738/739 Mantel Clearances
Mantel width "A"
1"
Mantel height "B"
28" 29 ⅜" 32" 33 ½" 35" 36" 36 ½" 38"
Installation
1. Fasten the outer surround trim and brackets to
the 738/739 heaters. Screw the mounting brackets
supplied with the heater to the back side of the
outer surround. Fasten the assembly to the heater
as per instructions supplied with the heater.
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.
2
2"
4"
6"
8"
10"
12"
14"
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.