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25113183-01A
SPECIFICATIONS
CDR3924PT CDR3924NT
Btu (Variable) 11,000/39,000 11,000/39,000
Type Gas Propane/LP Natural
Ignition Electronic Electronic
Manifold Pressure 8.0" W.C. 3.6" W.C.
Inlet Gas Pressure (in. of water)
Maximum 14" 10.5"
Minimum* 11" 5"
Shipping Weight 30 lbs. 30 lbs.
* For purpose of input adjustment
REPLACEMENT PARTS
Note: Use only original replacement parts. This
will protect your warranty coverage for parts
replaced under warranty.
PARTS UNDER WARRANTY
Contact authorized dealers of this product. If
they canʼt supply original replacement part(s),
call DESA Heating Products' Technical Service
Department at 1-866-672-6040.
When calling DESA Heating Products, have ready
• your name
• your address
• model and serial numbers of your heater
• how heater was malfunctioning
• type of gas used (propane/LP or natural gas)
• purchase date
Usually, we will ask you to return the part to the
factory.
PARTS NOT UNDER WARRANTY
Contact authorized dealers of this product. If they
canʼt supply original replacement part(s), call
DESA Heating Products at 1-866-672-6040 for
referral information.
When calling DESA Heating Products, have ready
• model number of your heater
• the replacement part number
SERVICE HINTS
When Gas Pressure Is Too Low
• pilot will not stay lit
• burners will have delayed ignition
• heater will not produce specified heat
• propane/LP gas supply may be low
You may feel your gas pressure is too low. If
so, contact your local natural or propane/LP gas
supplier.
ACCESSORIES
NOTICE: All accessories may
not be available for all fireplace
models.
Purchase these heater accessories from your local
dealer. If they can not supply these accessories,
call DESA Heating Products at 1-866-672-6040
for referral information. You can also write to the
address listed on the back page of this manual.
EQUIPMENT SHUTOFF VALVE
GA5010
For all models. Equipment shutoff valve with
1/8" NPT tap. Fits 1/2" NPT pipe.
FIREPLACE HOOD
Black - GA6050
Brass - GA6052
Antique Brass - GA6053
For all models. Helps deflect heat away from
mantel or wall above fireplace. Fits openings 28"
to 48" wide.
CLEANING KIT - CCK/GCK
(Not Shown)
For all models. Your vent-free gas appliance re
-
quires regular cleaning and maintenance to prevent
performance problems. This kit gives you the tools
and instructions to make it easy to clean all critical
areas of your appliance.
INFORMATION VIDEO - 108917-01
(Not Shown)
For all models. A care and maintenance video is
available by calling 1-866-672-6040. You may also
email your request to
productsupport@desaint.com.
LAVA ROCK - GA6060 (Not Shown)
For all models. Order when additional rock is
desired. (3 lb. bag)