New Construction
Between underside of header and base of heater.
However, please note that the 1040BPB 4-sided
backing plate extend 1/4" below the base of heater
Increase cavity height accordingly.
A hearth is not required. However, if installing
a hearth, consider the following:
4-sided backing plate position 1/4" below
bottom of appliance.
14
.
39"
3 6
"
1/2" thick non-combustible
board required above engine
(not supplied). See page
"
1 5
26-5/8" between underside
of non-combustible board
and base of heater.
Framing & Hearth
16.
NOTE: This unit requires
a solid platform to support
it. Combustible framing