Hearth and Home Technologies ST42A owner manual Secure the Fireplace, Position the Fireplace

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B. Secure the Fireplace

•Position the Fireplace

This fi replace may be placed on either a combustible or noncombustible continuous fl at surface. Follow the in- structions for framing in Section 3.D. Slide the fi replace into position. Be sure to provide the minimum air clear- ance at the sides and back of the fi replace assembly. See Section 3.B.

WARNING

Fire Risk!

•Prevent contact with sagging, loose insulation.

•Do NOT install against vapor barriers or exposed insulation.

•Place the Protective Metal Hearth Strips

WARNING

Fire Risk!

•Metal hearth strips MUST be installed. Sparks or embers may ignite fl ooring.

Included with your fi replace you will fi nd four metal hearth strips measuring approximately 28 in. x 4 in. (711 mm x 102 mm). These strips are used to provide added protection where the fi replace and the hearth ex- tensions meet.

Slide each metal strip 2 in. (51 mm) under the front edge of the fi replace. The individual pieces must over- lap each other by 1 in. (25 mm) minimum in the middle of the fi replace to provide continuous coverage of the

floor. See Figure 4.3. These metal strips should extend from the front and sides of the fi replace opening by 2 in. (51 mm).

Note: When elevating the fireplace above the hearth exten- sion the front of the elevated platform must be protected with a protective metal hearth strip as shown in Figure 4.4.

•Level the Fireplace

Level the fi replace side-to-side and front-to-back. Shim with noncombustible material, such as sheet metal, as necessary. Secure the fi replace (using the nailing fl ang- es located on either side of the fi replace) to the vertical framing.

Important: To ensure proper fi t of the glass doors, check the fi replace openings for square. Measure diagonal dis- tances of each opening to make sure they are equal. If they are not, continue to shim the fi replace until those diagonals are equal.

1 in. (25 mm) overlap

Metal strips are placed 2 in. (51 mm) under the front of the fireplace and must extend beyond the front and sides of fireplace by 2 in. (51 mm).

Figure 4.3 Position the Protective Metal Hearth Strips

 

Top piece must overlap

 

bottom piece

 

Raised Platform

2 in.

1 in. (25 mm) min.

(51 mm)

overlap

Floor

2in.

(51 mm)

Figure 4.4 Protect the Front of an Elevated Platform

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Heatilator • ST42A • 35038 Rev G • 02/05

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Contents ST42A Fire RiskGrate Homeowner Reference InformationListing Label Information/Location NumberTable of Contents Not intended for use as a primary heat source Listing and Code ApprovalsAppliance Certification Negative Pressure Design and Installation ConsiderationsGetting Started Asphyxiation RiskMarginal Location Typical Fireplace System Typical Fireplace SystemFire Risk Explosion Risk Tools and Supplies NeededInspect Fireplace and Components Framing and Clearances Selecting Fireplace LocationClearances Mm minSidewalls/Surrounds Frame the FireplaceConstruct the Chase Chimney RequirementsSharp Edges Fire Risk Asphyxiation Risk Installation of FireplaceInstall the Outside Air Kit Risk of Smoke SpillagePlace the Protective Metal Hearth Strips Secure the FireplacePosition the Fireplace Level the FireplaceChimney Assembly C,f Using Offsets/Returns SL1106 SL1112 SL1118 SL1136 SL1148Install the Firestop Spacers Assemble the Chimney SectionsSecure the Chimney Install the Attic Insulation ShieldDouble-check the Chimney Assembly Complete the Enclosure Chimney TerminationInstall the Chimney Air Kit required in Canada Chase TopInstall the Termination Cap Installing an ST1175 Square Termination CapGas Code, Ansi Z223.1-1980 AccessoriesGas Log/Lighter Provisions Hearth Extension Insulation Alternatives, R Value = FinishingHearth Extension Mantel Finishing MaterialGlass Doors Operating Instructions General InformationClear Space Near the Fireplace Outside AirFirescreen Flue DamperFirewood GrateWood Fuel MoistureStarting a Fire Troubleshooting Understanding Vent ProblemsSolutions Diagnostics and Problem SolvingDiagnostic Questions Can’t get a good fire going. What am I doing wrong?fireplace burns the wood too fast. What can I do? Disposal of Ashes Maintenance and Servicing the FireplaceChimney Inspection/Cleaning Firebox RefractoryClean Maintenance Task ListWhen cleaning glass door Chimney FireFireplace Dimensions Reference MaterialsFireplace Components Model # DescriptionChimney Components Catalog #15-1/4 387 mm 25-1/4 641 mm 14-3/4 375 mm TR442 TR442 / 444 TV Woodburning Termination CapShroud TS345 TR342 TR342 / 344 TV TR11 / 11T TR11 / 11T TV Service Parts ST42# Description of Part QtyLimited Warranty Contact Information

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.
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