Install Fireplace & Chimney | Hearth and Home Technologies HST-42D

B. Install Fireplace & Chimney

Install as per Sections 7 and 8.

C. Install Chase Top

• You MUST use a chase top in a chase installation. Chase

tops are available from your Heat & Glo dealer or may

be ﬁeld constructed.

• Include a turndown and drip edge to prevent water from

seeping into the chase.

• Include a 2 in. (51 mm) soldered, caulked or spun collar

around pipe opening to keep water out.

• Provide a 1/8 in. (3 mm) gap around the ﬂue pipe.

• Slope the chase top downward away from the

opening.

CAUTION! DO NOT caulk the pipe to the chase top

collar.

• Caulk all seams to prevent leaks.

• Refer to Figure 9.4.

Slope Downward (1/4 in. per foot minimum)

2 in. (51 mm) Collar on Chase Top

Turn-down

Drip Edge

Chase

.018 (26 ga) min. Galvanized Chase Top

Figure 9.3 Chase Top Construction

Heat & Glo • HST-42D • 27177 • Rev AB • 11/08

33

Image 33

Hearth and Home Technologies HST-42D owner manual Install Fireplace & Chimney, Install Chase Top

Contents

Wood Burning Fireplace Hot screen/mesh and glass doors will cause burnsFire Risk Listing Label Information/Location GrateNumber Table of Contents Installer GuideUser Guide CONDITIONS, Exclusions & Limitation of Liability Warranty Hearth & Home Technologies Limited Warranty Heat & Glo HST-42D 27177 Rev AB 11/08 Appliance Certiﬁcation Listing and Code ApprovalsNon-Combustible Materials Combustible Materials Operating Instructions Your FireplaceHot glass will cause burns Starting a Fire Seasoned WoodGrate Firescreen Outside Air optional Glass DoorsVented Gas Log Sets & Gas Log Lighters Optional Components Wood Fuel Chimney Inspection/Cleaning Maintainance and ServiceDisposal of Ashes Creosote Formation and Need for Removal Check Firebox Refractory Glass CleaningInspect Grate Frequency As desired Start Fire Problems Possible Cause Solution Troubleshooting Guide Typical Fireplace System Getting Started Design and Installation Considerations DraftNegative Pressure Frequently open doors Central heat outlets or returns Locating Fireplace & Chimney Tools and Supplies Needed Fireplace System RequirementsInspect Fireplace and Components Select Fireplace Location Framing & Clearances Clearances to Combustible Materials Clearances Frame the Fireplace Sidewalls/Surrounds Things to Consider Installation of FireplacePosition the Fireplace Place Protective Metal Hearth Strips Ft min. from top of uppermost chimney section to air inlet AK14/AK18 Installation Install Outside Air Kit Chimney Assembly Meters Chimney Requirements Example Using Offsets/Returns Assemble Chimney Sections Install Chimney Air Kit Installing the Ceiling Firestop Install Ceiling Firestops Prepare Attic Insulation Shield Install Attic Insulation Shield Install Flashing Complete InstallationFollowing steps should be skipped if using a chase Cut out Hole in Roof Flat Roofs Chimney Termination Requirements Construct the Chase Chase Installations Install Chase Top Install Fireplace & Chimney ST375 Square Termination Cap Install Termination Cap TS345/TS345P Square Termination Cap Radiation Shield ShroudsField Constructed Shrouds Open Top Shroud TR342 caps require radiation shield Roofed Style Shroud radiation shield required Mailbox Style Shroud radiation shield required Finishing Hearth Extension= 1/k x inches of thickness Noncombustible Facing Finishing Material Clearances to Mantels or other Combustibles above Fireplace Combustible Mantel Squares Gas Log/Lighter Provision AccessoriesWood Burning Inserts Gas Code, Ansi Z223.1 Reference Materials Fireplace Dimensions Catalog # Chimney Components 14-1/2 10-7/8 276 mm HST-42D Service Parts Do not Discard this Manual