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Hearth and Home Technologies ST42A Install the Attic Insulation Shield, Secure the Chimney

Models: ST42A

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E. Install the Attic Insulation Shield

An insulation shield must be installed when there is a pos- sibility of insulation coming into contact with the factory built chimney system.

•Bend the tabs at the top of the attic insulation shield inward. This will help keep the chimney section centered in the shield.

•Position the shield over the vertical chimney section where it penetrates a fi restop spacer.

•Slide the shield down until it rests on the fi restop spacer. The fi restop spacer will support the insulation shield. See Figures 5.6 and 5.7.

WARNING

Fire Risk

•DO NOT pack insulation or other combustibles: between firestops; between chimney and attic insulation shield.

•ALWAYS maintain specifi ed clearances around chimney and fi restop systems.

•Install fi restops as specifi ed.

Failure to keep insulation or other material away from chimney pipe may cause fi re.

F. Double-check the Chimney Assembly

Continue assembling the chimney sections up through the

firestop spacers as needed. While doing so, be aware of the height and unsupported chimney length limitations given under Section 5.A. Chimney Requirements.

Check each section by pulling up slightly from the top to en- sure proper engagement before installing the succeeding sections. If they have been connected correctly, they will not disengage when tested.

G. Secure the Chimney

When offsets and returns are joined to straight pipe sections, they must be locked into position with the screws provided* (outer only), using the predrilled holes. To prevent gravity from pulling the chimney sections apart, the returns and the chimney stabilizers have hanger straps for securing these parts to joists or rafters. See Figure 5.8.

*or equivalent #6 or #8 sheet metal screw no longer than 3/4 in. (19 mm).

WARNING

Fire Risk

•Secure offsets with screws.

•Secure returns with strapping.

Keep chimney sections from separating or twisting.

 

 

 

 

 

 

 

 

 

 

 

Tabs

 

 

 

 

 

 

 

 

 

 

 

17 in.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24

in.

 

 

 

 

(423 mm) Attic

(610

mm)

 

 

 

 

 

 

Insulation

Insulation

 

 

 

 

 

 

 

 

 

Shield

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Firestop Spacer

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13 in.

(330 mm)

Chimney

Figure 5.6 Install Attic Insulation Shield Above the Ceiling

17 in.

 

 

 

 

 

 

 

 

 

 

Tabs

 

 

 

 

 

 

 

 

 

 

(423 mm)

 

 

 

 

 

Attic

 

 

 

 

 

Insulation

 

 

 

 

 

 

 

 

 

 

 

Insulation

 

 

 

 

 

 

 

 

 

 

Shield

24

in.

 

 

 

 

 

 

(610 mm)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13 in.

(330 mm)

Chimney

Firestop Spacer

 

Figure 5.7 Install Attic Insulation Shield Below the Ceiling

FIRESTOP

STRAPS

JOINT BAND

OPTIONAL(OPTIONAL) ADDITIONAL

SUPPORT

Figure 5.8 Secure the Chimney

Heatilator • ST42A • 35038 Rev G • 02/05

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Hearth and Home Technologies ST42A owner manual Install the Attic Insulation Shield, Double-check the Chimney Assembly
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ST42A specifications

Hearth and Home Technologies ST42A is a highly regarded product in the realm of home heating, known for its excellent combination of functionality, efficiency, and aesthetic appeal. This stylish gas fireplace offers the perfect blend of modern design and superior technology, making it an ideal choice for homeowners seeking both comfort and elegance.

One of the main features of the ST42A is its remarkable heating capacity. With a BTU output ranging from 26,000 to 36,000, it efficiently warms spaces, making it suitable for medium to large living areas. This gas fireplace is designed to deliver heat effectively while maximizing energy efficiency, allowing users to enjoy warmth without incurring excessive energy costs.

The ST42A comes equipped with an advanced electronic ignition system, ensuring reliable startup and operation. This system not only adds convenience but also enhances safety, as it minimizes the risk of gas leaks. The fireplace is designed to operate on natural gas or propane, offering flexibility to homeowners based on their fuel availability and preferences.

In terms of design, the ST42A boasts a contemporary look that fits seamlessly into a variety of interior styles. Its large viewing area, framed by a stylish surround, allows for an impressive flame presentation that serves as a focal point in any room. The variable flame height adjustment feature allows users to customize the ambiance and comfort level, further enhancing the overall experience.

One of the standout technologies in the ST42A is its unique heat distribution system. This feature ensures that warmth is circulated throughout the room, rather than being concentrated in one area, promoting an even temperature distribution. Additionally, the fireplace is equipped with optional blower kits that can enhance air circulation, further improving the efficiency of heat delivery.

Maintenance is another significant consideration with any heating appliance, and the ST42A simplifies this with accessible components and easy cleaning features. The ceramic glass front is designed to resist soot buildup, ensuring a clear view of the flames and reducing the need for frequent upkeep.

Overall, the Hearth and Home Technologies ST42A stands out as a premium choice for those looking to add warmth and style to their home. With its powerful heating capabilities, advanced technologies, and elegant design, it represents an investment in both comfort and aesthetic enhancement for any living space.