops, the NRC Unit Heaters will give efficient dif fusion of warmth to all areas. Available in horizontal or vertical shaft types of heaters. For steam^or hot water. t ENCLOSURES ACCESSORIES Floor plates, valves, traps, circulating water pumps, controls, .etc., are furnished for complete installations. 1894--SERVING THE HEATING INDUSTRY FIFTY YEARS--1944 1086 The National Radiator Company Heating Systems Boners, cast-iron, steel No. 40-42-48 SERIES--Super-Smokeless and Standard Twin sections facilitate assembly. Large amount of heating surface and adequate flueways. Super-Smokeless Boiler has air duct separated by ribs from section to which at tached, permitting air to circulate around it. Air is preheated, delivered in thin streams into gases to burn unconsumed fuel. Bridgewall Section is furnished in 11 or more sections. RATINGS (Bonded): Steam --2,200-11.200 sq. ft. Hot Water--3,625-18,400 sq. ft. PREMIER STEEL BOILERS Residential Series--Unjacketed The National Premier Steel Boilers are low pressure type. The Residential Series is also installed in commercial buildings. Electrunite tubes assure longer, trouble-free service. Truearch crown provides maximum firebox height, sludge will not accumulate over hottest part of boiler, better heat-absorbing surface. RATINGS (SHBl): Type DB Hand-bred --Steam -- 485-2,200 sq. ft. Hot Water-- 775-3.520 sq. ft. MB Stoker-fired)--Steam -- 735-2,680 sq. ft.OB ,, Oil-fired j --Hot Water--1.175-4.280 sq. ft. Commercial Series Hand-fired series illustrated. Shakers and bridgewall eliminated on OB and MB types, special front base frame (plate) supplied. Recessed smoke box for flush front. Three-pass design. Special in. or M in. opening grates as ordered. Indirect hot water heaters located below water line, front con nections for domestic hot water supply; also tank enclosed hot water heaters. Smokeless arch and detachable, watercooled bridge wall can be furnished (SB type). Rear and front smoke outlets. Tankless Hot Water Heaters. Tank Enclosed Hot Water Heaters. RATINGS (SHBI): Type DB-SB DF-SF MB OB MF OF Hand-fired --Steam --1,800-35,000 sq. ft. --Hot Water--2.880-56.000 sq. ft. Hand-fired --Steam --3,000-35,000 sq. ft. (Front Outlet) --Hot Water--4,500-56,000 sq. ft. Stoker-fired ) --Steam --2,190--42,500 sq. ft. Oil-fired ) --Hot Water--3,500-68.000 sq. ft. Stoker-fired --Steam --3,650--42,500 sq. ft. Oil-fired (Front) --Hot Water--5,840-68,000 sq. ft. CATALOGS WITH COMPLETE DATA AND DIMENSIONAL INFORMATION WILL GLADLY BE FURNISHED 1087