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104256
UNVENTED PROPANE/LP GAS LOG HEATER
VANGUARD FLAME-MAX™
CONNECTING TO GAS
SUPPLY
NOTICE: A qualified service per-
son must connect heater to gas
supply. Follow all local codes.
CAUTION: Never connect
heater directly to the propane
supply. This heater requires an
external regulator (not supplied).
Install the external regulator be-
tween the heater and propane
supply.
Installation Items Needed
Before installing heater, make sure you have
the items listed below.
• external regulator (supplied by installer,
see above)
• piping (check local codes)
• sealant (resistant to LP gas)
• manual shutoff valve *
• test gauge connection *
• sediment trap
• tee joint
• pipe wrench
* An A.G.A. design-certified manual shutoff
valve with 1/8" NPT tap is an acceptable
alternative to test gauge connection. Pur-
chase the optional A.G.A. design-certified
manual shutoff valve from your dealer. See
Accessories, page 19.
Masonry Screw
Figure 12 - Attaching Base Assembly to
Fireplace Floor
Bracket with
Screw Holes
Standard Oak
Log Chassis
Golden Oak and Birch
Model Chassis
Masonry Screw
Bracket with
Screw Holes
INSTALLATION
Continued
Heater Gas
Regulator
Flexible Gas Hose
(if allowed by local
codes)
Figure 11 - Attaching Flexible Gas Hose
to Heater Gas Regulator
Fitting
1. Apply pipe joint sealant lightly to male
threads of the fitting to be threaded into
gas regulator. Connect approved flex-
ible gas hose to gas regulator of heater
(see Figure 11).
IMPORTANT:
Hold gas regulator with
wrench when connecting flexible gas
hose.
2. Locate two masonry screws in hard-
ware package.
3. Place heater base in fireplace.
4. Place logs in their proper position on
heater base.
5. Center heater base and logs front-to-
back and side-to-side in fireplace.
6. Carefully remove logs without moving
heater base.
7. Mark screw locations through one hole
on each side of the mounting bracket
(see Figure 12). If installing in a brick-
bottom fireplace, mark screw locations
in mortar joint of bricks.
8. Remove heater base from fireplace.
9. Drill holes at marked locations using
3/16" drill bit.
10. Attach base assembly to fireplace floor
using two masonry screws (in hardware
package).
11. Connect to gas supply. See Connect-
ing To Gas Supply, column 3.
12. Replace logs on heater base.