INSTALLATION INSTRUCTIONS
WHEN INSTALLING AS A VENTED DECORATIVE APPLIANCE
When installing as a vented appliance, the following statements and charts must be followed.
+ Thermostat models can not be installed as a vented appliance under ANSI Z21.60-CGA 2.26-
M96T standard (i.e. HM2-Tstat-24 and HM2-Tstat-33).
+ This appliance must be installed only in a solid-fuel burning fireplace with a working flue, and
constructed of noncombustible material.
+ Solid fuels shall not be burned in a fireplace where a decorative appliance is installed.
The minimum permanent free opening (in square inches) that must be provided by either a
fireplace chimney or chimney damper must be provided (See chart on next page.)
+ The chimney damper must be fixed in a manner which will maintain the minimum permanent
vent opening at all times. To accomplish this, install a damper clamp on the edge of the damper
blade to prevent its closing, or drill a hole or holes in the damper.
+ See chart below when installing as a vented decorative appliance for the minimum size
fireplace that can be used.
Height of Front
Opening
Width of Front
Opening
Depth
HM2-18LP
HM2-18 NAT
HM2-MIL-18LP
HM2-MIL-18NAT
15”
20”
14”
HM2-24LP
HM2-24-NAT
HM2-MIL-24LP
HM2-MIL-24NAT
15”
25”
14”
HM2-33-LP
HM2-33-NAT
HM2-MIL-33LP
HM2-MIL-33NAT
15”
34”
14”
19
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