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26

Heatilator • MEL36, MEL42  Installation Manual • 4044-212 • Rev D • 01/06/15

A

B

14-1/2 in.

(368 mm)

Ceiling Firestop

10-1/2 in.

(267 mm)

CB876 Chimney Joint Band

JB877 Chimney Joint Band

2 in. (51 mm)

10-1/2 in.

(267 mm)

RF370 Roof Flashing

24-5/8 in.

(625 mm)

27-3/8 in.

(695 mm)

12 in.

(305 mm)

RF371 Roof Flashing

31 in.

(787 mm)

24-5/8 in.

(625 mm)

12 in.

(305 mm)

Catalog #

A

B

FS338

0-deg.

14-1/2 in.

368 mm

FS339

15-deg.

18-3/8 in.

467 mm

FS340

30-deg.

23 in.

584 mm

TR344 Round Termination Cap

15-3/4 in.

(400 mm)

MH842 Roof Thimble & Flashing

MH841

Summary of Contents for MEL36

Page 1: ...hildren to touch glass Keep children away CAREFULLY SUPERVISE children in same room as fireplace Alert children and adults to hazards of high temperatures High temperatures may ignite clothing or othe...

Page 2: ...Fireplace System Requirements 6 3 Framing and Clearances A Fireplace Dimensions 7 B Clearances 8 Minimum Clearances to Combustibles 8 C Frame the Fireplace 9 D Secure and Level the Fireplace 9 E Prot...

Page 3: ...arth Home Technologies install parts or components not Listed or approved Improper installation adjustment alteration service or maintenance can cause injury or property damage For assistance or addit...

Page 4: ...above and around fireplace Mantel and surround Decorative facing and trim Hearth extension Factory built fireplace Protective metal hearth strip s Outside combustion air Combustible framing header on...

Page 5: ...OTICE In addition to these framing dimensions also reference the following section Clearances Section 3 B Design and Installation Considerations Notice Check building codes prior to installation Insta...

Page 6: ...cating saw Framing material Pliers Non combustible sealant Hammer Gloves Phillips screwdriver Framing square Flat blade screwdriver Electric drill and bits Plumb line Safety glasses Level Tape measure...

Page 7: ...75 in 476 mm 13 45 in 476 mm 21 in 533 mm 7 50 in 191 mm 9 25 in 235 mm 7 50 in 191 mm Gas Knockout Outside Air 9 25 in 235 mm Gas Knockout 7 50 in 191 mm 39 50 in 1003 mm C D B 21 37 in 543 mm 7 37 i...

Page 8: ...cause fire Figure 3 2 Clearances to Combustible Materials Minimum Clearances to Combustibles WITHIN ENCLOSURE AREA Fireplace to backwall 1 2 in 13 mm Fireplace to sidewall 1 2 in 13 mm Top standoffs t...

Page 9: ...nce between the framing and chimney section Clearance of Radiation Shield thimble to chimney is set at 1 1 2 in 38 mm Caution Risk of Cuts Abrasions Wear protective gloves and safety glasses during in...

Page 10: ...n combustible surfaces DO NOT cover metal strips with combustible materials Sparks or embers may ignite flooring Hearth extensions MUST be installed exactly as specified Figure 3 6 Outside Air Install...

Page 11: ...ireplace 35 ft 10 67 m Maximum unsupported chimney above roof 6 ft 1 83 m Warning Risk of Fire You must maintain 2 in 51 mm air space clearance to insulation and other combustible materials around the...

Page 12: ...fset return You determine from the table that you need 34 1 8 in 867 mm Dimension B between the offset and re turn The chimney component that best fits your application is one SL324 15 degree 30 degre...

Page 13: ...imney must extend 2 ft 6 m above any portion of the roof or adjacent structures within 10 ft 3 m of the chimney C Termination Requirements Install a cap approved and listed for this fireplace system L...

Page 14: ...oof Additional support for tall chimneys Install roof flashing according to minimum requirements Maintain minimum clearances to combustibles as specified Offsets returns may not exceed 30 from vertica...

Page 15: ...to fasten chimney sections together Do NOT penetrate inner flue Warning Risk of Fire You MUST use screws to fas ten offset returns to chimney sections to keep the chim ney parts from twisting Failure...

Page 16: ...the extension to the thimble using the screws provided with the extension Install the thimble assembly and nail screw it securely to the framing members Center the flashing over the chimney and fasten...

Page 17: ...ilated and the fireplace system height from floor to the flue outlet of the termination is 13 6 or more it is not necessary to use the Thimble and extend the radiation shield into the roof flashing Th...

Page 18: ...codes for further details Double check the Chimney Assembly Continue assembling the chimney sections up as need ed While doing so be aware of the height and unsup ported chimney length limitations giv...

Page 19: ...als may be used to cover the metal fireplace front A bead of 300 deg F minimum non combustible sealant must be used to close off any gaps at the top and sides between the fireplace and facing to preve...

Page 20: ...bustible material Manufactured hearth materials will usually have a published R value resistance to heat or k value conductivity of heat Refer to the formula in Table 6 1 to convert a k value to an R...

Page 21: ...le material Fireplace Opening 4 in 102 mm min Continuous non combustible sealant 1 2 in Micore Hearth Extension or equivalent insulation Figure 6 4 Hearth Extension Construction warning Risk of Fire A...

Page 22: ...here the non combustible board is placed over the metal surfaces the space between the metal face of the fireplace and framing members Combustible Wall 2 x 4 stud wall Standoffs Measured from top of f...

Page 23: ...mm 12 in 305 mm 11 1 4 in 286 mm FLUSH FRONT 4 in 102 mm BRICK FRONT 5 0 a n g l e 39 angle Figure 6 11 Mantel Leg Surround or Wall Projection acceptable on both sides of opening E Sidewalls Surround...

Page 24: ...rovision Warning Fire and or Asphyxiation Risk Use with solid wood fuel or decorative gas appliance only Gas fire generates fumes DO NOT install unvented gas logs Damper must be locked fully open when...

Page 25: ...883 SL348 48 1219 46 3 4 1187 Catalog Description CAK4A Chimney Air Kit ID4 ID6 Insulated Duct Outside Air UD4 UD6 Uninsulated Duct Outside Air SL306 Chimney Section 6 in 152 mm long SL312 Chimney Se...

Page 26: ...7 Chimney Joint Band 2 in 51 mm 10 1 2 in 267 mm RF370 Roof Flashing 24 5 8 in 625 mm 27 3 8 in 695 mm 12 in 305 mm RF371 Roof Flashing 31 in 787 mm 24 5 8 in 625 mm 12 in 305 mm Catalog A B FS338 0 d...

Page 27: ...r com Please contact your Heatilator dealer with any questions or concerns For the location of your nearest Heatilator dealer please visit www heatilator com 27 Heatilator MEL36 MEL42 Installation Man...

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