Desa EFS33NRB - Manual (Page 12)

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INSTALLATION
Continued
13" 16" 19" 21"
2 1 / 2 "
6"
8"
10"
Minimum Non-
Combustible
Material
Figure 16 - Minimum Mantel Clearances
for Built-In Installation
Mantel Shelf Note:
All Vertical
measurements
are from top of
fireplace opening
to bottom of
mantel shelf.
Mantel Clearances for Built-In
Installation
If placing mantel above built-in fireplace, you must
meet minimum clearance between mantel shelf
and top of fireplace opening.
NOTICE: If your installation does
not meet the minimum clear-
ances shown, you must do one
of the following:
• raise the mantel to an accept-
able height
• remove the mantel
NOTICE: Surface temperatures
of adjacent walls and mantels
become hot during operation.
Walls and mantels above the
firebox may become hot to the
touch. If installed properly, these
temperatures meet the require-
ment of the national product
standard. Follow all minimum
clearances shown in this
manual.
INSTALLING GAS PIPING TO
FIREPLACE LOCATION
WARNING: This appliance
requires a 1/2" NPT (National
Pipe Thread) inlet connection to
the pressure regulator.
WARNING: A qualified ser-
vice person must connect fire-
place to gas supply. Follow all
local codes.
CAUTION: Never connect pro-
pane/LP fireplace directly to the
propane/LP supply. This fireplace
requires an external regulator (not
supplied). Install the external regu-
lator between the fireplace and
propane/LP supply.
WARNING: Never connect
natural gas fireplace to private
(non-utility) gas wells. This gas
is commonly known as well-
head gas.
Installation Items Needed
Before installing fireplace, make sure you have
the items listed below.
• external regulator for propane/LP unit only
(supplied by installer)
• piping (check local codes)
• sealant (resistant to propane/LP gas)
• equipment shutoff valve *
• test gauge connection *
• sediment trap (optional)
• tee joint
• pipe wrench
• approved flexible gas line with gas connector
(if allowed by local codes) (not provided)
* A CSA design-certified equipment shutoff valve
with 1/8" NPT tap is an acceptable alternative to
test gauge connection. Purchase the optional CSA
design-certified equipment shutoff valve from your
dealer. See Accessories, pages 32 through 34.