28
48”
20”
44”
48”
20”
Between underside of header and
base of heater. Base of heater must
be at
finished hearth height
.
Increase cavity height accordingly.
34-1/2” between
underside of
non-combustible
board and base
of heater
1/2” thick non-combustible
board required above engine
(not supplied). See page .
Any surface directly in front of
the unit which is at a height of
less than 4” from the bottom of
the unit
must be non-combustible
.
May be reduced
by thickness of
additional
non-combustible
wall finish applied
on top of 1/2”
non-combustible
board when using
trims other than
the 1430FFK Fixed
Framing Kit
NOTE: This unit requires a
solid platform to support it.
Combustible framing allowed
beneath fireplace. Please note
that any shims used
underneath to raise the
heater should be set back
1/2” behind front face of
framing otherwise top face
of shims may be visible.
Framing Requirements
29
Insulation Board Under Hearth
Appliance
Combustible
Flooring
1/2” Insulation board,
36” wide x 12” deep
Non-combustible hearth with
1/2” combustible shim below
QUALIFIED
INSTALLER
