Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 106
made at the top or bottom, the return pipe beingalways at the bottom. Only one valve is necessary to stop the flowof water through the radiator and this is put on the supply pipe, thereturn connection being made by a union elbow. The ordinary pet cock is generally used for an air valve, butthere… … OV£FlFLOV\M cxiN/verc TiOi^SYsre/^ Fig. 66. Expansion Tank. Hot Water Heaters. The lieater differs from a steam boilermainly in tlie omission of the space allowed for steam, the hot water heater being filled with water invcNT p/pE circulation instead of steam, so that it is essential that the…
Architecture · Building
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