18104086NATURAL GAS HEATER®ACCESSORYPurchase this heater accessory from yourlocal dealer. If they cannot supply this ac-cessory, 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 - GA5010Equipment shutoff valve with 1/8" NPT tap.SERVICEPUBLICATIONSYou can purchase a service manual from theaddress listed on the back page of thismanual. Send a check for $5.00 payable toDESA International.When Gas Pressure Is Too Low• pilot will not stay lit• burner(s) will have delayed ignition• heater will not produce specified heatWhen Gas Quality Is Bad• pilot will not stay lit• burner(s) 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.SERVICE HINTSNote: Use only original replacement parts.This will protect your warranty coverage forparts replaced under warranty.PARTS UNDER WARRANTYContact authorized dealer from whom youpurchased this product. If they cannot sup-ply original replacement part(s), call DESAInternational’s Technical Service Depart-ment at 1-800-323-5190 for information.When contacting your dealer or DESA In-ternational, 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 cannot supply original replacementpart(s), call DESA International’s PartsDepartment at 1-800-972-7879 for referralinformation.When calling DESA International, haveready:• model number of your heater• the replacement part numberREPLACEMENTPARTSYou may have further questions about in-stallation, operation, or troubleshooting. Ifso, contact DESA International’s TechnicalService Department at 1-800-323-5190.You can also visit DESA International’stechnical service web site atwww.desatech.com.TECHNICALSERVICESPECIFICATIONSVN10TABtu 10,000Type Gas Natural OnlyIgnition PiezoPressure Regulator Setting 3.5" W.C.Inlet Gas Pressure (inches of water)Maximum 10.5"Minimum 5"Dimensions, Inches (H x W x D)Heater 21 1 /2 x 13 1 /2 x 7Carton 24 3 /4 x 16 3 /4 x 7 1/2Weight (pounds)Heater 14Shipping 18