A computerized monitoring system shall be equipped with an automatic burner shutdown mechanism that will activate when:

1. A. Stack flue gas reaches high temperature; and

2. B. One of the following occurs, as applicable:

   1. (1) For a steam boiler:

      1. (a) Steam reaches high pressure; or
      2. (b) Water reaches Low or high level;
   2. (2) For a hot water boiler operating at 30 to 299 horsepower, water reaches high temperature; or

   3. (3) For a hot water boiler operating at 300 or more horsepower, water reaches:

      1. (a) High pressure;
      2. (b) High temperature; or
      3. (c) Low level.

Authority: Article 4, §4-1, Public Laws of Baltimore City

Effective date: December 27, 2010 (37:26 Md. R. 1786)