Operator`s manual
© 2006 Ground Heaters, Inc. ii  V. 2, Rev. 09/01/06 
The licensed gas technician must use a manometer (to 
properly adjust gas pressure) and an electronic combustion 
analyzer (to properly adjust burner air intake and verify that 
proper combustion parameters have been achieved). The 
licensed gas technician must supply all fuel lines, fittings, 
regulators, etc. necessary to connect the Pureheat
TM
 NG/LP 
burner to the fuel source at the correct pressure and flow. 
FAILURE TO HEED THIS WARNING MAY RESULT IN 
AN EXPLOSION AND/OR FIRE CAUSING 
PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. 
WARNING 
LICENSED GAS TECHNICIAN REQUIRED. 
NG/LP BURNER SETUP AND INSTALLATION, FUEL 
SUPPLY CONNECTION, TEST FIRING AND BURNER 
ADJUSTMENT MUST
 BE PERFORMED BY A LICENSED 
PROFESSIONAL GAS TECHNICIAN AND MUST CONFORM 
TO THE REQUIREMENTS OF ALL RELEVANT LOCAL, 
STATE, PROVINCIAL AND FEDERAL AUTHORITIES. 
Burner setup and installation, fuel supply connection, test-
firing and burner adjustment must be performed by a 
licensed
 professional and must conform to the 
requirements of local, state and federal authorities. In the 
Commonwealth of Massachusetts, gas piping shall be 
installed by a licensed plumber or gas fitter. 










