11Safety Instructions Installation Instructions Operating Instructions Care and Cleaning Troubleshooting Tips Customer ServiceInstallation checklist.Water Heater Location■ Close to area of heated waterdemand.■ Indoors and protected fromfreezing temperatures.■ Area free of flammable vapors.■ Sufficient fresh air supply forproper operation of water heater.■ Provisions made to protect areafrom water damage.■ Sufficient room to service heater.Water Supply■ Water heater completely filledwith water.■ Air purged from water heater andpiping.■ Water connections tight andfree of leaks.Relief Valve■ Temperature and Pressure ReliefValve properly installed anddischarge line run to open drain.■ Discharge line protected fromfreezing.Wiring■ Power supply voltage agrees withwater heater rating plate.■ Branch circuit wire and fusing orcircuit breaker of proper size.■ Electrical connections tight andunit properly grounded.