ROYAL ENGLISH OAK AND WINCHESTER OAK
UNVENTED (VENT-FREE) GAS LOG HEATER
OWNER’S OPERATION AND INSTALLATION MANUAL
Save this manual for future reference.
Save this manual for future reference.
For more information, visit www.desatech.com
For more information, visit www.desatech.com
18" and 24" Variable Manually-
Controlled Models
CGS2718P, CGS2718N
CGS3124P, CGS3124N
CLD3018PA, CLD3018NA
18" and 24" Thermostatically-
Controlled Models
CLD3018PT, CLD3018NT
CLD3924PTA, CLD3924NTA
(Winchester Oak Model Shown)
VARIABLE MANUALLY-CONTROLLED MODELS ALSO DESIGN-CERTIFIED
AS VENTED DECORATIVE APPLIANCES
Patent Pending
WARNING: If the information in this manual
is not followed exactly, a fire or explosion
may result causing property damage, per-
sonal injury, or loss of life.
— Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other appliance.
— WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do
not use any phone in your building.
• Immediately call your gas supplier
from a neighbor’s phone. Follow the
gas supplier’s instructions.
• If you cannot reach your gas supplier,
call the fire department.
— Installation and service must be per-
formed by a qualified installer, service
agency, or the gas supplier.
WARNING: Improper installation, adjust-
ment, alteration, service, or maintenance can
cause injury or property damage. Refer to
this manual for correct installation and op-
erational procedures. For assistance or ad-
ditional information consult a qualified in-
staller, service agency, or the gas supplier.
WARNING: This is an unvented gas-fired
heater. It uses air (oxygen) from the room in
which it is installed. Provisions for adequate
combustion and ventilation air must be pro-
vided. Refer to
Air for Combustion and Ven-
tilation
section on page 4 of this manual.
* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
WARNING: This appliance is for installation
only in a solid-fuel burning masonry or UL127
factory-built fireplace, or in a listed ventless
firebox. It is design-certified for these installa-
tions in accordance with ANSI Z21.11.2.
Exception: Do not install this appliance in a
factory-built fireplace that includes instructions
stating it has not been tested or should not be
used with unvented gas logs.
This appliance may be installed in an aftermarket,* permanently located, manufactured (mobile)
home, where not prohibited by local codes.
This appliance is only for use with the type of gas indicated on the rating plate. This appliance
is not convertible for use with other gases.