16HOW TO ORDER REPAIR PARTSTHIS MANUAL WILL HELP YOU OBTAIN EFFICIENT, DEPENDABLE SERVICE FROM THEHEATER, AND ENABLE YOU TO ORDER REPAIR PARTS CORRECTLY.KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.WHEN WRITING, ALWAYS GIVE THE FULL MODEL NUMBER WHICH IS ON THE NAME-PLATE ATTACHED TO THE BACK OF THE HEATER.WHEN ORDERING REPAIR PARTS, ALWAYS GIVE THEFOLLOWING INFORMATION AS SHOWN IN THIS LIST:1. The PART NUMBER2. The PART DESCRIPTION3. The MODEL NUMBER: 1821 1821Q4. The SERIAL NUMBER: ____________________UNITED STATES STOVE COMPANY227 Industrial Park RoadP.O. Box 151South Pittsburg, TN 37380(423) 837-2100