heat--glo-lifestyle mtl-insert User Manual

Heat & Glo  •  MTL-Insert  •  2145-900 Rev. F  •  9/08

10

Fire Risk.

A hearth or hearth extension (if present) must 
comply with either of the following:

•  The solid fuel burning fi replace manufacturer’s 

specifi cation.

•  Local building codes required by authority 

having jurisdiction.

• NFPA 

211

Prepare the existing solid fuel masonry or factory built 
non-combustible fi rebox for installation.

Fully lock the solid fuel fi replace’s fl ue damper in the open 
position, OR completely remove it.

•  Ensure chimney is constructed of non-combustible 

materials.

•  Ensure chimney is clean and in good working order.

•  Ensure that all chimney cleanouts fi t properly to prevent 

air leakage into chimney.

Permanently attach the label with the following warning 
to the inside lower back of the fi replace fi rebox into which 
the insert is being installed. Silicone may be required to 
properly secure the label.

Fire Risk.

This fi replace has been converted for use with 
a gas fi replace insert only and cannot be used 
for burning wood or solid fuels unless all original 
parts have been replaced, and the fi replace re-
approved by the authority having jurisdiction.

The receiver for the remotes must be installed BETWEEN 
the base pan of the insert and the fi rebox of the wood-
burning fi replace (see photo below).

Note: If the factory built fi replace has no gas access hole 
provided, an access hole of 1 inch (25 mm) diameter or 
less may be drilled through the lower sides or bottom of the 
fi rebox in a proper workmanship - like manner. This access 
hole must be plugged with non-combustible insulation after 
the gas supply line has been installed.

•  Install gas line into fi rebox cavity.

•  Check local codes and gas line sizing requirements 

following NFPA54. See Section 8.

Prior to installing the gas insert:

•  Have the chimney and adjacent structure inspected 

and cleaned by qualifi ed professionals. Hearth & Home 
Technologies recommends that NFI or CSIA certifi ed 
professionals, or technicians under the direction of certi-
fi ed professionals, conduct a minimum of a NFPA 211 
Level 2 inspection of the chimney.

•  Replace component parts of the chimney and fi replace 

as specifi ed by the professionals.

•  Ensure all joints are properly engaged and the chimney 

is properly secured.

Note: The MTL-INSERT does not ship standard with a junction 
box. In order to use a remote control, a junction box must be 
installed.