114 



The Florists' Review 



.Tanuaky 30, 1913. 



CAREFULLY 



BOILER FLUES 



S ELECTED 



^ 



We make a specialty of handling carefully selected Boiler Flues, 4-inch 

 diameter and other sizes for greenhouse heating, Gutter Posts, etc. Also 

 we make a specialty of flues for retubing boilers. You can save from 40 

 to 60 per cent by buying of us. These flues are thoroughly cleaned and 

 trimmed, ready for use. General sales agents for Stuttle's Patent Clamp 

 for joining flues— no packing, no leaks. Right prices and prompt shipment. 



H. MUNSON, 



1405 Wdls Street, CHICAGO 



Stattlr 4<tn. Pktent Clamp 



Talaphon* North 872 



Stnttle 4-iii. Patent Elbow 



Mention The Review when yon write. 



adjoining building, the top of the boiler 

 being just above the surface of the 

 ground. On the south side of the house 

 is a hotbed 6x50 feet. A rose tempera- 

 ture must be maintained, in the climate 

 of northern New York. E. V. 



To maintain a temperature of 60 de- 

 grees in the greenhouse described above, 

 when it is 30 degrees below zero out- 

 side, will require about 600 square feet 

 of radiation. Eun four 2% -inch flow 

 pipes downhill through the house, plac- 

 ing one on each plate, and one on each 

 purlin post eighteen inches below t^e 

 glass. Sixteen 2-inch return pipes will 

 be required. These can be arranged in 

 four coils under the benches, placing 

 one coil under each side bench and two 

 under the middle bench. 



For the hotbed use two 2-inch pipes 

 for 50 degrees, and three if 60 degrees 

 is desired. Place one on the wall next 

 to the greenhouse and one or two on 

 the outer wall. Connect these returns 

 with the coil on the south plate of the 

 greenhouse. 



THBEE NEW JEBSEY HOUSES. 



I am about to purchase a thirty-five 

 horse-power, brick-set, horizontal boiler, 

 4x12 feet, containing thirty tubes. I 

 should like to know whether it can be 

 used successfully to heat my green- 

 houses with hot water. I have three 

 houses, which are parallel but sepa- 

 rated by passageways. Two of the 

 houses arc each 16x100. The other 

 house, which is on the outside, is 25x 

 100. A shed, sixty-seven feet long, ex- 

 tends across the ends of the houses. 

 The boiler is in one end of this shed, 

 near the 25-foot house. The boiler has 

 a 4-inch opening on top. What I want 

 to know is, whether I can heat pipes 

 of that length satisfactorily, as I have 

 been told that 100 feet is about the 

 limit for hot water heat. The distance 

 from the boiler to the farthest house 

 would be at least fifty-five or sixty 

 feet, and added to that would be the 

 length of the house, 100 feet. 



W. J. H. 



The temperatures at which the houses 

 are to be kept are not stated, but the 

 boiler can be made to keep the houses 

 as warm as can possibly be desired, 

 provided everything else is properly in- 

 stalled. There would be no difficulty 

 about heating with hot water, even if 

 the houses were several hundred feet 

 long. To get the best results there 

 should be a 3-inch flange on the boiler. 



There Is a Splendid Chapter on 



Greenhouse Heating 



in The Florists' Manual 



By WILLIAfll SCOTT 



A complete reference book for commercial florists. 253 large pages, 

 fully illustrated. Treats on over 200 subjects concerning greenhouse Duild- 

 ing, heating, management, and plant culture. It tells you just what yon 

 want to know, in just the way you want to be told. 



Second Edition, Price $6.00, Prepaid hy Express o> IfialL 



FLORISTS' PUBLISHING CO. 



508 S. Dearborn St. CHICAGO 



IMPROVED RETURN TUBULAR 

 PIRBBOX BOILBR 



Johnston Heatlns: Co. 



ISl B. 26th St., New York QXtj 



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M. WIN ANDY CO. 



Write for information on greenhouse 

 construction and our patented and 

 improved bench heating system. 



6236 N. Liicoln St, Cluca{o,E 



Mention The Rerlew when 70a write. 



A Steady 

 Pressure 



will always 

 be main- 

 tained in 

 Tonr steam pipes, no matter 

 now the pressure at the boiler 

 flactuatea, if you equip your 

 main lines with these valves. 

 Garry 40 or 60 pounds pressure 

 on the boUer, set the 



Hiighson 

 Regulating Valve 



to carry 5 or 10 pounds on the 

 line and you will always have a 

 reserve in case of a eudden drop 

 in temperature. This valve 

 saves both fuel and worry. Auk 

 for catalogue and particdan. 



Higksin Steam Spedilty Ci. 

 8021-SS.SuteSt. Ckkagi 



Always mention the Flortsts' Review 

 when writing: advertisers. 



