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March 2, 1911. 



The Weekly Florists' Review. 



91 



€LYou don't need to burn out your fire 



trying to get heat quickly into the greenhouse farthest from your boiler. A 



Castle Automatic Circulator 



will force the hot water throughout the 

 system and do it without putting on a 

 pressure that is liable to cause leakage. 

 It does it by mechanically setting the 

 water in motion and keeping it moving 

 until the desired heat is just where you 

 want it. 



The Castle Circulator has entirely cured 

 the faults of hot- water systems which 

 could not be satisfactorily operated be- 

 fore it was put in. We would like to 

 show you the results of tests. 



Our new booklet tells how the circula- 

 tor works. 



Write at once to the 



American Auxiliary Heating Company, *^IS"s°t"o^!mas8. 



no-t 



Mention The Kevlew wben you write 



to leak, but the worst of all was the 

 overflowing of the tank, siphoning the 

 water out. 



Then we were advised that the sys- 

 tem was all wrong and were supplied 

 with a pencil sketch showing how the 

 work ought to be done. We enclose the 

 sketch. In changing, we left out the 

 longest pipes, thus having only three 

 pipes under some of the benches, in- 

 stead of four. Our expansion pipe still 

 bothers us nearly as badly as before, 

 but, with experience, we have more con- 

 trol of it by lessening the fire. Of 

 course we heat it so the water would 

 boil if it had space. During our cold- 

 est spells, 8 degrees above zero, we 

 could hardly keep the temperature 

 above 40 degrees in the far corners. 

 We may have much colder weather, of 

 course, and we do not know how we can 

 keep from freezing. Our being two and 

 one-half feet below the ground level 

 helps us. It is a tight house and well 

 protected on all sides, except the south- 

 east. 



If the expansion is the safety valve 

 of the hot water, should it not be 

 moved a short distance farther away, 

 which would place it at practically the 

 farthest point on the system? Of course 

 we can put it where back action can not 

 touch it, if that is all that is necessary 

 to remedy the trouble. The capacity of 

 the heater is for a much larger house 

 and we ought to be able to keep this 

 baby plant hot if we wished, instead of 

 holding it at 50 to 60 degrees, which 

 we cannot do now. 



We have one air valve at the highest 

 part of the outflow, and though all 

 pipes are carefully tested with a level 



GREENHOUSE HEATING 



!■ a perplexing qnestion to all florists EXCEPT those nslng 



MOREHEAD STEAM TRAPS 



n The installation of a Morehead Return Steam Trap in a 

 Greenhouse is absolute evidence of progressivenesa on the 

 part of the florist. 



It is further evidence of good management, for the "More- 

 head " is an investment in both satisfaction and economy. 

 n The majority of florists are using Morehead Traps. If you 



^ are one of the exceptions, it will be to your , 



interest to write us — we will make you a 

 liberal trial offer proposition. 



£t Byway of srettlneacqualntedjustsend your 

 ^ name and address and ask for "Trap Book." 



Morehead Mfg. Co. 



Dept. M 



DETROIT, MICH. 



Mention The Hcvlew when v ju write. 



we often find air in it. The heater 

 now leaks badly and we fill the tank 

 twice a day, eight to fourteen gallons 

 at a time. J, F. T. 



The sketch shows one 2-inch over- 

 head flow pipe and nine li/^-inch re- 

 turns, distributed in three coils under 

 the benches. This should make it possi- 

 ble to maintain a temperature of 45 

 degrees in zero weather, provided the 

 piping is properly arranged. One im- 

 portant point, the relative height of the 

 heater and return pipes, is not clear. 

 The heater is evidently several times 

 as large as is necessary, and, with the 

 piping arranged as described, it is not 

 strange that the boiler is leaking or 

 that it boils over. 



WRITE FOR 



Chicago Pump Co.'s 



Bulletin on Rapid Circulation 

 in Heating: Systems, 'wbich 

 saves 20% to 50% coal. 



1059 Fulton 'Street, 



CHICAGO, ni. 



Mention Thp Review when yon write. 



While at best careful firing will be 

 required to avoid the boiling over, the 

 strain on the boiler and the trouble 

 from air collecting in the flow pipe can 

 be easily done away with and this will 

 go far to correct the trouble with the 

 heating plant. 



It is stated that the flow pipe rises 

 three feet between the boiler shed and 



