Hearth and Home Technologies ST42A owner manual Typical Fireplace System

C. Typical Fireplace System

The Heatilator fi replace system consists of the following:

•Fireplace/integral grate/refractory/outside air system

•Chimney termination cap

•Chimney system

•Hearth extension

Optional components include:

•Glass doors

•Chimney air kit

•Fan kit (circulating fi replaces only)

•Junction box (circulating fi replaces only)

Additional lateral

support for chimneyTermination cap above roof (or enclosed

in chase) if needed

Non-combustible

roof flashing maintains

minimum clearance Storm Collar around chimney

Chimney penetrates roof preferably without affecting roof rafters

Support straps on rafter supports

chimney (not shown)

Offset/Return (with hanger straps)

Firestop spacer

Attic insulation shield may

be used here to keep insulation

on floor of attic

away from chimney

Chimney system	Framing headed off
Combustible	in ceiling joists
framing/header	Enclosed space above
on top of
	and around fireplace
V-shaped
standoffs
(spacers)	Mantel and surround
	Decorative facing
	and trim

Hearth extension

Outside combustion air

Factory-built fireplace

Protective metal hearth strip(s)

Figure 2.2 Typical Fireplace System

Heatilator • ST42A • 35038 Rev G • 02/05 7