Hearth and Home Technologies ST42A owner manual Chimney Assembly

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5Chimney Assembly

Chimney must extend beyond combustible roof structure

Maintain minimum height of chimney above roof

Install roof flashing according to minimum requirements

Offsets/returns may not exceed 30° from vertical

Lock chimney sections together firmly to resist movement

Termination Cap

Additional support for tall chimneys

Storm Collar

Maintain minimum clearances to combustibles as specified

Support straps for offsets/ returns must be secured to adequate framing

Firestop spacers are required where chimney passes through ceiling or floor

Figure 5.1 Typical Chimney System - Guidelines for Chimney System Installation

NOTE:

•Chimney performance may vary.

•Trees, buildings, roof lines and wind conditions affect performance.

•Chimney height may need adjustment if smoking or overdraft occurs.

Heatilator • ST42A • 35038 Rev G • 02/05

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Contents
Fire Risk ST42ANumber Homeowner Reference InformationListing Label Information/Location GrateTable of Contents Listing and Code Approvals Appliance CertificationNot intended for use as a primary heat source Asphyxiation Risk Design and Installation ConsiderationsGetting Started Negative PressureMarginal Location Typical Fireplace System Typical Fireplace SystemTools and Supplies Needed Inspect Fireplace and ComponentsFire Risk Explosion Risk Selecting Fireplace Location Framing and ClearancesMm min Clearances Frame the Fireplace Sidewalls/SurroundsChimney Requirements Construct the ChaseRisk of Smoke Spillage Installation of FireplaceInstall the Outside Air Kit Sharp Edges Fire Risk Asphyxiation RiskLevel the Fireplace Secure the FireplacePosition the Fireplace Place the Protective Metal Hearth StripsChimney Assembly C,f SL1106 SL1112 SL1118 SL1136 SL1148 Using Offsets/ReturnsAssemble the Chimney Sections Install the Firestop SpacersInstall the Attic Insulation Shield Double-check the Chimney AssemblySecure the Chimney Chimney Termination Complete the EnclosureChase Top Install the Chimney Air Kit required in CanadaInstalling an ST1175 Square Termination Cap Install the Termination CapAccessories Gas Log/Lighter ProvisionsGas Code, Ansi Z223.1-1980 Finishing Hearth ExtensionHearth Extension Insulation Alternatives, R Value = Finishing Material Glass DoorsMantel General Information Operating InstructionsFlue Damper Outside AirFirescreen Clear Space Near the FireplaceMoisture GrateWood Fuel FirewoodStarting a Fire Understanding Vent Problems TroubleshootingCan’t get a good fire going. What am I doing wrong? Diagnostics and Problem SolvingDiagnostic Questions Solutionsfireplace burns the wood too fast. What can I do? Firebox Refractory Maintenance and Servicing the FireplaceChimney Inspection/Cleaning Disposal of AshesChimney Fire Maintenance Task ListWhen cleaning glass door CleanReference Materials Fireplace DimensionsModel # Description Fireplace ComponentsCatalog # Chimney Components15-1/4 387 mm 25-1/4 641 mm 14-3/4 375 mm Woodburning Termination Cap Shroud TS345 TR342 TR342 / 344 TV TR11 / 11T TR11 / 11T TVTR442 TR442 / 444 TV ST42 Service PartsQty # Description of PartLimited Warranty Contact Information
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