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Mr. Heater, Inc. | Kerosene Forced Air Heater

Operating Instructions and Owner’s Manual

UL-733, &CSA/CAN3-B140.9.3

MH50KR, MH75KTR, 
MH125KTR, MH175KTR, 
MH210KTR

OpERATING INSTRuCTIONS 
AND OWNER’S MANuAl

Model #

Mr. Heater, Inc. reserves the right to make changes at any time, without notice or 
obligation, in colors, specifications, accessories, materials and models.

WARNING:

USE ONLY MANUFACTURER’S REPLACEMENT PARTS. USE OF ANY OTHER PARTS 
COULD CAUSE INJURY OR DEATH. REPLACEMENT PARTS ARE ONLY AVAILABLE 
DIRECT FROM THE FACTORY AND MUST BE INSTALLED BY A QUALIFIED SERVICE 
AGENCY.  

pARTS ORDERING INFORMATION:

puRCHASING: 

Accessories may be purchased at any Mr. Heater local dealer or 

direct from the factory 

FOR INFORMATION REGARDING SERVICE

Please call Toll-Free 800-251-0001
www.mrheater.com

Our office hours are 8:30 AM – 5:00 PM, EST, Monday through Friday.

Please include the model number, date of purchase, and description of problem in 
all communication.

lIMITED WARRANTY

Mr. Heater, Inc. warrants its heaters and accessories to be free from defects in 
material and workmanship for a period of 1 year from date of purchase. Mr. Heater, 
Inc. will repair or replace this product free of charge if it has been proven to be 
defective within the 1-year period, and is returned at customer expense with proof 
of purchase to Mr. Heater, Inc. within the warranty period.

MR. HEATER, INC., 4560 W. 160TH ST., CLEVELAND, OHIO 44135 • 800-251-0001

Mr. Heater is a registered trademarks of 
Enerco Technical Products, Inc.
© 2009, Enerco/Mr. Heater. All rights reserved

Summary of Contents for 125KTR

Page 1: ...ed portable heater It uses air oxygen from the area in which it is used Adequate combustion and ventilation air must be provided Refer to page 3 KEROSENE FORCED AIR HEATER UL 733 CSA CAN3 B140 9 3 03...

Page 2: ...D USE OR SERVICE THIS HEATER IF YOU NEED ASSISTANCE OR HEATER INFORMATION SUCH AS AN INSTRUCTIONS MANUAL LABELS ETC CONTACT THE MANUFACTURER WARNING FIRE BURN INHALATION AND EXPLOSION HAZARD KEEP SOLI...

Page 3: ...ns and instructions and of the hazards involved SAFETY PRECAUTIONS 1 Recommended for use with No 1 K kerosene fuel Factory tested for use with No 2 K kerosene No 1 or No 2 Diesel No 1 or No 2 fuel oil...

Page 4: ...ater from power source MH75KTR MH125KTR MH175KTR MH210KTR Push On Off switch to Off position For extended shutdown unplug heater from power source RESTART AFTER SAFETY SHUTDOWN MH50KR MH75KTR MH125KTR...

Page 5: ...solid object to remove contaminates Compressed air or liquids should not be used to clean this filter Reinstall cleaned filter in filter body in the same position as it was when removed If the filter...

Page 6: ...wing troubleshooting guide for unit status and corrective action if necessary SYMPTOM TROUBLE SHOOTING High limit switch Open Circuit 1 Make sure heater is cooled off toggle switch to OFF position wai...

Page 7: ...SET MOTOR CAPACITOR CIRCUIT BOARD 18AWG YELL 18AWG YELL 18AWG RED 18AWG RED 18AWG WHT 18AWG BLK 18AWG GRN 18AWG PURPLE 18AWG PINK 18AWG PINK 1 2 3 4 5 6 18AWG PURPLE THERMOSTAT 18AWG BLUE 7 8 ELECTR0...

Page 8: ...ert 19 26898 26898 26898 26898 Receptacle 110V 20 22104 22104 22104 22104 AC Receptacle Cover 21 26833 26833 26833 26833 26833 Air Pump Cylinder 22 21810 21810 21810 21810 21810 Outlet Housing 23 2181...

Page 9: ...ions and Owner s Manual Kerosene Forced Air Heater Model MH50KR MH75KTR MH125KTR MH175KTR MH210KTR 1 2 3 4 5 6 7 9 10 1 1 13 14 15 16 17 18 19 20 21 24 25 Filter Kit 26 53 28 29 30 31 32 34 35 36 37 3...

Page 10: ...dealer or direct from the factory FOR INFORMATION REGARDING SERVICE Please call Toll Free 800 251 0001 www mrheater com Our office hours are 8 30 AM 5 00 PM EST Monday through Friday Please include t...

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