T-H3M-DV Installation Manual And Owner's Manual Brandname: Takagi Category: Water Heater Total Pages: 56 Table of contents Contents2InstallationManual3Specifications4Introduction5SafetyGuidelines6Installation7-General-10Forrooftopterminations19-General-20-NaturalGasSupplyPiping-21-Installation-26Applications29InitialOperation31OptionalItems32OwnerSGuide34OperatingSafety35Danger36NormalOperation37Troubleshooting43Caseassembly48Computerboardassembly49Burnerassembly50