140 Indoor Installation Manual And Owner's Manual Brandname: Takagi Category: Water Heater Total Pages: 56 Table of contents Contents2InstallationManual3Specifications4Introduction5SafetyGuidelines6Installation7-General-13-CombustionAirSupply-14-General-28-NaturalGasSupplyPiping-29-Installation-34Applications35InitialOperation37OwnerSGuide38OperatingSafety39NormalOperation41