17104402OWNER’S MANUALTECHNICALSERVICEYou may have further questions about in-stallation, operation, or troubleshooting.If so, contact DESA International’s Techni-cal Service Department at 1-800-323-5190.You can also visit DESA International’stechnical service web site atwww.desatech.com.SPECIFICATIONSSERVICE HINTSWhen Gas Pressure Is Too Low• pilot will not stay lit• burner will have delayed ignition• heater will not produce specified heatWhen Gas Quality Is Bad• pilot will not stay lit• burner will produce flames and soot• heater will backfire when litYou may feel your gas pressure is too low orgas quality is bad. If so, contact your localnatural gas supplier.VN2000BTD VN2800BTDBtu (Variable) 10,000/20,000 15,000/30,000Type Gas Natural Only Natural OnlyIgnition Piezo PiezoPressure Regulator Setting 3" W.C. 3" W.C.Inlet Gas Pressure (in. of water)Maximum 10.5" 10.5"Minimum 5" 5"Dimensions, Inches (H x W x D)Heater (Includes knobs & grill) 23.5 x 18.5 x 8.0 23.5 x 25.9 x 8.0Carton 25.8 x 21.3 x 10.1 25.8 x 28.7 x 10.1Weight (pounds)Heater 22 30Shipping 27 35SERVICEPUBLICATIONSYou can purchase service manual from theaddress listed on the back page of thismanual. Send a check for $5.00 payable toDESA International.REPLACEMENTPARTSNote: Use only original replacement parts.This will protect your warranty coverage forparts replaced under warranty.PARTS UNDER WARRANTYContact authorized dealers of this product.If they can’t supply original replacementpart(s), call DESA International’s Techni-cal Service Department at 1-800-323-5190.When calling DESA International, have ready• your name• your address• model and serial numbers of your heater• how heater was malfunctioning• type of gas used (propane/LP or natural gas)• purchase dateUsually, we will ask you to return the defec-tive part to the factory.PARTS NOT UNDERWARRANTYContact authorized dealers of this product.If they can’t supply original replacementpart(s), call DESA International’s PartsDepartment at 1-800-972-7879 for referralinformation.When calling DESA International, have ready• model number of your heater• the replacement part numberFAN KITS - GA3100(A,B) ANDGA3200T(A,B)For all models. Provides better heat distribu-tion. Makes heater more efficient. Completeinstallation and operating instructions included.Manually-controlled - GA3100(A,B). In-cludes ON/OFF switch.Thermostatically-controlled - GA3200T(A,B).Includes three settings: ON/OFF/AUTO.ACCESSORIESPurchase these heater accessories from yourlocal dealer. If they can not supply theseaccessories, call DESA International’s PartsDepartment at 1-800-972-7879 for referralinformation. You can also write to the ad-dress listed on the back page of this manual.EQUIPMENT SHUTOFFVALVE - GA5010For all models. Equipment shutoff valvewith 1/8" NPT tap.FLOOR MOUNTING STANDModel VN2000BTD - GA4000BModel VN2800BTD - GA4010BFor locating heater on the floor, away froma wall. Complete installationinstructions included.