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8

Mr. Heater, Inc. | Kerosene Forced Air Heater

Operating Instructions and Owner’s Manual

* Not shown in drawing

Handle and wheel assembly for MH125KTR, 
MH175KTR & MH210KTR only.

Ref. 

Item # 

Item # 

Item #  description

 

MH125KTR  MH175KTR MH210KTR

22169 

22169 

22169 

Wheel Assembly, 10” 

22172 

22172 

22172 

Upper Handle w/Spring Clips

22173 

22173 

22173 

Lower Handle, Right 

22174 

22174 

22174 

Lower Handle, Left 

22176 

22176 

22176 

Leg Support, Right 

22177 

22177 

22177 

Leg Support, Left 

22178 

22178 

22178 

Support Leg 

22179 

22179 

22179 

Front Handle w/Axle 

28749 

28749 

28749 

Large Retainer Washer 

28750 

28750 

28750 

Cotter Pin 

28751 

28751 

28751 

Hub Cap 

10 

28754 

28754 

28754 

Extension Cord Caddy

11 

21897 

21897 

21897 

Wheel Spacer

28787 

28787 

28787 

Hardware Package 

PARTS LIST

PARTS LIST

Ref.  Item #  Item #  Item #  Item #  Item #  description

 

MH50KR  MH75KTR  MH125KTR MH175KTR MH210KTR

Ref.  Item #  Item #  Item #  Item #  Item #  description

 

MH50KR  MH75KTR  MH125KTR MH175KTR MH210KTR

21036  21036  21036  21036  21036 

Power Cord

21832  21833  21915  21834  21834 

Fuel Tank Assembly

**** 

21883  21884  21885  21886 

RadiationShield Ass’y

21807  21808  21809  21809  21809 

Power Pac Ass’y

21686  24343  24346  24346  24346 

Fuel Tube

21835  21836  21837  21837  21837 

Grille Assembly

24011  24011  24011  24011  24011 

Oil cad cell Bracket

28779  28779  287

92    

287

80  

2878

0        Fuel Filter

23449  23449  23449  23449  23449 

Motor Cord Sleeve

10  21839  21840  21841  21842  21843 

Bottom Shell

11  21844  21846  21848  21850  21852 

Top Shell, Burner

12  21854  21856  21858  21860  21862 

Top Shell, Insp. Cover

13  21864  21864  21865  21865  21865 

Motor Mounting Brkt

14  **** 

28788  28735  28735  28735 

Start Capacitor

15  23725  23725  24345  24345  24345 

Air Tube

16  26225  26225  26225  26225  26225 

Snap Bushing

17  21794  21794  26901  26902  22105 

High Limit Control

18  F226831  F226831  F226831  F226831  F226831  Kit, Rotor

 

 

 

 

 

 

- Air Pump Rotor w/Vanes

 

 

 

 

 

 

- Nylon Air Pump Insert

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  21812  21812  21812  21812  21812 

Inlet Housing

24  **** 

**** 

22257  22257  22257 

Burner Head Ass’y

25  F221887  F221887  F221887  F221887  F221887  Kit, Filter

26  21814  21814  21814  21814  21814 

Outlet Filter

27  21815  21815  21815  21815  21815 

Inlet Filter

28  F266842  F266842  F266842  F266842  F266842  Kit, Pump Adjustment

 

 

 

 

 

 

- Nylon Pipe Plug

 

 

 

 

 

 

- Pump Adj. Screw Cap

 

 

 

 

 

 

- Ball,. Pressure adj.

 

 

 

 

 

 

- Spring, Pressure adj.

29  21866  21866  21867  21867  21867 

Flame Control Ass’y

30  21816  21816  21816  21816  21816 

Flame Control Bracket

31  269

54  

2

4

9

55

269

54

269

54      2

6

954        Cad Cell Flame Sensor

32  21882  21868  21869  21870  21871 

Comb.Chamber Cyl.Ass’y     

33  26909  26909  26909  26909  26909 

Fuel Cap

34  26910  26910  26910  26910  26910 

Fuel Cap Gasket

35  27339  21817  21818  21818  21818 

Motor

36  27790  27790  28739  28739  28739 

Nozzle Adapter

37  27421  28740  26885  26866  22108 

Fan

38  22142  22142  22142  22142  22142 

Igniter Assembly

39  27416  28741  28742  28743  22109 

Fuel Air Aspir. Nozzle

40  26223  26223  26223  26223  26223 

Strain Relief Bushing

41  21819  21819  21819  21819  21819 

Electrode Assembly

42  21820  21820  21820  21820  21820 

Electrode Insulated Cover

43  21821  21821  21821  21821  21821 

Hose Barb Adapter  

44  **** 

21822  21822  21822  21822 

Thermostat Knob

45  **** 

21734  21734  21734  21734 

Thermostat Assembly

46  28785  28785  28785  28785  28785 

ON/OFF Switch

47  **** 

28791  28778  28778  28778 

Fuel Gauge

48  21830  21888  21826  21826  21826 

Control Panel

49  21892  21892  21893  21893  21893 

Control Panel Back

50  28786  28786  28786  28786  28786 

Pressure Gauge, Round

51  27094  27094  **** 

**** 

**** 

Clip Handle Mtg.

52  27095  27095  **** 

**** 

**** 

Handle

53  21813  21813  21813  21813  21813 

Gasket, Outlet Filter

24171  24171  **** 

**** 

**** 

Nozzle mtg. plate

 

 

26227  26227  26227 

Snap Bushing

27429  27429  27429  27429  27429 

Nozzle Ext. Retaining Ring

28745  28745  **** 

**** 

**** 

Fuel Line Bushing

**** 

22146  22146  22146  22146 

Bracket Thermostat Mtg.

**** 

26070  26070  26070  26070 

Clamp Loop

Not shown in the drawing

1

2

3

4

6

5

9

7

8

10

11

Figure 1.

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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