Indoor Fireplace User Manual
30
 WARNING 
Failure to position the parts in accordance with these 
diagrams or  failure  to use only  parts  specifically 
approved with this appliance may result in property 
damage or personal injury.
 AVERTISSEMENT 
Risque de dommages ou de blessures si les pièces 
ne sont pas installées conformément à ces schémas 
et ou si des pièces autres que celles spécifiquement 
approuvées avec cet appareil sont utilisées.
Contact an Authorized Lennox Hearth Products dealer to obtain any of these parts. Never use substitute materials. Use of non-approved parts 
can result in poor performance and safety hazards.
Item Part/Cat.No. Qty Description  Where Used
SIT Millivolt Only
1 H3357 1 Gas Train Assembly, NG, MV MPD35ST-NM
1 H3355 1 Gas Train Assembly, LP, MV MPD35ST-PM
Honeywell Electronic Only
2 H3356 1 Gas Train Assembly, NG, Elecrtr. MPD35ST-NE
3 42J32 1 Transformer
MPD35ST-NE & 
MPD35ST-PE
Misc. Replacement Parts
4
H3351
2
Brickaded Side Panels All
5
H3352
1
Burner, Pan All
6
H3353
1
* Electrical kit All
7
97K51
2
Eyebrow Hood
MPD35ST-NE & 
MPD35ST-PE
7A
H7032
1
Eyebrow Hood
MPD35PF-NE & 
MPD35PF-PE
8 93L32 1 Flex Line Gas Connector, FFGC All
9
H4864
2 Glass Enclosure Assembly
35"
MPD35ST-NE & 
MPD35ST-PE
9A H7033 1 Glass Enclosure Assembly
22"
MPD35PF-NE & 
MPD35PF-PE
10 H3696 Vermiculite, Bag of All
11 H3358 1 Grate Assembly All
12 69L21 4 Latch, Glass Enclosure Panel All
13
H3354
1
Firebox Sub-Floor All
Item Part/Cat. No. Qty Description  Where Used
Misc. Replacement Parts
14
H3210
1 Log Set All
15 H3726 2
Louver Assembly, Upper (35")
All
15A H7034 1
Louver Assembly, Upper (22")
All
16 H3734 1
Louver Assembly, Lower, 
(valve access side)
All
17
H3359
1
Louver Assembly, Lower, (35")
All
17A
H7035
1
Louver Assembly, Lower, (22")
All
18 69L31 2 Magnet, Latch, Spring-Loaded All
19 94326 2 Magnet All
20 H3740 8 Nailing Flange
All
21 12L15 2 Nameplate, Lennox All
22
24M10
1 Orifice, Burner, NG, #37 (.104") MPD35ST-NM & 
MPD35ST-NE
22
42M79
1 Orifice,  Burner, LP,  1.55mm 
(.061")
MPD35ST-PM & 
MPD35ST-PE
23 91K94 1 Piezo Igniter (w/wire)
MPD35ST-NM & 
MPD35ST-PM
24 27K30 1 OFF/ON Switch, Rocker All
25 H3363 Vent Restrictor All
REPLACEMENT PARTS LIST - MPD35ST/PF
Note: Ordering information for Volcanic Stone, Glowing Embers and Touch-up Paint can 
be found on Page 21.
* Electrical Outlet Kit  consists  of  a junction box, 2 screws,  a  receptacle  outlet, an OFF/ON 
rocker switch and a snap bushing.  Note: All the components in the electrical kit will Not be 
used by every model.










