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104464-01E
For more information, visit www.desatech.com
For more information, visit www.desatech.com
11
11
INSTALLATION
Continued
CONNECTING TO GAS SUPPLY
WARNING: A qualified service person must con-
nect heater to gas supply. Follow all local codes.
Installation Items Needed
Before installing heater, make sure you have the items listed below.
• external regulator (supplied by installer)
• piping (check local codes)
• sealant (resistant to propane/LP gas)
• equipment shutoff valve *
• test gauge connection *
• sediment trap
• tee joint
• pipe wrench
* 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, page 19.
The gas inlet connection for the stove heater is located on the lower
right-hand side of the stove when viewed from the front of the unit.
The gas connection can be made either through the bottom right side
or through the lower back opening as illustrated in Figure 17. Make
CAUTION: Never connect heater directly to the
propane/LP supply. This heater requires an external
regulator (not supplied). Install the external regulator
between the heater and propane/LP supply.
WARNING: This appliance requires a 1/2" NPT
(National Pipe Thread) inlet connection to the pres-
sure regulator.
sure gas log heater is secured to the stove cavity assembly.
The installer must supply an external regulator. The external regulator
will reduce incoming gas pressure. You must reduce incoming gas
pressure to between 11 and 14 inches of water. If you do not reduce
incoming gas pressure, heater regulator damage could occur. Install
external regulator with the vent pointing down as shown in Figure 18.
Pointing the vent down protects it from freezing rain or sleet.
Figure 17 - Gas Regulator Location and Gas Line Access Into
Stove Cabinet
Back
Stove
Panel
Front
of
Stove
Unit
Gas Inlet
Connection
Access
Product
Identification
Label
Gas Log Heater
Back View
Side View
Figure 18 - External Regulator With Vent Pointing Down
Propane/LP
Supply Tank
Vent Pointing
Down
CAUTION: Use only new, black iron or steel pipe.
Internally-tinned copper tubing may be used in certain
areas. Check your local codes. Use pipe of 1/2" diam-
eter or greater to allow proper gas volume to heater. If
pipe is too small, undue loss of volume will occur.
Installation must include a equipment shutoff valve, union, and plugged
1/8" NPT tap. Locate NPT tap within reach for test gauge hook up. NPT
tap must be upstream from heater (see Figure 19, page 12).
IMPORTANT:
Install equipment shutoff valve in an accessible
location. The equipment shutoff valve is for turning on or shutting
off the gas to the appliance.
Check your building codes for any special requirements for locating
equipment shutoff valve to fireplaces.
Apply pipe joint sealant lightly to male NPT threads. This will
prevent excess sealant from going into pipe. Excess sealant in pipe
could result in clogged heater valves.
WARNING: Use pipe joint sealant that is resistant
to liquid petroleum (LP) gas.
External Regulator
INSTALLATION
Connecting to Gas Supply