™126 Bailey Road North Haven, CT 06473Ph 203-680-9401 Fx 203-680-9403C a r l i n C o m b u s t i o n Te c h n o l o g yTech support 800-989-2275 carlincombustion.com© Copyright 2020 — Carlin Combustion TechnologyExcept where specifically stated otherwise, this manualmust be used only by a qualified service technician.In the state of Massachusetts, this product must beinstalled by a licensed Plumber or Gas Fitter.Failure to comply with the above or other requirementsin this manual could result in severe personal injury,death or substantial property damage.USER — Refer only to User care and maintenanceon back page for information regarding operation ofthis burner. The burner Instruction Manual is intendedonly for your service technician. The burner and heatexchanger must be inspected and started at least an-nually by your service technician.Check burner cartons carefully. The Model 801GASburner was assembled and tested at the factory beforeshipment. If the burner was ordered with a completedassembled gas train, the train was pressure testedand electrically checked for proper operation. Wherepossible, the gas train or components were shipped inthe same carton as the burner. Check your packing slipfor the number of cartons shipped from the factory.MODEL 801GASAdvanced CombinationGas BurnersLow-High-Low Step ModulatingLow Rate (Model 52600A)1400 to 2100 MBHHigh Rate (Model 52600B)2100 to 2500 MBHInstructionManual