Quick Start Guide
©2017 Hestan Commercial Corporation
4
EN
CHANGING ORIFICES 
(continued)
5.  Before removing the main burner orifices, take a visual note as to how far the orifice is installed onto 
the valve body. The orifices are removed with a 1/2” deep socket wrench. Use even pressure to 
break loose the old orifice and remove from the valve.








