2CONTENTS SECTION PAGESafety Information ......................................................................... 2Product Identification .................................................................... 4Local Codes ................................................................................... 4Unpacking ...................................................................................... 4Product Features ............................................................................ 4Installing To Wall .......................................................................... 5Connecting To Gas Supply ............................................................ 10Checking Gas Connections ............................................................ 11Operating Heater (Thermostat Model) .......................................... 13Operating Heater (Non-Thermostat Model) .................................. 16Inspecting Burner .......................................................................... 18Cleaning And Maintenance ........................................................... 20Troubleshooting ............................................................................. 20Technical Service .......................................................................... 24Specifications ................................................................................ 24Service Hints ................................................................................. 24Replacement Parts ......................................................................... 24Parts Centrals ................................................................................. 25Accessories .................................................................................... 25Illustrated Parts List ....................................................................... 26-31Warranty Information .................................................................... Back Cover!WARNING ICON G 001WARNINGSIMPORTANT: Read this owner’s manual carefully and completelybefore trying to assemble, operate, or service this heater. Improperuse of this heater can cause serious injury or death from burns, fire,explosion, electrical shock, and carbon monoxide poisoning.!WARNING ICON G 001DANGERCarbon monoxide poisoning may lead to death!Carbon Monoxide Poisoning: Early signs of carbon monoxide poisoningresemble the flu, with headaches, dizziness, or nausea. If you have these signs, theheater may not be working properly. Get fresh air at once! Have heater serviced.Some people are more affected by carbon monoxide than others. These includepregnant women, persons with heart or lung disease or anemia, those under theinfluence of alcohol, and those at high altitudes.Natural Gas: Natural gas is odorless. An odor-making agent is added to naturalgas. The odor helps you detect a natural gas leak. However, the odor added tonatural gas can fade. Natural gas may be present even though no odor exits.Make certain you read and understand all warnings. Keep this manual forreference. It is your guide to safe and proper operation of this heater.SAFETYINFORMATIONSafety Information continued on next page