Hearth-and-home-technologies A42C Manuel d'utilisateur télécharger pdf (Page 19)

B. Clearances

WARNING! Risk of Fire! You must comply with all minimum air space clearances to combustibles as speciﬁ ed in Fig-

ure 6.2. DO NOT pack required air spaces with insulation or other materials.

Heatilator • A36C & A42C • 28396 • Rev AG • 11/08

(insulation)

0 in. to level

of standoffs

Attic

Insulation

Shield

(ceiling)

(roof)

(attic)

(ceiling)

Ceiling Firestop

Offset/Return (secured

with hanger straps)

Storm Collar

Roof Flashing

3/4 in. (19 mm) to back &

sides of appliance

(except at nailing flanges

where it is 1/2 in. [13 mm])

Must have 2 in. (51 mm)

minimum clearance

to header

0 in.

to floor

2 in. (51 mm) min.

Shaded areas

represent

2 in. (51 mm) min.

air space clearance

required around pipe

Combustible Object

48 in.

1219 mm

Adapter attached here

(not shown)

Figure 3.2 Clearances to Combustible Materials

Note: Chimney air kit not shown, but required in Canada.

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Hearth-and-home-technologies A42C Manuel d'utilisateur Page 19