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Lennox Hearth MPD35PF-NM-B - page 1
MPD35ST -NM-B MPD35ST -NE-B MPD35ST -PM-B MPD35PF-NE-B MPD35PF-NM-B MPD35PF-PM-B OTL Report No. 116-F-28-5 US Portland MODELS This appliance may be installed in an aftermarket permanently located, manufactured home (USA only) or mobile home, where not prohibited by local codes. This appliance is only for use with the type of gas indicated on the ra ...
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Lennox Hearth MPD35PF-NM-B - page 2
2 T ABLE OF CONTENTS Packaging ......................................... Page 2 Introduction ...................................... Page 2 General Information .......................... Page 2 Requirements for the Commonwealth of Massachusetts . Page 4 New Y ork City Approval ..................... Page 4 Cold Climate Insulation .................... ...
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Lennox Hearth MPD35PF-NM-B - page 3
3 W ARNING Improper installation, adjust- ment, alteration, service or maintenance can cause injur y or property damage. Refer to this manual. For assistance or additional information consult a qualified installer , service agency or the gas supplier . W ARNING Failure to comply with these i n st al la ti on in st ru ct i o n s w il l r es ul t in ...
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Lennox Hearth MPD35PF-NM-B - page 4
4 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. T est gauge connections are provided on the front of the millivolt and electronic gas control valve (identified IN for the inlet and OUT for the manifold side). The control valves have a 3/8" (10mm) NPT thread inlet and outlet side of the valve (refer to Figures 1 and 2 ) . Propane tanks ...
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Lennox Hearth MPD35PF-NM-B - page 5
5 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. LOCA TION In selecting the location, the aesthetic and functional use of the appliance are primar y concerns. However , vent system routing to the exterior and access to the fuel supply are also important. Due to high temperatures, the appliance should be located out of traffic and away from ...
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Lennox Hearth MPD35PF-NM-B - page 6
6 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. 12 X Roof Pitch is X/12 2 FT MIN. 2 FT MIN. Lowest Discharge Opening H* *H = MINIMUM HEIGHT FROM ROOF TO LOWEST DISCHARGE OPENING OF VENT TERMINA TION HEIGHTS FOR VENTS ABOVE FLA T OR SLOPED ROOFS Horizontal Overhang Vertical Wall Vent T ermination Storm Collar Concentric Vent Pipe Flashing 1 ...
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Lennox Hearth MPD35PF-NM-B - page 7
7 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. EXTERIOR HORIZONT AL VENT TERMINA TION CLEARANCE REQUIREMENTS V V V V V F C Fixed Closed Window Operable Window B B A B H M I = Area where Termination is not Permitted = Air Supply Inlet X = Vent T ermination V D V 3 ft. 3 ft. A A A = 9” in U.S. = 12” in Canada V L B J X V A G Inside Corne ...
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Lennox Hearth MPD35PF-NM-B - page 8
8 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. MINIMUM CLEARANCES TO COMBUSTIBLES Appliance And Vent Clearances The appliance is approved with zero clearance to combustible materials on all sides (as detailed in T able 5) , with the following exception: When the unit is installed with one side flush with a wall, the wall on the other side ...
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Lennox Hearth MPD35PF-NM-B - page 9
9 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. MI NI MUM C LE AR AN CE S * I nc he s ( mi ll im et ers ) Si de s 1/ 2 in . (1 3) 0 (0 ) fr om Sp ac er s Or Di mp le s ** T op S pac er s 0 (0 ) Fl oo r 0 (0 ) F r om B o t t o m of U n i t T o Ce ili ng 72 ( 182 9) V en t 3 (7 6) T op * / 1 ( 2 5. 4 ) Sides & Bottom SE RV ICE C LE AR AN ...
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Lennox Hearth MPD35PF-NM-B - page 10
10 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Unit Being Secured by Its Nailing Flanges to the Framing Note: The nailing flanges, combustible members and screw heads located in areas directly adjacent to the nailing flanges, are EXEMPT from the 1/2” clearance to combustible requirements for the firebo x outer wrapp er . C ombusti ble f ...
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Lennox Hearth MPD35PF-NM-B - page 11
11 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. PR OD UCT R EF ER EN CE I NF ORM A T IO N Cat. No. Model Ship Weigh t Ship. Volumn H 3 2 0 1 M P D 3 5 ST -N M 2 2 0 l bs 46 W x 2 6 D x 4 3 H ( 30 c u. ft .) H 3 2 0 2 MP D3 5S T -P M 2 2 0 l b s 46 W x 2 6D x 4 3 H ( 30 c u. ft .) H 3 2 0 3 M PD 35 ST -N E 2 2 0 l bs 46 W x 2 6 D x 4 3 H ( ...
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Lennox Hearth MPD35PF-NM-B - page 12
12 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. SP EC IFI CA TI ON S Na tur al G as B TU I npu t 30 ,00 0 Pr opa ne G as B TU I npu t 28 ,00 0 Co -ax ia l DV V en t S iz e 4- 1/2 " In ne r / 7 -1/ 2" O ut er EF FI CIE NC IE S 61 % Na tu ra l Ga s 62 % Pr op . Ga s • A FUE 65 % Na tu ra l Ga s 67 % Pr op an e Ga s FIREPLACE SPEC ...
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Lennox Hearth MPD35PF-NM-B - page 13
13 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Schedule 40 Black Iron Pipe Inside Diameter (Inches) Sc he du le 40 Pi pe Le ng th (f ee t) Na tu ral Ga s P r op an e G a s 0-10 1/2 3/8 10-40 1/2 1/2 40-100 1/2 1/2 100-150 3/4 1/2 150-200 3/4 1/2 T able 6 IMPORT ANT : If propane is used, be aware that if tank size is too small (i.e. under ...
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Lennox Hearth MPD35PF-NM-B - page 14
14 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. S ec u r in g S c r e w s ( O U T S I DE o f A p p l i a nc e ) I ns u l at i o n T op V e n t V e nt S ea l C a p F ir e b ox T o p C ab i n et T o p C R OS S S E C T I O N S I DE V E N T S E AL C A P R E M OV AL ( S ID E V E N T I NS T AL LA T I O N S ON L Y ) I ns u l at i o n V e n t S e ...
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Lennox Hearth MPD35PF-NM-B - page 15
15 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Note: Convert inches into metric equivalent measurement, as follows: Millimeters (mm) = Inches x 25.4 Centimeters (cm) = Inches x 2.54 Meters (M) = Inches x .0254 T R A H C H T G N E L N O I T C E S T N E V l a n i m o N h t g n e L n o i t c e S ) s e h c n i ( 6 2 1 4 2 6 3 8 4 T O T A L Q ...
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Lennox Hearth MPD35PF-NM-B - page 16
16 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. First Vent Component Align the dimple (four places) with the opening of the locking incline channel on appliance collar . T wist vent component clockwise to engage and seal. Locking Incline Channel Dimple Applia nce col lar Vent / Appliance Collar Connection Align the dimple (four places) of ...
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Lennox Hearth MPD35PF-NM-B - page 17
17 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Framing Dimensions for Roof Pitch C D 0/12 10-1/2 in. 10-1/2 in. (267 mm) (267 mm) 6/12 10-1/2 in. 12 in. (267 mm) (305 mm) 12/12 10-1/2 in. 17-3/4 in. (267 mm) (451 mm) Figure 25 Figure 26 Figure 28 Figure 27 If the vent system extends more than 5' (1.5 m) above the roof flashing, stab ...
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Lennox Hearth MPD35PF-NM-B - page 18
18 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. VERTICAL VENT FIGURES/T ABLES Note: Secure Vent (rigid vent pipe) is shown in the figures; Secure Flex (flexible vent pipe) may also be used. Note : It is very importa nt that the horizon tal/ in - clined run be maintained in a straight (no dips) and recommended to be in a slightly elevated ...
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Lennox Hearth MPD35PF-NM-B - page 19
19 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. VERTICAL VENT FIGURES / T ABLES (CONTINUED) H1 V V1 H T ab le C H + H 1 M ax imu m H Ma xi mu m V Mi nim um fe et ( met er ) fee t (m et er) fe et (m et er ) 5 (1 .5 24) 2 (0 .6 10 ) 1 ( 0. 30 5) 10 ( 3. 048 ) 4 (1 .21 9) 2 (0 .6 10 ) 15 ( 4. 572 ) 6 (1 .82 9) 3 (0 .9 14 ) 20 ( 6. 096 ) 8 (2 ...
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Lennox Hearth MPD35PF-NM-B - page 20
20 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. The unitized design of the Secure Vent compo- nents will engage and seal both the inner and outer pipe elements with the same procedure. Sealant and securing screws are not required. Note: An elbow may also be attached to the appliance collar . Attach in the same manner as you would a vent se ...
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Lennox Hearth MPD35PF-NM-B - page 21
21 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. IMPORT ANT : The vent termination is hot while in operation and for a period of time following the use of the fireplace. T o prevent contact with hot surfaces, we recommend the use of a T ermina- tion Guard . See Page 38. This can be purchased at your local dealer . Figure 35 Figure 36 Insta ...
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Lennox Hearth MPD35PF-NM-B - page 22
22 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Venting Components Required for V arious Exterior Wall Thicknesses, when using T ypical T ermination Kits Vent Components Required Ex te rio r Wa ll Th ic kn es s - i nc he s (m m) T ermination Kit Only 6 to 9-1/4 (152 to 235) T ermination Kit and 6 In. Vent Section (SV4.5L6) 10-3/4 to 14 (27 ...
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Lennox Hearth MPD35PF-NM-B - page 23
23 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. HORIZONT AL VENT FIGURES/T ABLES (continued) H 1 V H V H H 1 u When using Secure Flex, use Firestop / Spacer SF4.5VF v When using Secure Flex, use Firestop / Spacer SF4.5HF u When using Secure Flex, use Firestop / Spacer SF4.5VF v When using Secure Flex, use Firestop / Spacer SF4.5HF u C e il ...
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Lennox Hearth MPD35PF-NM-B - page 24
24 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. HORIZONT AL VENT FIGURES/T ABLES (continued) V H 2 H 1 H T ab le J H + H 1 + H 2 M a x i mu m H Ma xi mum V M in im um fe et (m et er ) fe et (m et er ) fee t (m et er) 5 (1 .52 4) 2 ( 0.6 10 ) 1 (0. 30 5) 10 (3 .0 48 ) 4 (1 .21 9) 2 (0 .6 10) 15 (4 .5 72 ) 6 (1 .82 9) 3 (0 .9 14 ) 20 (6 .0 9 ...
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Lennox Hearth MPD35PF-NM-B - page 25
25 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. GEAR CLAMPS Adapter (SV4.5RF) Apply ONL Y MIL-PAC BLACK HIGH TEMP ERA TURE SE ALANT (Cat alog No . 10K81) to the outside surface of both collars of the adapter (be especially careful to fill the grooves of the outer collar to be covered by the flexible pipe) and slide flexible pipe over inner ...
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Lennox Hearth MPD35PF-NM-B - page 26
26 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Step 5. FIELD WIRING TP-TH TP TH APPLIANCE- MOUNTED ON/OFF SWITCH (OPTIONAL) BK/W(1) BK/W(1) WALL-MOUNTED ON/OFF SWITCH (OPTIONAL) THERMOST A T (OPTIONAL) JUNCTION BOX BLACK W GR 120 V AC WALL MOUNTED CONFIGURA TION FOR FAN SWITCH (OPTIONAL) BK R WIRING DIAGRAM MILLIVOL T GAS VAL VES THERMOPI ...
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Lennox Hearth MPD35PF-NM-B - page 27
27 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. W ARNING Ele ctro nic models of these appl i - ances are equipped with a three- prong (grounding) plug utilized in connecting the electronic components to the junction box in the lower compartment. This grounding plug provides protec- tion against shock hazard and should be plugged directly i ...
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Lennox Hearth MPD35PF-NM-B - page 28
28 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. T urn on gas supply and test for gas leaks, us- ing a gas leak test solution (also referred to as bubble leak solution). Note: Using a soapy water solution is an effective leak test solution but it is not recom- mended, because the soap residue that is left on the pipes/fittings can result i ...
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Lennox Hearth MPD35PF-NM-B - page 29
29 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. When first lighting the appliance, it will take a few minutes for the line to purge itself of air . Once purging is complete, the pilot and burner will light and operate as indicated in the instruc- tion manual. Subsequent lighting of the appliance will not requir e such purging. Inspect the ...
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Lennox Hearth MPD35PF-NM-B - page 30
30 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Figure 54 REFERENCE Firebox Accessories / Parts Cat. No. M od e l N o . Description 88L53 FGE Bag of Glowing Embers 80L42 FDVS Bag of Decorative Volcanic Stone Glowing Embers Bag of Glowing Embers (rockwool) Separate into Quarter Size (separate) Pieces NOTE: DIAGRAMS & ILLUSTRA TIONS ARE ...
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Lennox Hearth MPD35PF-NM-B - page 31
31 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. P os i t io n T h e G ro o v e A t T h e B o tt o m O f L og ( A) O v e r T he G ra t e A n d S l id e I t F or w ar d Ag a i n st T he G r a t e H e re READ WARNINGS ON Page 32 BEFORE PROCEEDING 1. Remove the front glass enclosure panel ( ...
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Lennox Hearth MPD35PF-NM-B - page 32
32 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. W ARNING • DO N OT a tte mpt t o ins tal l the l ogs u nti l the ap pli - an ce i nst al lat ion has be en c om ple ted , th e g as li ne co nne cte d an d tes ted f or l eak s and the in iti al bu rne r op era tio n h as bee n c he cke d o ut. • Th e si ze an d po si tio n of the lo g se ...
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Lennox Hearth MPD35PF-NM-B - page 33
33 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Step 10. REMOVING AND INST ALLING THE GLASS DOOR Air Shutter Adjustment Guidelines : Amount of Primary Air Flame Color Air Shutter Adjustment If ai r sh utt er is cl osed to o f ar Fl ame w ill be ora nge Ai r sh utt er ga p s ho ul d b e in cre as ed If ai r sh utt er is op en t oo far Fla m ...
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Lennox Hearth MPD35PF-NM-B - page 34
34 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. W ARNINGS • Air shutter adjustment should only be performed by a quali- fied profes sio nal servic e tech- nician. • Ensure front glass panel are in place and sealed during adjustment. CAUTIONS • Soot will be produced if the air shutter is closed too much. Any damage due to sooting, re ...
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Lennox Hearth MPD35PF-NM-B - page 35
35 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. C om bu s t ib le W al l F ra mi n g C om bu s t ib le F in is h e d W al l M at er i a ls D ry w al l B ra ck e t /S pa c e r T op of Applia nce Louv ers T op of Door Frame Hood must b e inst alled as s how n. Figure 65 - FIN ISH ING R EQU IREME NTS 1 in . Min. (25 mm) This Ar ea M ust Remai ...
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Lennox Hearth MPD35PF-NM-B - page 36
36 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. A TT ACH ING SAFE TY -I N-OP ER A TI ON W AR NI NG S It is required that the safety instruction labels furnished with the fireplace be affixed to the op- eration and control point of the fireplace. A safety instruction label must be affixed to the wall switch plate where the fireplace is ...
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Lennox Hearth MPD35PF-NM-B - page 37
37 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. C a t. N o . Mo d e l D e s c r i pt io n 77 L70 SV 4. 5L 6 6 I nch ( 15 2 m m) 77 L71 SV 4. 5L 12 12 I nc h ( 30 5 mm ) 77 L72 SV 4. 5L 24 24 I nc h ( 61 0 mm ) 77 L73 SV 4. 5L 36 36 I nc h ( 91 4 mm ) 77 L74 SV 4. 5L 48 48 I nc h ( 12 19 m m) 77 L75 SV4 .5 LA T ele sco pi c Le ng th S lip S ...
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Lennox Hearth MPD35PF-NM-B - page 38
38 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. H 19 6 9 S F 4 .5 H T -2 H o ri z o n ta l Sq u a r e T e r m i n a - t i o n f o r fl e x ( wi t h ou t fl e x ) 7 7L 8 7 S F KI T 1 2 S S q u ar e T er m . f o r fl e x ( wi t h 1 2 i n c h [3 0 5 m m ] * c o m pr e s se d fl e x ) 7 7L 8 8 S F KI T 1 8 S S q u ar e T er m . f o r fl e ...
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Lennox Hearth MPD35PF-NM-B - page 39
39 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. In Canada: THE CONV ERSI ON SHALL BE CARRIED OUT IN ACCO RDAN CE WITH THE REQUIREM ENTS OF THE PROVINCIAL AUTHORITIES HA VING JURISDICTION AND IN ACCORDANCE WITH THE REQUIREMENTS OF THE CAN/CSA-B149.1 INST ALLA TION CODE. LA CONVERSION DEVRA ÊTRE EFFECTUÉE CONFORMÉMENT AUX RECOMMANDA- TION ...
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Lennox Hearth MPD35PF-NM-B - page 40
40 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. A i r Sh u t t e r A d ju st m e n t L ev er Venturi T ube Arm Pan Burner Valve Access Side of Fireplace Firebox Subfloor Figure 66 Pressure Regulator Remove These Components P S I OFF I ON CONTROL I G N I T E G as V a lv e A ss e m bl y Manifold Pressure T est Port Slotted Cap Spring Adjust ...
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Lennox Hearth MPD35PF-NM-B - page 41
41 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Pan Burner Figure 72 BURNER POSITIONING Valve Access Side Figure 71 Step 9. Reassemble the remaining components by reversing the procedures outlined in the preceding steps. Use pipe joint compound or T eflon tape on all pipe fittings before installing (ensure propane resistant compounds are ...
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Lennox Hearth MPD35PF-NM-B - page 42
42 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. NOTE: THIS PAGE INTENTIONALL Y LEFT BLANK. ...
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Lennox Hearth MPD35PF-NM-B - page 43
43 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. NOTE: THIS PAGE INTENTIONALL Y LEFT BLANK. ...
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Lennox Hearth MPD35PF-NM-B - page 44
44 NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. Printed in U.S.A. © 2005 by Lennox Hearth Products P/N 850024M REV . J 01/2011 1508 Elm Hill Pike, Suite 108 • Nashville, TN 37210 Lennox Hearth Products reser ves the right to make changes at any time, without notice, in design, materials, specifications, prices and also to discontinue c ...
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