 | P. E. Fansler - 1927 - 378 halaman
...control valve, or a gas pilot light shall be provided in the combustion chamber. 16. Furnaces or Ranges. (a) Previous to the installation of the burner, the...prevent the accumulation of vapors within the ash pit unless burner is of type which mechanically purges ash pit. When ash door is closed it is recommended... | |
 | American Oil Burner Association - 1928 - 396 halaman
...and combustion may result from lack of free air openings into boiler room. 16. Furnaces or Ranges. .(a) Previous to the installation of the burner, the...prevent the accumulation of vapors within the ash pit unless burner is of type which mechanically purges ash pit. When ash door is closed it is recommended... | |
 | District of Columbia. Board of Commissioners - 1929 - 240 halaman
...combustion chamber. (d) Previous to the installation of the burner the ash door of the furnace or range shall be permanently removed, or bottom ventilation...prevent the accumulation of vapors within the ash pit. (e) Stoves or ranges originally designed for use of fuel other than oil shall not be used in connection... | |
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Where oil burners are installed in appliances originally designed for solid fuel, the ash door of the appliance shall be removed or bottom ventilation otherwise provided to prevent the accumulation of vapors in the ash pit, unless the ash pit is used... 