CONSUMER: READ AND SAVE THESE INSTRUCTIONS
Locating Your Serial Number:
Your serial number can be found on a white label on the right side cover of your heater. For Example:
123456789. Have your Serial Number ready before calling customer service at 800-641-6996.
DANGER
provided with this heater. Failure to comply can result in fire or explosion that can cause property loss, bodily
injury, or loss of life. Only persons who can follow and understand these instructions should operate or service
this heater. If you need heater info; such as an operating manual, labels, etcetera, contact Pinnacle Climate
Technologies at 800-641-6996.
DANGER
ADEQUATELY VENTILATED BUILDINGS OR STRUCTURES UNDER CONSTRUCTION, ALTERATION OR
REPAIR. This is an unvented portable heater that uses air (Oxygen) from within the area in which it is used.
Failure to provide adequate combustion and ventilation air will result in asphyxiation, carbon monoxide
poisoning, bodily injury or death. Refer to "Ventilation" on Page 7.
U.S. Patent No. 9,644,863
FACTORY ID: 500
MODEL NUMBERS:
MH-150T-SDR / MH-220T-SDR
GENERAL HAZARD WARNING: READ AND UNDERSTAND ALL OF THE IN-
STRUCTIONS IN THIS MANUAL BEFORE ASSEMBLING, STARTING, OR SER-
VICING THE HEATER. Be sure to comply with the instructions and warnings
NOT FOR USE IN RESIDENTIAL LIVING AREAS OR IN ENCLOSED SPACES
WITHOUT ADEQUATE VENTILATION. THIS HEATER IS SUITABLE FOR
OUTDOOR USE, AND INDOOR USE ONLY IN WELL-VENTILATED AREAS.
INDOOR USE PERMITTED ONLY FOR: THE TEMPORARY HEATING OF
Fax: 320-251-2922 • Web:
SilentDrive
FORCED AIR HEATER
®
User's Manual &
Operating Instructions
Sauk Rapids, MN 56379 USA • Toll Free
www.masterindustrialproducts.com
© 2021 Pinnacle Climate Technologies, Inc.
(800) 641-6996
• Email: info@pinnacleclimate.com
MASE-407