Marquis MQRB4436N Installation Instructions Manual page 59

Remove Valve Access Cover in order to access igniter and valve controls. To remove Valve Access Cover, simply insert
fingers into holes in Access Panel and lift out. When replacing Access Panel, engage Tabs into Slots in Bracket.
The Lower Face Panel on the valve side of the unit is shipped attached with only 3 screws for easy removal. This allows all
necessary gas line and electrical connections to be made easily.
Once the installation is complete attach the Lower Face Panel with the supplied screws.
The Lower Face Panel must be on the unit Facing Materials are applied.
Once Facing Materials are applied, removal of the Lower Face Panel will not be possible.
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