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Mr. Heater Space Heater Parts
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  Mr. Heater MH18B Portable Propane Heater Parts
Mr. Heater Portable Propane Heater Replacement For Model MH18B

Mr. Heater Portable Propane Heater Replacement Parts For Model MH18B

We Sell Only Genuine Mr. Heater Parts

Questions & Answers for Mr. Heater MH18B

Page A
Mr. Heater MH18B Portable Propane Heater Page A Diagram
 Fig #
1
Handel, Assembly Obsolete - Not Available
 $2.99

Part Number:78402

Discontinued

Discontinued
 $2.99
Discontinued
2
Fan, Switch Obsolete - Not Available
 $2.99

Part Number:78403

Discontinued

Discontinued
 $2.99
Discontinued
3
Cover With Fan Motor
 $68.56

Part Number:E78404

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $68.56
Usually ships in 7 - 12 business days
 $68.56
4
Cover With Fan Motor
 $68.56

Part Number:E78404

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $68.56
Usually ships in 7 - 12 business days
 $68.56
5
Fan, Blower, Wheel Obsolete - Not Available
 $2.99

Part Number:78406

Discontinued

Discontinued
 $2.99
Discontinued
6
Fan, Intake, Cover Obsolete - Not Available
 $2.99

Part Number:78407

Discontinued

Discontinued
 $2.99
Discontinued
7
Door, Battery, Cover Obsolete - Not Available
 $2.99

Part Number:78408

Discontinued

Discontinued
 $2.99
Discontinued
8
Battery, Terminals Obsolete - Not Available
 $2.99

Part Number:78409

Discontinued

Discontinued
 $2.99
Discontinued
9
Door Left Side Cover Obsolete - Not Available
 $2.99

Part Number:78410

Discontinued

Discontinued
 $2.99
Discontinued
10
Left, Side, Cover Obsolete - Not Available
 $2.99

Part Number:78411

Discontinued

Discontinued
 $2.99
Discontinued
11
Regulator, Mh18B, Side Inlet Obsolete - Not Available
 $2.99

Part Number:78451

Discontinued

Discontinued
 $2.99
Discontinued
12
Bracket, Retaining, Regulator Obsolete - Not Available
 $2.99

Part Number:78453

Discontinued

Discontinued
 $2.99
Discontinued
13
Bracket, Tank Swivel, Left Obsolete - Not Available
 $2.99

Part Number:78454

Discontinued

Discontinued
 $2.99
Discontinued
14
Bracket, Mounting, Regulator Obsolete - Not Available
 $2.99

Part Number:78452

Discontinued

Discontinued
 $2.99
Discontinued
15
Frame, Assembly Obsolete - Not Available
 $2.99

Part Number:78416

Discontinued

Discontinued
 $2.99
Discontinued
16
Bracket, Tank Swivel, Right Obsolete - Not Available
 $2.99

Part Number:78455

Discontinued

Discontinued
 $2.99
Discontinued
17
Control Knob
 $4.99

Part Number:78418

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Higher than Serial No. 748000097072
 $4.99
Usually ships in 7 - 12 business days
 $4.99
18
Door, Right, Side, Cover Obsolete - Not Available
 $2.99

Part Number:78419

Discontinued

Discontinued
 $2.99
Discontinued
19
Right, Side, Cover Obsolete - Not Available
 $2.99

Part Number:78420

Discontinued

Discontinued
 $2.99
Discontinued
20
Valve, Control, Assembly
 $37.36

Part Number:78421

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $37.36
Usually ships in 7 - 12 business days
 $37.36
21
Pilot, Assembly
 $32.79

Part Number:78422

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $32.79
Usually ships in 7 - 12 business days
 $32.79
22
Shield, Heat, Back Obsolete - Not Available
 $2.99

Part Number:78423

Discontinued

Discontinued
 $2.99
Discontinued
23
Shield, Heat, Front Obsolete - Not Available
 $2.99

Part Number:78424

Discontinued

Discontinued
 $2.99
Discontinued
24
Cover, Front Obsolete - Not Available
 $2.99

Part Number:78425

Discontinued

Discontinued
 $2.99
Discontinued
25
Guard, Wire, Face Obsolete - Not Available
 $14.99

Part Number:78519

Discontinued

Discontinued
 $14.99
Discontinued
26
Bracket, Bottom, Plenum AssY Obsolete - Not Available
 $2.99

Part Number:78427

Discontinued

Discontinued
 $2.99
Discontinued
27
Pilot, Bracket Obsolete - Not Available
 $2.99

Part Number:78428

Discontinued

Discontinued
 $2.99
Discontinued
28
Reflector Obsolete - Not Available
 $2.99

Part Number:78429

Discontinued

Discontinued
 $2.99
Discontinued
29
Ceramic Burner Tile (2011 & Un
 $15.40

Part Number:73439

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: MH9B and MH18B only - For model years 2011 & lower
 $15.40
Usually ships in 7 - 12 business days
 $15.40
30
Gasket
 $4.99

Part Number:73433

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: For model years 2011 & lower
 $4.99
Usually ships in 7 - 12 business days
 $4.99
31
Plenum, Body Obsolete - Not Available
 $2.99

Part Number:78431

Discontinued

Discontinued
 $2.99
Discontinued
32
Bracket, Top, Plenum AssY Obsolete - Not Available
 $2.99

Part Number:78432

Discontinued

Discontinued
 $2.99
Discontinued
33
Swivel, Tank 2 Obsolete - Not Available
 $2.99

Part Number:78439

Discontinued

Discontinued
 $2.99
Discontinued
34
Adapter, Tank 2 Obsolete - Not Available
 $2.99

Part Number:78440

Discontinued

Discontinued
 $2.99
Discontinued
35
Cover, Tank Adapter, Left Obsolete - Not Available
 $2.99

Part Number:78462

Discontinued

Discontinued
 $2.99
Discontinued
36
Cover, Tank Adapter, Right Obsolete - Not Available
 $2.99

Part Number:78463

Discontinued

Discontinued
 $2.99
Discontinued
37
Quick Disconnect Obsolete - Not Available
 $2.99

Part Number:78460

Discontinued

Discontinued
 $2.99
Discontinued
Miscellaneous Parts
 Fig #
29
Burner Tile (2011 & Up)
 $16.32

Part Number:78526

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: for model years 2011 & up
 $16.32
Usually ships in 7 - 12 business days
 $16.32
800
12 Ft. Propane Hose Assembly Obsolete - Not Available
 $2.99

Part Number:F271802

Discontinued

Discontinued

Note: Incl. quick disconnect fittings and 3/8� female flare fitting
 $2.99
Discontinued
800
12 Ft. Propane Hose Assembly
 $59.78

Part Number:F271803

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Incl. quick disconnect fittings and 11� W.C. regulator w/Acme nut
 $59.78
Usually ships in 7 - 12 business days
 $59.78
800
Fuel Filter Replace Annually
 $20.04

Part Number:F273699

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $20.04
Usually ships in 7 - 12 business days
 $20.04
800
Propane Hose Assembly
 $33.45

Part Number:F273701

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Swivel 1�- 20 Male Throwaway Cyl. Thd. X P.O.L. w/Handwheel
 $33.45
Usually ships in 7 - 12 business days
 $33.45
800
12 Ft. Propane Hose Assembly Obsolete - Not Available
 $2.99

Part Number:F273702

Discontinued

Discontinued

Note: Swivel 1�- 20 Male Throwaway Cyl. Thd. X P.O.L. w/Handwheel
 $2.99
Discontinued
800
12 Ft. Propane Hose Assembly Obsolete - Not Available
 $2.99

Part Number:F272702

Discontinued

Discontinued

Note: Swivel 1�- 20 Male Throwaway Cyl. Thd. X P.O.L. w/Handwheel
 $2.99
Discontinued
Heater Parts

Questions & Answers for MH18B

Heater will light for a short time and then goes out will not stay lit any ideas to fix
Bill for model number Mh18b asked on 2022-10-21
Hello Bill, Thank you for writing. If the Pilot is too far from the flame, this can cause the pilot to go out and shut down the heater. We suggest checking the Pilot placement and move it closer to the flame if needed. The Pilot could also be worn out, in which case it needs to be replaced. We hope this solves your problem!
eReplacementParts Team October 21, 2022
Related Parts: Pilot, Assembly
I need a Thermo couple part for my heater
Marlene for model number MH18B asked on 2024-01-13
Hello Marlene, thank you for your inquiry. The Thermocouple is only sold as part of the Pilot assembly. We hope this helps!
eReplacementParts Team January 13, 2024
Related Parts: Pilot, Assembly
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