VFI Series User's Manual
VFI33 Vent Free Gas Fireplace System
4
20307670
IMPORTANT SAFETY INFORMATION
  The initial break-in operation should last four hours 
with the burner at the highest setting. Provide maxi-
mum ventilation by opening windows or doors to allow 
odors to dissipate. Any odors remaining after this initial 
break-in period will be slight and will disappear with 
continued use.
21. Input ratings are shown in BTU per hour and are for 
elevations up to 2,000 feet. For elevations above 2,000 
feet, input ratings should be reduced 4 percent for each 
1,000 feet above sea level. Refer to the National Fuel 
Gas Code.
22. The appliance must be isolated from the gas supply 
piping system by closing its equipment shutoff valve 
during any pressure testing of the gas supply piping 
system at test pressures equal to or less than 1/2 psig 
(3.5 kPa).
23.  Do not use this room heater if any part has been under 
water. Immediately call a qualifi ed service technician 
to inspect the room heater and to replace any part of 
the control system and any gas control which has been 
under water.
24.  Never burn solid fuels in a fi replace where a unvented 
room heater is installed.
25. Always have a fi replace screen in place when the 
appliance is in operation and, unless other provisions 
for combustion air are provided, the screen must have 
an opening(s) for induction of combustion air.
THIS APPLIANCE MAY BE INSTALLED IN AN 
AFTER-MARKET, 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 CONVERT-
IBLE FOR USE WITH OTHER GASES.
CODES
Adhere to all local codes or, in their absence, the latest edition of THE NATIONAL FUEL GAS CODE ANSI Z223.1 or 
NFPA54 which can be obtained from…
American National Standards Institute, Inc.
1430 Broadway
New York, NY 10018
or
National Fire Protection Association, Inc.
Batterymarch Park
Quincy, MA 02269
WARNING: Never connect unit to 
private (non-utility) gas wells. This gas 
is commonly known as wellhead gas.










