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Lennox Hearth MP-36OD Offset Elevation Chart, Table 4, Figure 50, Gas Line Connection

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NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

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Offset Elevation Chart

A B FTF8-ES30 Number of FTF8 Chimney Sections

Offset Height Offset/Return FTF8-S4

(Inches) (Inches) Elbow Stabilizer 12" 18" 36" 48"

415³⁄₄ 100000

924¹⁄₂ 101000

12 29 ³⁄₄ 100100

14 ¹⁄₄ 33 ¹⁄₂ 102000

17 ¹⁄₄ 38 ¹⁄₂ 101100

20 ¹⁄₄ 43 ³⁄₄ 100200

21 45 ¹⁄₄ 1 0 00 10

22 ¹⁄₄ 47 ¹⁄₂ 1 0 2 1 0 0

25 ¹⁄₄ 52 ¹⁄₂ 1 0 1 2 0 0

26 ¹⁄₄ 54 ¹⁄₄ 101010

27 55 ³⁄₄ 100001

28 ¹⁄₄ 57 ³⁄₄ 1 0 0 3 0 0

29 ¹⁄₄ 59 ¹⁄₄ 100110

31 ¹⁄₄ 63 1 0 2010

32 ¹⁄₄ 64 ¹⁄₂ 101001

34 ¹⁄₄ 68 ¹⁄₄ 1 0 1110

35 ¹⁄₄ 69 ³⁄₄ 100101

37 ¹⁄₄ 73 ¹⁄₄ 100210

38 ¹⁄₄ 75 1 0 0 0 2 0

39 ¹⁄₄ 77 1 0 21 10

41 ¹⁄₂ 80 ¹⁄₂ 101400

43 ¹⁄₄ 83 ³⁄₄ 1 0 1 0 2 0

44 ¹⁄₄ 85 ¹⁄₄ 100011

45 ¹⁄₄ 87 ¹⁄₂ 1 0 0 3 1 0

46 ¹⁄₄ 89 1 0 0 1 2 0

48 ¹⁄₄ 91 ¹⁄₂ 1 0 2 0 2 0

49 ¹⁄₄ 94 ¹⁄₄ 101011

50 ¹⁄₄ 95 ³⁄₄ 100002

51 ¹⁄₄ 97 ³⁄₄ 1 0 1 1 2 0

54 ¹⁄₄ 103 1 0 0 2 2 0

55 ¹⁄₄ 104 ¹⁄₂ 101002

56 ¹⁄₂ 106 ¹⁄₂ 1 0 2 1 2 0

58 ¹⁄₄ 109 ³⁄₄ 100102

61 ³⁄₄ 116 1 1 1 0 3 0

64 ³⁄₄ 121 ¹⁄₄ 110130

67 124 ³⁄₄ 112030

68 ³⁄₄ 128 1 1 0 0 1 2

70 130 1 1 1 1 3 0

73 135 ¹⁄₄ 1 1 0230

74 ³⁄₄ 138 ¹⁄₄ 110003

79 145 ¹⁄₂ 1 1 1 0 4 0

80 147 ¹⁄₄ 1 1 1 0 0 3

82 150 ³⁄₄ 1 1 0 1 4 0

82 ¹⁄₄ 152 1 1 0 1 0 3

Table 4

Note: The return elbow assembly performs the

same function as a stabilizer. Consider this when

determining the need for a stabilizer.

Note: Do not apply excessive pressure to any

subsequent chimney section following return

elbow assembly when installing. Ensure that

each subsequent chimney section is securely

attached by testing as noted above.

Return

Elbow

Figure 50Gas Line Connection

Install a 1/2" gas supply line through ﬁ replace

wall for connection to a decorative gas appliance

inside the ﬁ rebox. Outside, the gas supply line

connects to a gas shut-off valve recessed ﬂ ush

into the wall or ﬂ oor. The valve should be con-

trolled by a removable valve key for safety.

Always plumb gas line installation per local

codes. Check all connections with a gas leak

detection solution for leaks (which will bubble

if present). Never test any gas line connection

with a match or open ﬂ ame.

This provision is intended for connection to

a decorative gas appliance incorporating an

automatic shut-off device and complying with

the Standard for Decorative Gas Appliances for

installation in vented ﬁ replaces, ANSI Z21.60

(1991) or American Gas Association draft re-

quirements for Gas-Fired Log Lighters for Wood

Burning Fireplaces, Draft No. 4 dated August,

1993. Install in accordance with the National

Fuel Gas Code, ANSI Z223.1. This complies

with the revised U.L. 127 standard.

Contents

Main MODEL MP-36OD MERIT PLUS SERIES INSTALLATION INSTRUCTIONS RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE VEUILLEZ GARDER CE MANUEL POUR RFRENCE FUTURE. TABLE OF CONTENTS PACKAGING TOOLS AND BUILDING SUPPLIES NORMALLY REQUIRED PRECAUTIONS PLEASE READ AND UNDERSTAND THESE IMPORTANT SAFETY RULES. INTRODUCTION General Information Figure 1 Figure 2 CHIMNEY SYSTEM Chimney Height - Table 1 Figure 4 Figure 3 Figure 6 Figure 7 Figure 5 A B C Figure 9- Figure 10 Figure 14 - Figure 12 - Figure 15 Page NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. 9 FIREPLACE SPECIFICATIONS - MODEL MP-36OD * F J Corner Installation Figure 18 INSTALLING THE FIREPLACE Figure 21 Figure 20 Figure 22 Figure 19 Figure 23 Figure 24 Figure 27 Figure 25 Figure 26 INSTALLING THE CHIMNEY SYSTEM Figure 28 Figure 29 Figure 30 CHIMNEY 30 OFFSET THROUGH FLOOR OR CEILING Figure 31 Figure 33 Figure 35 For Canada Only Figure 37 Figure 38 Figure 39 Figure 41 Figure 40 FTF8 CHIMNEY COMPONENT CALCULATIONS MULTIPLE TERMINATIONS Figure 44 TEN FOOT RULE SUMMARY Figure 43 OFFSET CALCULATIONS FTF8 Vertical Elevation Chart Table 3b Table 3a FTF8 Vertical Elevation Chart Figure 45 Figure 46 Figure 47 Figure 49 Figure 48 Offset Elevation Chart Table 4 Figure 50 Gas Line Connection IMPORTANT ATTENTION WARNING AVERTISSEMENT CAUTION COLD CLIMATE INSULATION FIREPLACE FINISHES Mantels and Trim Figure 52 - Hearth Extensions and Wall Shields Figure 51 - Figure 53 Methods of Determining Hearth Extension and Wall Shield Equivalents - rM = r value per inch of alternate material rL = r value per inch of listed material TL = minimum thickness of listed material Calculating Minimum Thickness if Multiple Materials are Used La fente entre le foyer et lextension dtre doit tre scelle avec un matriel non- combustible. INSTALLATION COMPONENTS The following items are available for use in the installation of this appliance. P/N 850,030M REV. B 04/2006 B E 1110 West Taft Avenue Orange, CA 92865 OPEN TOP SHROUD KITS Inches (millimeters)