Sec.29-232-106. Water gage glass and gage cocks  


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  • Each steam boiler shall have at least one water gage glass with the lowest visible part above the heating surfaces in the primary combustion chamber. When, in the judgment of an inspector, the heating surfaces above the low water line may be injured by contact with gases of high temperature, the water gage shall be raised until the lowest visible part of the gage glass is above such heating surface. Each steam boiler shall have two or more gage cocks located within the visible length of the water gage glass, except when such boiler is provided with two water gage glasses.

(Effective August 25, 1987)