ESA 125T, Owner'S Manual, Page: 1 / 21

PORTABLE FORCED AIR
HEATERS OWNER’S MANUAL
HEATER SIZES:
125,000, 170,000 AND 200,000 BTU/HR
KEROSENE/DIESEL HEATER WITH BUILT-IN THERMOSTAT
IMPORTANT: Read and understand this manual before
assembling, starting or servicing heater. Improper use
of heater can cause serious injury. Keep this manual for
future reference.
TABLE OF CONTENTS
Safety Information ............................................. 2
Unpacking ......................................................... 3
Fuels ................................................................. 3
Product Identification ........................................ 3
Theory of Operation .......................................... 4
Ventilation ......................................................... 4
Assembly .......................................................... 4
Operation .......................................................... 5
Operation with Portable Generator ................... 7
Storing, Transporting or Shipping ..................... 7
Preventative Maintenance Schedule ................... 8
Troubleshooting ................................................... 8
Service Procedures ......................................... 10
Specifications .................................................. 15
Wiring Diagrams .............................................. 16
Technical Service ............................................ 17
Replacement Parts .......................................... 17
Accessories ..................................................... 17
Illustrated Parts Breakdown and Parts List ...... 18
Warranty and Repair Service .......................... 28
Fill In For Your Records
Model No.
(Located on side panel)
Serial No.
(Located on fuel tank)
Date of Purchase:
Save this manual for future reference.
For more information, visit www.desatech.com