30
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX HEARTH PRODUCTS • MERIT PLUS
®
DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS
REPLACEMENT PARTS LIST
Gas Controls—SIT Millivolt
Item
No.
Description
Natural Gas Propane Gas
Part No. Qty. Part No. Qty.
15 Gas Valve, SIT H1657 1 88J53 1
16 Piezo Igniter 10K86 1 10K86 1
17 Pilot Assembly 69L17 1 69L18 1
18 Pilot Generator 60J79 1 60J79 1
19 Thermocouple 74L57 1 74L57 1
20 Pilot Tube 74L56 1 74L56 1
21 Electrode And Cable H6212 1 H6212 1
22 Pilot Shield H6347 1 H6347 1
Item No. Description
MPD33 MPD35 MPD40 MPD45
Part No. Qty. Part No. Qty. Part No. Qty. Part No. Qty.
1 Hood H4574 1 97K51 1 97K52 1
97K53
1
2 Radiant Panel Assembly, Upper
H8660
1
H8661
1
H8662
1
H8663
1
2a Louvered Panel Assembly, Upper H4577 1
H6337
1
H2727
1
H3146
1
3 Radiant Panel Assembly, Lower H8664* 1
H8665*
1
H8666*
1
H8667*
1
3a Louvered Panel Assembly, Lower H4578* 1
H6344*
1
H6345*
1
H6346*
1
4 Enclosure, Glass Front (Complete) H8142 1
H6554
1
H8122
1
H6225
1
5 Nameplate (Brand) 12L15 1 12L15 1 12L15 1 12L15 1
6 Door Latch Spring H1264 2 H1264 2 H1264 2 H1264 2
7 Catch, Door, Magnetic 69L31 2 69L31 2 69L31 2 69L31 2
8 Log Set (Complete) 24M15 1 H6197 1 24M25 1 24M25 1
9 Burner Assembly H8585 1 H8585 1 H8587 1 H8587 1
10 Grate Assembly H6526 1 H6526 1 H6314 1 H6314 1
11 Orifi ce, Main Burner—Natural Gas 99K74 1 60J80 1 99K76 1 24M10 1
11 Orifi ce, Main Burner—LP Gas 99K78 1 19L52 1 21L01 1 37G00 1
12 Bag Of Embers (Rockwool) 88L53 1 88L53 1 88L53 1 88L53 1
13 Bag Of Decorative Volcanic Stone 80L42 1 80L42 1 80L42 1 80L42 1
14 Gas Line Flexible Connector 93L32 1 93L32 1 93L32 1 93L32 1
WARNING
Failure to position the parts in accordance with these
diagrams or failure to use only parts specifi cally
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 spécifi quement
approuvées avec cet appareil sont utilisées.
Contact a 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.
Gas Controls—SIT Electronic
Item
No.
Description
Natural Gas Propane Gas
Part No. Qty. Part No. Qty.
23 Gas Valve, SIT H8562 1 H8594 1
24 Pilot Assembly H7268 1 H7269 1
25 Transformer H8006 1 H8006 1
26 Pilot Shield H3737 1 H3737 1
27
DIgital Flame
Control Module
H7272 1 H7272 1
28 Battery Holder H8803 1 H8803 1
29 DFC Wiring Harness H8601 1 H8601 1
30 CPI On/Off Switch 27K30 1 27K30 1
* Lennox Nameplate Logo, 12L15, is not included.
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