Master VENT-FREE NATURAL GAS HEATER Owner's Operating & Installation Manual page 16

INSTALLATION
Continued
16
Installing Bottom Mounting Screws
1. Locate two bottom mounting holes. These holes are near bottom on back panel
of heater (see Figure 17).
2. Mark screw locations on wall.
3. Remove heater from mounting bracket.
4. If installing bottom mounting screws into hollow or solid wall, install wall anchors.
Follow steps 1 through 4 under Attaching To Wall Anchor Method, page 15.
If installing bottom mounting screw into wall stud, drill holes at marked loca-
tions using 9/64" drill bit.
5. Replace heater onto mounting bracket.
6. Place spacers between bottom mounting holes and wall anchor or drilled hole.
7. Hold spacer in place with one hand. With other hand, insert mounting screw
through bottom mounting hole and spacer. Place tip of screw in opening of wall
anchor or drilled hole.
8. Tighten both screws until heater is firmly secured to wall. Do not over tighten.
Do not replace front panel at this time. Replace front panel after making
Note:
gas connections and checking for leaks (see pages 20-23).
Figure 17 - Installing Bottom Mounting Screws
B. MOUNTING HEATER ON OPTIONAL HEARTH BASE
If installing the GHB802 or GHB802A base on heater, and using with a GA
series heater blower accessory along with a GS601 surround or a GM800
or GM900 series mantel, the surround or mantel clearance to back wall
should be 3/4 inch. This will improve flame appearance and combustion.
Use only a GHB802B hearth base if using a GA series heater blower
accessory with a GM700 series mantel.
Tools needed: #2 Phillips screwdriver, slotted screwdriver, and electric drill (if
securing base to floor)
The optional hearth base kit includes the following:
Hearth Base 4 Wood Screws 4 Sheet Metal Screws
Hearth Insert 4 Anchors
It is an option to secure "A" model hearth base to floor. You must secure the
Note:
"B" model hearth base to floor. To secure hearth base to floor, follow instructions
under Securing Hearth Base to Floor, below. If not securing hearth base to floor,
proceed to Mounting Heater to Optional Hearth Base, page 17.
Securing Hearth Base to Floor
1. Position hearth base in desired location. Mark holes for drilling (See Figure 18,
page 17). Remove hearth base.
2. For carpeted floor, make a small cut with a sharp knife at marked locations
before drilling.
If securing to a wood floor, drill a 3/4" deep hole using a 1/8" diameter drill bit.
Do not use anchors in wood floors.
WARNING
Laminate Sheet & adhesive
Brass Base Trim
2 Brass Screws
101812