(A) The grade of fuel oil used with any burner shall be one which tests and experience show to be suitable for use with that burner. The oil shall have a flash point not less than 110°F when tested by the Pensky-Martins Closed Cup Testing Method and shall be free from acid, grit and fibrous or other foreign matter likely to clog or injure the burners or valves.
(B) The burner shall be designed to prevent excessive carbonization and shall be securely attached and supported.
(C) Gravity feed shall be used only with burners equipped with approved automatic devices to prevent abnormal discharge of oil in the burner.
(Ord. 19, passed 1-7-1955) Penalty, see § 156.999