Installation manual
www.usaprocom.com
200020-01A2
TABLE OF CONTENTS
Safety ........................................................ 3
Specications ............................................ 5
Qualied Installing Agency ........................ 5
Product Features ....................................... 5
Product Identication ................................. 6
Unpacking.................................................. 6
Local Codes............................................... 6
Water Vapor: A By-Product Of 
 Unvented Room Heaters ..................... 7
Air For Combustion and Ventilation ........... 7
Installation ............................................... 10
Operation ................................................. 18
Inspecting Burners................................... 24
Care And Maintenance ............................ 25
Troubleshooting ....................................... 27
Parts ........................................................ 30
Replacement Parts .................................. 32
Accessories ............................................. 32
Service Hints ........................................... 33
Technical Service..................................... 33
Warranty .................................................. 36
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
This is an unvented gas-red heater. It uses air (oxygen) 
from the room in which it is installed. Provisions for ad-
equate combustion and ventilation air must be provided. 
Refer to Air for Combustion and Ventilation section on 
page 7 of this manual.
 WARNING:  Improper installation, adjustment, al-
teration,  service  or  maintenance  can  cause  injury  or 
property damage.  Refer to  this manual  for correct  in-
stallation and  operational procedures.  For assistance 
or  additional  information  consult  a  qualied  installer, 
service agency or the gas supplier.
This appliance may be installed in an aftermarket,* per-
manently located, manufactured (mobile) home, where 
not prohibited by local codes.
This appliance is only for use with propane or natural 
gas. This appliance is equipped with a simple means to 
switch between propane and natural gas. Field conver-
sion by any  other means including the use of a kit is 
not permitted.
* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer.
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