82 



The Florists' Review 



DncBMBBB 28, 1916. 



each about forty-two feet in length, and 

 each of these sections is fed by a 2-inch 

 pipe taken off from the main flow pipe. 

 The middle coil of eight pipes appears 

 to run the entire length of the house, 

 and the connecting flow and return pipes 

 are 2-inch, as are also the returns which 

 connect the two coils upon each wall 

 with the boiler. A 2-inch pipe will an- 

 swer for the flow or the return of a coil 

 of eight pipes forty-five feet long, but 

 when the coils are ninety feet long, and 

 in fact whenever they contain over 200 

 square feet of radiation, the connecting 

 flow and return pipes should be 2i^-inch, 

 unless the coils are fifteen feet or more 

 above the boiler. 



Instead of using 1%-inch pipes for 

 the coils, we would prefer to run a coil 

 of six 2-inch pipes on each wall and a 

 similar coil under the middle bench, 

 supplying each coil by means of a 21/2- 

 inch flow pipe. One flow should be upon 

 each plate and the other three feet below 

 the ridge. 



If there are two 3-inch main flows in 

 the house 32x90, we would think the 

 only change needed so far as the piping 

 is concerned is to use 2y2-inch connect- 

 ing flows and returns wherever there 

 are over 200 square feet of radiation in 

 the coils. 



We are not familiar with the ratings 

 of the Williamson boilers, but if it is 

 not possible to heat the water in the 

 boner above 160 degrees, and if this 

 temperature drops quickly when the 

 drafts are closed, it would seem that 

 the boiler is too small for the radiation. 

 Whenever there is a poor circulation in 

 the coils, the water in the heater will 

 boil and often partly empty the system. 



If we have the correct idea of the ar- 

 rangement of the coils, the amount of 

 radiation is ample for 60 degrees, and, 

 while larger connecting pipes for the 

 flows and returns would be desirable, 

 we are of the opinion that the main 

 trouble is in the boiler, and from the 

 statements made it appears to be too 

 small to heat the two houses. While 

 a good deal depends upon the area and 

 arrangement of the fire surface, we 

 would consider that to handle 1,800 

 square feet of radiation the boiler 

 should have a grate thirty inches in 

 diameter. 



COAL-TAR PAINT ON PIPING. 



1 am applying to you for help in trou- 

 ble. I bought some paint for the hot 

 water pipes in my greenhouse. In buy- 

 ing it I stated plainly the purpose for 

 which I wanted it. I used a part of it, 

 but when I fired up I found that it con- 

 tained creosote. The fumes from the 

 paint ruined almost everything in the 

 house. The lettuce was 'killed and all 

 the leaves fell from the begonias. I 

 opened all the ventilators and fired the 

 boiler till It was as hot as possible. I 

 also scraped and sandpapered the pipes, 

 but still, when I fire heavily, the odor is 

 strong. The paint almost put me out of 

 business. Is there any remedy? Could 

 I paint the pipes with something that 

 would counteract the effect of the creo- 

 sote, or must I just keepNpn firing? 



r. E.— Ind. 



ith "creo- 

 ing pipes, \but from 



I have had no experience 

 sote" upon heati 



what I have seen of the use' df coal tar 

 in various forms I know that When ap- 

 plied to the pipes or to wall lor bench 

 lumber, it will practically prevent the 

 growing of plants in a gnsenholise. 



Rock Garden Oreenhouses, August von Boeselasrer, Proprietor, Mt. Clemens. Mich. 



"All four are 

 working fine" 



Mr. von Boeselager has had a lot of exper- 

 ience with the "Detroit" Systems. He writes 

 as follows: 



"At the present time I have four of your traps ia 

 use. For a while I had some trouble with two of 

 the trat)6, but since you sent your man around, who 

 advised me to change the piping to and from the 

 traps, as they were not put in right, I have had no 

 trouble. All four are working fine now. I like 

 the way you came up to adjust my trouble and I 

 wish to thank you." 



Very likely a "Detroit" System would solve your condensation diflBculties. 

 It's worth while investigating. Let us send you "Watch Your Condensa- 

 tion" -Book No. 54. 



American Blower Company 



DETROIT, MICHIGAN 



BRANCHES EVERYWHERE 



HIGHEST PRICED and CHEAPEST 



BOHJCRSMADB 



GiBLiN Greenhouse Boilers 



GIBUN at CO. 



109 Broad St.. Utica, N. Y. 



LET US TBLL YOU 

 ABOUT THEM 



T E E L 



RKTURM 

 TDBULAB 



BOILERS 



Johnston Hoating Co. 



tSl K. 2Mh S«rMt NBW YORK 



Always mention the Florists* Review wb«o 

 writing advertisen. ^ 



Use Rippley's 



No. 200 Hot Water Heater 



In Kreenhousea, Karages, hog and 

 poultry houseg, emaU buUdlngra. 

 Price, $42.60. frelRht paid. 

 Louis J. L. Amoureaax, Norton, 

 MaM., 8878: "Tour No. 200 Heater 

 cared for oar greenhouse, 7Bxl4x9 

 ft., last winter at 23 below Eero,* 



Mall orders direct. Write for clr- 

 enlars of heaters and steamers. 



RIPPLEY MFG. & STEEL BOAT CO. 



Box F, anifton, lllinoia 



-^ 



