19
Wall
switch
36”
Minimum between combustible
framing studs
15”
Minimum cavity
depth
Min 31”
To underside of existing
FRPEXVWLEOHȴQLVK
Min 33”
To underside of existing combustible header
Existing wall
fi
nish
(combustible or
non-combustible)
Existing combustible
framing
Existing combustible
header (max depth
5” total including wall
fi
nish)
Note:
Installers to verify
all clearances to existing
combustible materials are
adequate before installing this
appliance.
Note:
Only Reduced Clearance
(RC) style backing plates (with
ventilation slot) can be used for
this application.
Note:
RC Backing Plates are not
compatible with HeatShift.
The H3 appliance with 1035-RC or 1040-RC (Reduced Clearance) versions of the backing plates are speci
fi
cally
designed for retro
fi
t applications where an existing
fi
replace is being removed, and the existing wall
fi
nish and cavity
remain. These backing plates incorporate a ventilation slot that allows for a lower combustible header height of 33”,
and combustible wall
fi
nishes from 31” of the base of the H3 appliance. The outer dimensions of the RC backing plates
are larger, to cover a larger range of existing cavities.
Reduced Clearance backing plates DO NOT ADJUST for additional
fi
nishes applied later.
Note: Leave stando
ff
s
fl
at on
appliance for this application.
Retrofit Application
Overview
Minimum cavity
height 39”
Backing plate
WARNING
SAFETY WARNING! The H3 is a very effective radiant heater.
HOT WALL SURFACES! The wall directly above the fireplace is constructed of combustible
materials and, although safe, it may reach hot temperatures depending on finish material.
HEARTH/FLOOR SURFACES! The hearth/floor in front of the heater can get very hot. Locating
the unit raised above the hearth/floor and using the screen front will help reduce hearth
temperatures. Note that some materials, although safe can degrade due to heat.
Ventilation slot
Required trim
Existing hearth or
fl
oor. May be
combustible material provided it
is no higher than the base of the
appliance.
NOTE: The bottom of 4-sided
backing plate 1040-RC extends
7/8” below bottom of appliance.