Hearth and Home Technologies 42, 36 owner manual Chimney Assembly, Height of Chimney Components

5Chimney Assembly

A. Chimney Requirements

Vertical distances are measured from the base of the fire- place.

•Minimum overall straight height is 6 ft 4 in. if the fireplace is freestanding and a minimum of 10 ft from a combustible structure. See Figure 3.2.

•Chimney must extend 2 ft (.6 m) above any portion of the roof within 10 ft (3 m) of the chimney. Refer to Figure 6.1.

		ft	m
•	Minimum heightwith offset/return	16	4.88
•	Maximum height	90	27.43
•	Maximum chimney length between an offset	20	6.1
	and return
•	Maximum distance between chimney	35	10.67
	stabilizers
•	Double offset/return minimum height	24	7.32
•	Maximum unsupported chimney length	6	1.83
	between the offset and return
•	Maximum unsupported chimney height above	35	10.67
	the fireplace
•	Minimum overall straight height if fireplace is	6.33	1.93
	freestanding

Note: A maximum of two pairs of offsets and returns may be used.

WARNING

Fire Risk

•Must maintain 2 in. (51 mm) air clearance to insulation and other combustible materials.

To determine the chimney components needed to complete your particular installation, follow the steps below:

•Determine the total vertical height of the fireplace installation. This dimension is measured from the base of the fireplace assembly to the point where the smoke exits the termination cap.

•Subtract the effective height of the fireplace assembly from the overall height of the fireplace installation (measured from the base of the fireplace to the bottom of the termination cap).

•Refer to Table 5.1 to determine what components must be selected to complete the fireplace installation.

•Determine the number of ceiling firestops, stabilizers, roof flashing, etc. required to complete the fireplace installation.

CAUTION

•Do NOT connect this fireplace to a chimney flue servicing another appliance.

•Do NOT connect to any air distribution duct or system.

Table 5.1

HEIGHT OF CHIMNEY COMPONENTS		in.	mm
US	Canada ONLY
Chimney Stabilizer
SL11	SL4	4-3/4	121
Ceiling Firestops
FS538	FS538	0	0
FS540	FS540	0	0
Offsets/Returns
SL1130	SL430	14-1/2	368
Chimney Sections*
SL1106	SL406	4-3/4	121
SL1112	SL412	10-3/4	273
SL1118	SL418	16-3/4	425
SL1136	SL436	34-3/4	883
SL1148	SL448	46-3/4	1187
n/a	SLA10	16-3/4	425

* Dimensions reflect effective height.

14 Outdoor Lifestyles by Hearth & Home Technologies Inc. • Montana US-CAN • 4039-156 Rev K 7/11