. Hot water supply and kitchen boiler connections : a text book on the installation of hot water service in residences and other buildings and methods of connecting range boilers, steam and gas water heaters. g and with tank Tig. 84. Gas Heater of the heavily insulated it will usually re-Kitchen Boiler Type. - r. -» r / ^i. si quire about 1^ cu. it. oi gas to raiseone gallon of water 63 deg. F. with gas of 650 quality. Constructive Features of Gas Water Heaters. It is now pretty generally conceded that the copper-coiltype of gas water heaters is preferable to all others. The veryliigh h
. Hot water supply and kitchen boiler connections : a text book on the installation of hot water service in residences and other buildings and methods of connecting range boilers, steam and gas water heaters. g and with tank Tig. 84. Gas Heater of the heavily insulated it will usually re-Kitchen Boiler Type. - r. -» r / ^i. si quire about 1^ cu. it. oi gas to raiseone gallon of water 63 deg. F. with gas of 650 quality. Constructive Features of Gas Water Heaters. It is now pretty generally conceded that the copper-coiltype of gas water heaters is preferable to all others. The veryliigh heat conductivity of copper, combined with its high me-chanical strength, makes it an ideal material for a water-heatingreceptacle. Being practically free from all tendency to corro-sion, the water is never contaminated, the heating surfaces areeasily cleaned, and viewed from all standpoints heaters of thisconstruction far excel in durability and efficiency. Eemovable and accessible burners of high heating power aredesirable. They must be of simple construction and easy to>clean and repair. Interchangeable mixer nozzles are automatic heaters having thermostatic control, burners having. HEATING WATER BY GAS. IK
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