Document nkwgnvgvJDdKX8bJL1Kyn3ab6

The National Radiator Copxpany Boilers, Radiators, Heating Systems un?HeSsBase,>oard' Residential Steel Boiler NATIONAL STEEL BOILERS meet all the requirements of the SBI Testing and Rating Code and the ASMS Boiler Construction Code. All are inspected and approved by a representative of a boiler insurance company. The 18 in. and 23 in. Series Residential Steel Boilers (for gas and oil) are designed for smaller- homes. The 26 in., 29 in., and 39 in. Series Residential Steel Boilers for Hand and Automatic Firing are designed for larger installations. The Commercial Series are adaptable to automatic or hand firing and are used for the largest installations. Commercial Steel Boiler RESIDENTIAL STEEL BOILERS COMMERCIAL STEEL BOILERS Boiler Scries 18* and 23* 26*. 29* and 39* SBI Net Ratings, Sq Ft Steam Water 275 to 700 495 to 1260 570 to 3000 910 to 5400 |Bj| Boiler Type Automatically SBI Net Ratings, Sq Ft Steam Water 3000 to 35000 4S00 to 56000 2500 to 29170 4000 to 46570 SbBvBB IP ft, S3, U Stria NATIONAL GAS BOILERS are modern, compact and designed exclusively for gas firing. Cast iron sections for long life and dependability. Tapered flues, long zigzag fire travel and heavy insulation insure outstanding efficiency and economy. GAS BOILERS Boiler Series 22 33 44 66 Net I=B=R Ratings, Sq Ft A.G.A. Approved Steam Water 110 to 390 355 to 880 445 to 1920 1770 to 12950 205 to 715 650 to 1725 810 to 3245 3005 to 20720 NATIONAL HEAT DISTRIBUTORS The National Radiator Company Boilers. Radiators, Heating Systems u^HMtersBa"1,0"d' THE NATIONAL PACKET A compact, all-in-one factory-assembled automatic oil or gas fired home heating unit for small installations. An integral tankless heater provides domestic hot water. Model U available with white flush jacket or enclosing cabinet. Model K has 36 in. high (kitchen counter height) attractive white enamel cabinet. The National Packet combined with Art Baseboard provides a modern, low-cost, easy-to.-install hot water heating system for homes, motels, diners and stores. National Packet, Model K {Enclosing Cabinet} NATIONAL ART BASEBOARD Type BF {Flush) Type BR (Recessed) Replaces customary wooden baseboard. Two types, BF (flush-to-wail) and BR (re cessed under plaster). Heating element consists of fins bonded to a copper tube. Designed for use with-forced circulation hot water systems. Approved I=*B=>R Ratings. NATIONAL UNIT HEATERS NATIONAL ART CONVECTOR--A non-ferrous convector, for flush and semior full-recessed installation. Aluminum fins bonded to copper tubing comprise the heating element. Enclosures are made in a variety of types for residential or commercial installations. NATIONAL AERO CONVECTOR-- Heating element is made of cast iron with fins cast integral with tubes. Adaptable to any type of beating sys tem. Numerous types are available 10 residential or commercial installation. NATIONAL ART RADUTORS--Com pact, slender tube cast iron construct! > . . . blend inconspicuously with decorative schemes. 1514 Horizontal and vertical delivery. Variety of sizes available for use with hot water aod steam. Gas-fired units can be furnished with either cast iron or steel heat exchangers. 1515