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BAjoisiluears/j,, C^aassil--ihron UnitedStates Radiator Corporation General Oiiices: Detroit, Michigan Branches and Sales OUices in Principal Cities Detroit, Michigan Front Extended Jacket Performance Curve 1 fHP 2* -- ' o nci NO US iso Output--% of Direct Standing Radiator Load Flue Gas Analysis CO2--12.5%; O2--4.1%; C0-0.0%. CAPITOL THINTUBE RADIATORS 3-Tube Height* Per Section Heating Surface 19* 1.1 Sq Ft 22' 1.3 Sq Ft 25' 1.5 Sq Ft CAPITOL FINCAST ENCLOSURES AND CONVECTORS Made entirely of cast iron. Without joints--Cast in one piece. Many lengths and widths. Tappings, top, bottom and ends. Complete choice of enclosures. Finished to harmonize with modern interiors. CAPITOLAIRE DIRECT FIRED 4-Tube 19* 1.4SqFt 22' 1.6SqFt 25' 1.8Sq Ft 5-Tube 20' l.8SqFt 23' 2.1 SqFt 26* 2.4 Sq Ft 6-Tube 19" 1 2.2 Sq Ft . 32" 1 3.85 Sq Ft 40 per cent less space needed for these graceful, efficient Capitol ThinTube Radiators. CONDITIONING UNIT An air conditioning unit especially de signed for oil firing. Streamline flue con struction in preheating and prime-heating sections insures high efficiencies. Deluxe jacket completely encloses all controls, heating unit, automatic humidifier, filter and fan. Other gravity and forced air furnaces available for gas, stoker or hand coal firing. 948 Boilers, Casl-Iron United States Radiator Corporation General Offices: Detroit. Michigan Branches and Sales Oiiices in Principal Cities Detroit, Michigan CAPITOL RED CAP BOILERS For All Fuels CAPITOL SQUARE BOILERS FOR ALL FUELS "A" Series Ratingi in Sq Ft Direct Cast Iron Radiator Loads--Sq Ft Steam-- 575-1450 Water- 975-2475 280- 655 460-1085 "B" Series Steam-1200-3600 Water--1980-5940 550-2030 910-3350 "C" Series Steam--4700-10,500 I Water--7760-17,325 | 1865-5805 3080-9580 Direct Cast Iron Boiler No. Radiator Loads Sq Ft Steam Water 19-4 300 19-5 350 495 580 20-4 20-5 400 450 660 745 22-4 22-5 500 550 825 910 25-4 25-5 625 675 1030 1115 Capitol Red Cap Boiler design brings the advantages oi (1) long fire trayeli (2)-flue passages that force the hot Raises to circulate through every sectsbti, "ex tracting the maximum heat from the fuel consumed. (3) Deep firepot that provides the extra space needed for better? com bustion, and smooth, tapered . ^firepot walls to assure a clean surface for better heat absorption. CAPITOLAIRE CONDITIONING UNIT FOR SPLIT SYSTEMS Illustrated above is a Capitol Red Top Series "C" Boiler. These sectional, cast iron, all fuel boilers can be furnished either jacketed or unjacketed. Sections are con nected with precision-made slip nipples in accurately machined ports and the in dividual sections are ground to permit an iron-to-iron gas-tight assembly. The large, smooth flueways are designed with out sharp turns reducing friction, per mitting unrestricted gas travel. For easy cleaning, all flueways are fully accessible through the large front clean-out doors.*. Controlled internal water circulation and large nipple ports insure complete sepa ration of water and steam. Capitol Red Top Boilers are heavily insulated against heat loss by a thick blanket of rock wool, reinforced with wire mesh to prevent slip ping or sagging. Capitol Red Top Boilers can be furnished with extra high steel bases to provide extra setting height or desired additional furnace volume for stoker firing. These bases eliminate the necessity for pitting or building a brick or concrete base. A suspended unit, quiet in operation, using ducts to convey heated, humidified and filtered air to various rooms of the home. Heating supplied to the Unit heat exchange coil by a steam or hot water boiler. Floor model conditioning units with a wide range of heating capacities also available. SPECIFICATIONS Capacity--BTU/HR Unit No. Heating* 200 21 H. W. Steam Cooling** 50 40 Water Refrig. Air Capacity cfm S-1 34,000 28,000 14.000 15.000 S-2 48,000 39,000 19.000 21.000 S-3 65,000 54,000 26.000 28.000 S-4 99,000 128.000 37.000 39.000 500 750 1000 1500 949 S'