Vanguard FBST User Manual

Page of 20
www.desatech.com
105116-01D

WARNING:  Improper  installation,  adjustment,  altera-
tion, service or maintenance can cause injury or prop-
erty damage. Refer to this manual for correct installation
and  operational  procedures.  For  assistance  or  addi-
tional information consult a qualified installer, service
agency or the gas supplier.
WARNING:  For  use  only  with  decorative  type  unvented 
room heaters. Do not build a wood fire.
This  firebox  has  been  tested  and  approved  by  I.A.S.
under  their  REQ.  2-97  for  use  with  any ANS  Z21.11.2 
approved gas logs.
This firebox may be installed in an aftermarket*, perma-
nently located, manufactured (mobile) home, where not
prohibited by state or local codes.
*Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer.
State of Massachusetts: The installation must be made by a licensed plumber or gas fitter in the 
Commonwealth of Massachusetts.
Sellers of unvented propane or natural gas-fired supplemental room heaters shall provide to each 
purchaser a copy of 527 CMR 30 upon sale of the unit.
Vent-free gas products are prohibited for bedroom and bathroom installation in the Common-
wealth of Massachusetts.
TaBLE OF CONTENTS
Safety Information ............................................... 3
Product Specifications ......................................... 4
Local Codes......................................................... 4
Unpacking............................................................ 4
Product Features ................................................. 4
Locating Firebox  ................................................. 5
Air for combustion and Ventilation ....................... 5
Installation ........................................................... 8
Operating Guidelines and  
     Maintenance Instructions.............................. 15
Replacement Parts ............................................ 15
Illustrated Parts Breakdown and Parts List........ 16
Technical Service............................................... 18
Accessories ....................................................... 18
Warranty Information ...........................Back Cover