.07 Automatic Shutdown.

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

A. Stack flue gas reaches high temperature; and

B. One of the following occurs, as applicable:

(1) For a steam boiler:

(a) Steam reaches high pressure; or

(b) Water reaches Low or high level;

(2) For a hot water boiler operating at 30 to 299 horsepower, water reaches high temperature; or

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

(a) High pressure;

(b) High temperature; or

(c) Low level.