®
VENT-FREE NATURAL GAS HEATER
INSTALLATION
Continued
Installing Two Mounting Screws
Note: Wall anchors and mounting screws are in hardware package. The hardware pack- age is provided with heater.
Attaching To Wall Stud Method
For attaching mounting screw to wall stud
1.Drill hole at marked location using 9/64" drill bit.
2.Insert mounting screw into wall stud.
3.Tighten screw until 1/16" space (thick- ness of penny) is between screwhead and wall.
Attaching To Wall Anchor Method
Follow instructions below to attach mount- ing screws to hollow walls (wall areas be- tween studs) or solid walls (concrete or masonry).
1.Drill holes at marked locations using 5/16" drill bit. For solid walls (concrete or masonry), drill at least 1 1/4" deep.
2.Fold wall anchor (see Figure 6).
3.Insert wall anchor (wings first) into hole. Tap anchor flush to wall.
4.For thin walls (1/2" or less), insert red key into wall anchor. Push red key to “pop” open anchor wings (see Figure 7).
IMPORTANT: Do not hammer key! For thick walls (over 1/2" thick) or solid walls, do not pop open wings.
5.Tighten two screws until 1/16" space (thickness of penny) is between screwheads and wall (see Figure 8).
Figure 6 - Folding Anchor
Thin Walls 
(1/4" to 1/2"
thick)
Figure 7 - Popping Open Anchor Wings For Thin Walls
Thin or Thick Wall
(thick wall
shown)
1/16" Space
Solid
Wall
ANCHOR
Figure 8 - Tightening Anchors
Placing Heater On Mounting Screws
1.Locate two keyhole slots on back panel of heater (see Figure 9).
2.Place large openings of slots over screwheads. Slide heater down until screws are in small portion of slots.
Keyhole Slots
Figure 9 - Location Of Keyhole Slots On Back Panel Of Heater
Removing Front Panel Of Heater
1.Remove two screws near bottom cor- ners of front panel.
2.Lift straight up on grill guard until it stops. Grill guard will slide up about 1/4".
3.Pull bottom of front panel forward, then down.
Figure 10 - Removing Front Panel Of Heater
Installing Bottom Mounting Screw
1.Locate bottom mounting hole. This hole is near bottom on back panel of heater (see Figure 11).
2.Mark screw location on wall.
3.Remove heater from wall.
4.If installing bottom mounting screw into hollow or solid wall, install wall anchor. Follow steps 1 through 5 un- der Attaching To Wall Anchor Method.
If installing bottom mounting screw into wall stud, drill hole at marked lo- cation using 9/64" drill bit.
5.Replace heater on wall.
6.Insert bottom anchor screw through back panel into bottom anchor or drilled hole (see Figure 11).
7.Tighten screw until heater is firmly se- cured to wall. Do not over tighten.
Note: Do not replace front panel at this time. Replace front panel after making gas connections and checking for leaks (see pages 9 and 10).
Figure 11 - Installing Bottom Mounting Screw
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