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Heating Systems Pump, Buffalo Pumps, Inc. 450 Broadway, Buffalo, N.Y. Branch Offices Albany, N. Y., 1303 Standard Bldg., R. B. Taylor Atlanta, Ga., 305 Tecbwood Drive, J. J. O'Shea Baltimore, Md., 508 St Paul St, E. E. Thompson Boston, Mass., 507 Mur St, Melroee Station, E. D. Johnson Chicago, III., 20 N. Wacker Drive, L. D. Emmert Cincinnati, Ohio, BuildingIndustries Bldg., F. W. Twombly Cleveland, Ohio, 418 Rockefeller Bldg., T. A. Weager Dallas, Texas, 1801 Tower Petroleum Bldg., _ T. H. Anspacher Davenport Iowa, 305 Security Bldg., D. C. Murphy Co.,'Inc. Denver, Colo., 1718 California St.. Stearns Roger Mfg. Co. Des Moines, Iowa, 214 Old Colony Bldg., ^ D. C. Murphy Co., Inc. Detroit, Mich., 2051 W. Lafayette Blvd., Coon-De Visser Co., T. E. Coon Greenville. S. C,, 21 Blue Bldg. Los Angeles, Calif., 708 Pershing Sq. Bldg., P. R. Adrianse Minneapolis, Minn., 2102 Foshay Tower, E. F. Bell New Orleans, La., Devlin Bros., 1003 Maritime Bldg. New York, N. Y., 39 Cortlandt St., W. S. Koithan Omaha, Nebr.. 660 N. 8th St., Russell Harris Philadelphia, Pa., 702 Cunard Bldg., Davidson & Richmond, Va., Williamson & Wtlmer, Inc.__Mutual Bldg. Seattle, Wash., 500 First Ave., So., A. T. Forsyth Sr. Louis, Mo., 1598 Arcade Bldg., J. W. Cooper Toledo, Ohio, 1922 Linwood Ave., C. M. Eyster Washington, D. C. 512 Woodward Bldg., G. S. Frank Complete line manufactured in Canada bt Canada Pumps, Ltd., Kitchener, Ont. PRODUCTS--A complete line of Single and. Multi-stage Centrifugal Pumps and Special Pumps for use in all types of heating and air conditioning installations. Buffalo Self-Priming Single and Double Suction Centrifugal Pumps Buffalo Double Suction Single Stage Centrifugal Pumps Now available with positive self-priming device built with the pump. This primer is built under license from the Nash Engi neering Company and is fully covered by patent. Buffalo Self-Priming Pumps offer these advantages: (1) All working parts are above the liquid to be pumped. (2) There is complete access to all parts of instal lation. (3) Rotors are balanced--vibra tionless. (4) Buffalo Self-Priming Pumps are very quiet--no long shafts to vibrate and fewer bearings. (5) Constant positive prime obtained without foot valves. For general service where clear water is handled you will get top performance with these pumps. They embody all of the accepted modern features of centrifugal pump design. Capacities range from 10 to 50 thousand U.S. gallons per minute. Buffalo Single Suction Closed-Coupled Pumps Buffalo Automatic Sump Pumps Buffalo Sump Pumps are selfcontained and have unusually high efficiencies thus permitting the use of small, motors. Ball bearing thrust and enclosed shaft especially adapt these pumps for their service. This pump is close-coupled to electric motor, eliminating the necessity for bear ings. The impeller is overhung on the motor shaft, providing a compact, easily-, serviced unit. Permanent alignment-is assured and the pump mounted in this manner requires very little space. Buffalo Close-Coupled Pumps - are suitable for handling hot water with low submergence on suction, or for operating with suction lift as high as 25 ft. These pumps are also available in special alloys. 1072 Heating Systems p^mps Chicago Pump Company 2330 Wolfram Street BRUnswick 4110 Chicago PRODUCTS--Return Line Vacuum Heating and Boiler Feed Pumps, Con densation, House, Booster, Fire Pumps, Circulating, Brine, Sewage, Bilge, Sludge, Pneumatic and Tankless Water Supply Systems and Automatic Alternator for Duplex Sets of Pumps. "CONDO-VAC" Return Line Vacuum and Boiler Feed Pump for Heating Systems "Sure-Return" Condensation Pump for Low and Medium Pressure, and Systems up to 75,000 Sq Ft Radiation Fig. SI0S--Duplex "Condo-Vacs" with Duplex Double Automatic Control No vacuum on stuffing boxes, ample clear ance in rotating member. It costs less to operate a "Condo-Vac." "Condo-Vac" reduces corrosion in piping and boiler to minimum--because pump does not take in air from atmosphere and entirely elimi nates all air coming back from system. "Condo-Vac" is quiet, has a low inlet, entirely automatic, fool-proof, easy to maintain. Ask for bulletin 270. Fig. 1946 "Sure Return" Condensation Pumps and Receivers are built for systems up to 75,000 sq ft of direct radiation and for low and medium pressures. Built in either single or duplex units. Duplex units are alternated in their operation by the Auto matic Alternator. Complete data in Bulle tin 250. Vertical Condensation Pumps for Low and Medium Pressure for Systems from 500 to 100,000 Sq Ft Radiation Close-Coupled Pumps Boiler Feed, Circulating, Tank Filling, Water Supply Fig.JilSO---Close-Coupled, side suction pump. Capac ities rarige from S to 600 CPm against heads up to 189 ft. Motors from 1/6 to SO Hp. Discharge 1 to 8 in. Closed and open type impellers. Bulletin 108. Fig. 1940 Vertical Condensation Pump The vertical condensation pump is designed to re- , ceive returns from lowest radiation. The receiver is placed underground--an ordinary hole sufficing if necessary -- and requires very little floor space. Unit is shipped complete, easy to install, assembled so as to prevent steam leaks. Special bearings will stand up under hot water for several years. A special float mechanism' is guaranteed not to leak or stick in stuffing box. Complete data and descrip tion in Bulletins 245, 253 and 255.. 1073 S-