122 



The Rorists' Review 



September 8, 1921 



flow pipe on each side wall plate and 

 the other under the ridge, and, connect 

 each flow with a coil of return pipes, 

 using four pipes in the outside coils 

 and three in the one under the middle 

 bench. 



ADDING A NEW HOUSE. 



I have a house, 21x51 feet, which 

 runs east and west. There is glass in 

 one gable and three feet of glass and 

 three feet of concrete in the sides. The 

 steam enters at the west end near the 

 roof, through IVo-inch pipes. These run 

 to the opposite end of the house and 

 are there connected to the returns. The 

 pipe on the north side is connected to 

 three returns near the roof and there 

 are three returns of 1 14 -inch pipe under 

 the benches. The flow pipe on the south 

 side of the house is connected with 

 seven returns of 114-inch pipe, with four 

 under the bench and three near the 

 roof. 



I now desire to put a house south of 

 the present house and to connect to the 

 glass gable in the end. The sides of 

 the new house will have three feet of 

 glass and three of concrete. How many 

 returns will be required and what size 

 of flow pipe? The night temperature 

 must be around 55 degrees. The new 

 house will be seventeen feet wide. Will 

 the four returns on the south side of the 

 present house help to heat the north 

 side of the proposed house? I have a 

 quantity of 2-inch, 1%-inch and 1-inch 

 pipe. P. W. S.— Can. 



If properly arranged and if the boiler 

 is of ample size, there will be no diffi- 

 culty in securing a temperature of 63 to 

 65 degrees wheij it is 10 below zero out- 

 side with the piping described. By re- 

 moving the glass in the north wall of 

 the house some of the heat would be 

 available in the new house when it is 

 constructed. It should be possible to 

 heat this house to 55 degrees in zero 

 weather by using one IVu-inch overhead 

 main and eight l^i-inch returns, plac- 

 ing five of the returns on the outer 

 walls or placing four returns on the outer 

 wall, two under the middle bench and 

 two under the inside bench. 



THE PIPE ARRANGEMENT. 



My greenhouse is 18x80 feet and runs 

 oast and west. The west end is of glass, 

 as is one-half the oast end. The boiler 

 room will be at the northeast corner. 

 The boiler room floor will be twenty-six 

 inches below the grade line of the green- 

 house. There will be two side benches, 

 each three and one-half feet wide, and 

 one middle bench six feet wide. Will 

 you advise as to the amount of piping 

 necessary, size of the boiler required 

 and tho'size of the brick stack neces- 

 sarv? There arc no high buildings near. 



C. V. L.— La. 



For a temperature of 55 degrees it 

 would bo advisable to provide three IV-i- 

 inrli flow pipes and ton 2-inch returns. 

 This will require sometliing more than 

 600 square feet of nuliation, in addition 

 to the connecting mains, and if soft coal 

 is to be used, the boiler solocted should 

 have a rating for 1.000 to 1,200 square 

 feet of radiation. With a good grade 

 of hard coal, the rating need not be 

 more than 750 to 900 square feet. 



It would be advisable to use a brick 

 chimney measuring twelve inches square 

 inside. There is some variation in dif- 

 ferent boilers in the size of smoke pipe, 



Take the "Sting" 

 Out of Winter 



All florists are concerned about their heating systems as cold 

 weather approaches. They know that heat— steady abundant 

 heat, is absolutely essential to the proper nurture of growing 

 plants. Every precaution should be taken to keep your range 

 warm— always at the temperature best suited to your plants. 

 If you use the hot water system of heating you must keep 

 your mains free from all air. You can do this easily with a 



FISHER AIR TRAP 



(TYPE 30) 



It expels air — drives it out — gives your range the full measure of 

 heat it needs. Keeps the entire system circulating efficiently. 



Fisher Air Trap is positive acting — prevents all air pockets 

 and all hammering. Gives hot w^ater a clear track to the very 

 end of your runs. 



It is a simple trap— needs no adjustment. Construction is such 

 that valve and nozzle can be removed at any time without 

 disturbing pipe connections. 



Actual satisfactory operation in thousands of greenhouses has 

 made the Fisher Air Trap standard equipment. Let us show 

 you w^hy YOU should rely on it for better, cheaper heat. 



Write for Bulletin 1001 



THE FISHER GOVERNOR COMPANY 



525 Fisher Avenue 



MARSHALLTOWN, IOWA 



Agencies in all principal cities 



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>>«^'.a.-,»- X:£l:.XM-'K.i 



M Lets the Florist Sleep 



Lot us tell you whiit one 

 will CDst (li'livoivd ;it 

 youi' l!allri>iiil Stiitioii. 



WRITE NOW 



You don't have to sit up and watch a 



GIBLIN GREENHOUSE BOILER 



GIBLIN & CO. UTICA, N.Y. 



Union Grate 



A Rocking Grate that Saves Coal 



Write for catalogue and prices 



MARTIN GRATE CO., ""'^cRt^'^^^'- 



but it is generally eight, nine or ten 

 inches for boilers rated for 1000 square 

 feet of radiation. 



PIPE AND FLUES second^-lfand 

 pipe, with new threads and couplings, in 

 random lengths or cut lengths. Also make a 

 specialty of handling boiler flues for retub- 

 ing boilers or for greenhouse piping. All 

 flues are trimmed and thoroughly cleaned by 

 machine. JQHN GROH 

 1885 Clyboarn Ave. CHICAGO. ILL. 



In arranging the piping the main re- 

 turns should be of the same capacity 

 as the flow pipes. It will make little 



