Section 27-831. Controls

With each automatic burner a set of safety controls
  of  the  electric,  pneumatic,  hydraulic,  or  mechanical type shall be
  installed and maintained in good working order. The proper controls  for
  each  burner  shall  be  those  that  have  been  tested and accepted in
  accordance with the requirements of article five of this subchapter. The
  controls shall provide the following functions:
    (a) Oil temperature control (no. 5 and no. 6 oil).
    (b) Ignition.
    (c) Stack or combustion control.
    (d) High temperature or pressure control.