Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 104
o the water in the boiler, the velocity of flowdepending upon the difference in temperature l)etween the supplyand return, and the height of the radiators above the boiler. Hot Water Piping. The system of hot water piping consistsof a free circulation of water from the heater to the radiators… … Fig. 64. Cast-Irou Boiler. of the heater. Risers are taken off the tops of the mains and returnpipes connected to the return mains in a like manner. (Fig. 65.) Asthis system depends upon the force of gravity to keep up its circula-tion an expansion tank (Fig. G6) must be provided, high enoughabove…
Architecture · Building
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