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Heat & Glo • SL-3X, SL-5X, SL-7X, SL-9X Owner’s Manual • 2372-981 Rev. F
• 7/17
C. BTU Specifications
A. Appliance Certification
NOT INTENDED FOR USE AS A PRIMARY HEAT SOURCE.
This appliance is tested and approved as either supplemen-
tal room heat or as a decorative appliance. It should not be
factored as primary heat in residential heating calculations.
NOTICE:
This installation must conform with local codes.
In the absence of local codes you must comply with the
National Fuel Gas Code, ANSI Z223.1-latest edition in
the U.S.A. and the CAN/CGA B149 Installation Codes in
Canada.
2
Product Specific Information
This product is listed to ANSI standards for “Vented Gas
Fireplace Heaters” and applicable sections of “Gas Burn-
ing Heating Appliances for Manufactured Homes and
Recreational Vehicles”, and “Gas Fired Appliances for
Use at High Altitudes”.
B. Glass Specifications
This appliance is equipped with 5 mm ceramic glass. Re-
place glass only with 5 mm ceramic glass. Please contact
your dealer for replacement glass.
Models
(U.S. or Canada)
Maximum
Input BTU/h
Minimum
Input
BTU/h
Orifice
Size
(DMS)
SL-3X (NG)
(0-2000 FT)
21,000 11,500
#44
SL-3X (LP)
(0-2000 FT)
18,000
9,500
#55
SL-5X (NG)
(0-2000 FT)
27,500 14,500
#40
SL-5X (LP)
(0-2000 FT)
25,000 13,000
#53
SL-7X (NG)
(0-2000 FT)
30,500 17,500
#37
SL-7X (LP)
(0-2000 FT)
29,500 18,000
#52
SL-9X (NG)
(0-2000 FT)
35,000 18,000
#34
SL-9X (LP)
(0-2000 FT)
31,000 16,500
#51
MODELS:
SL-3X, SL-5X, SL-5XLP, SL-7X,
SL-7XLP SL-9X
LABORATORY:
Underwriters Laboratories, Inc. (UL)
TYPE:
Direct Vent Heater
STANDARD:
ANSI Z21.88-2014 • CSA 2.33-2014
Installation and service of this appliance should be performed by
qualified personnel. Hearth & Home Technologies recommends
HHT Factory Trained or NFI certified professionals.
