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Please note that your serial number could be located on the outside frame of your unit.  On the dataplate, there should be your model number, serial number, and possibly even a date of manufacture needed in order to match up the correct parts diagram for your unit accurately.

Here are some examples of your serial number location:

Here is an example of where you can find your corresponding Lennox or Superior serial number to enter for correct parts matching.

Serial Number Product Location Finder

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e1b066fc35a2a98ce78141404a6a71e811ca2eb0_LNX_MP_420D_Model.jpg

ab3219c9d395d6412b3e1e09b595afd097f54378_LNX_MP_360_420D.pdf

a8dfbbf8f51110e043b159017bc08001ebab0484_REPLACEMENT_PARTS_Assm._12.jpg

3612ST

368ST

36LS

36RS

792771

B36I

B36L

B36LI

B41CF

B41CFI

B41HC

B41HCI

B42I

B42L

B42LI

BC-36

BC-36-2

BC-42

BC-42-2

BC36MH

BCD36MH

BCF-3885

BCF-4385

BCI-36

BCI-36-2

BCI-42

BCI-42-2

BM36HC

BM36HCD

BR-36

BR-36-2

BR-42

BR-42-2

Brentwood LV

Brentwood SP

BRF-3875

BRF-4375

BRI-36

BRI-36-2

BRI-42

BRI-42-2

C36H

C36I

C36L

C36LH

C36LI

C42H

C42I

C42L

C42LH

C42LI

COL-3629

COL-3629H

CPF-38

CR-3835L

CR-3835R

CST-38

CST38MH

EST-36

EST-42

EST-50

F48HI

F48HR

FP-38

FP-43

G36H

G42H

G50H

GM36HI

GM36HR

GM36SI

GM36SR

GM42HI

GM42HR

GM42SI

GM42SR

GM50HI

GM50HR

GM50SI

GM50SR

H4841

HCI-36

HCI-36-H

HCI-42

HCI-42-H

I368ST

I36L

I36LS

I36R

I36RS

JM36HI

MP-420D Lennox Merit Plus Indoor/Outdoor 42" Wood-Burning Fireplace Parts