2
Installation
1. Fasten the outer surround trim and brackets to
the 738/739 heaters or RA24ZC zero clearance
box. Screw the mounting brackets supplied with
the heater or ZC kit to the back side of the outer
surround. Fasten the assembly to the heater or ZC
box as per instructions supplied with the heater or
ZC kit.
2.
For 738 B-Vent Heaters.
Clip the extension baffle
onto the sheet metal edge directly below the draft
hood of the unit to extend the sheet metal forward
to the back of the screen mesh when the doors are
installed.
IMPORTANT: Ensure the baffle is installed as
shown, with the tabs pointing down.
3. Hook the clip-on window trim to the window frame
mounted to the heater by placing it over the
window frame and dropping the two tabs into the
slots behind the rivets at the top of the window
frame (not required for RA24ZC installation).
Mantel width “A”
1”
2”
4”
6”
8” 10”
12”
14”
Mantel height “B”
28” 29
⅜
” 32” 33 ½” 35” 36” 36 ½” 38”
Mantel width “A”
2”
4”
6”
8” 10” 12”
Mantel height “B”
30” 32” 34” 36” 38” 40”
738/739 Mantel Clearances
RF24B Mantel Clearances
