www.desatech.com
113111-01H 9
INSTALLATION
IMPORTANT: Vent-free replaces add mois-
ture to the air. Although this is benecial,
installing replace in rooms without enough
ventilation air may cause mildew to form from
too much moisture. See Air for Combustion
and Ventilation, page 6.
Note: Your Vanguard replace is designed to
be used in zero clearance installations. Wall
or framing material can be placed directly
against any exterior surface of your replace,
except where standoff spacers are integrally
attached. If standoff spacers are attached to
your replace, these spacers can be placed
directly against wall or framing materials.
Use the dimensions shown for rough openings
to create the easiest installation (see Built-In
Fireplace Installation, page 10).
Use only the correct type of gas (natural or
propane/LP). If your gas supply is not the
correct gas type, do not install heater. Call
dealer where you bought heater for proper
type heater.
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INSTALLATION ITEMS
Before installing replace, make sure you
have the items listed below.
• external regulator - propane/LP only (sup-
plied by installer)
• piping (check local codes)
• sealant (resistant to propane/LP gas)
• equipment shutoff valve *
• test gauge connection*
• ground joint union
• sediment trap
• tee joint
• pipe wrench
* A CSA design-certied equipment shutoff
valve with 1/8" NPT tap is an acceptable al-
ternative to test gauge connection. Purchase
the optional CSA design-certied equipment
shutoff valve from your dealer.
Note: If desired, purchase a four-sided trim
kit for built-in installations. See Accessories,
page 29.
NOTICE: This heater is intended
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WARNING: Never install the
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currents move heat to wall sur-
smoke, aromatic candles, clean-