138 



The Florists^ Review 



NOVEMBEIl 24, 1921 



from the lower range of houses by 

 means of an electric pump. • 



A second-hand pump can sometimes 

 be found advertised in the For Sale 

 pages of The Review. A local firm or 

 one of the heating equipment companies 

 may also be able to furnish one. 



HEATING TWO HOUSES. 



We are constructing a new rose house, 

 running east and west and connecting 

 with our present range, which runs 

 north and south. The new house will be 

 33x95 feet, with 7-foot gutters. We will 

 use a 70-horsepower steam boiler, with 

 a steam trap on the returns. The boiler 

 is located at the north end of the present 

 range, about fifty feet from the near 

 end of the new house. A temperature 

 of 60 degrees in zero weather is re- 

 ((uired. Is it possible to carry the steam 

 to the new house in a 3-inch pipe, rang- 

 ing from this with a 2-inch pipe eacli 

 way which will connect with coils under 

 each bench and a coil on each wall? 

 The coils will be made of li4-inch pipe. 

 How many runs of pipe of this size will 

 be required? W. F. & S. C— Kan. 



A 3-inch steam main will supply the 

 house described above, and it may be 

 carried underground for the distance 

 mentioned if insulated with asbestos 

 wrapping. It should be carried in an 

 8-inch sewer pipe, and the drip may be 

 returned in a 2-inch pipe, insulated and 

 in a 6-inch sewer pipe. Care should be 

 taken that no water enters the tile. 



After the pipe enters the house, it 

 would be advisable to run three 2-inch 

 flow pipes to the farther end of the 

 house, or, if preferred, two 2% -inch may 

 be used. These should be connected 

 with the return coils, which should al- 

 together contain sixteen li4-inch pipes. 

 Without knowing the number and width 

 of the benches and the amount of glass 

 in the side walls (in the above compu- 

 tation the estimation is made at four 

 feet in each wall), it is impossible to 

 make definite suggestions regarding the 

 arrangement of the return coils. Ordi- 

 narily two or three pipes ought to be 

 used under each bench and about twice 

 as many on each side wall. Thus, you 

 might have two pipes under oiu-h of 

 four inside benches and four under the 

 side benches. 



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to freedom from boiler setting troubles is by way of 



FURNACE LINING 



How do we know? 



Because hundreds of Plibrico users tell of the sat- 

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D-48 on "Modern Furnace Building" tells about 

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PUBRICO b lie- 

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BENJAMIN H. SHOEMAKER 



DISTRIBUTOR OF 



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In all sizes, uniform in thickness, prompt shipments. 



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