How to Determine The Age Of Heil HVAC From Serial Number
Hvac Serial Number Cheat Sheet. Web to determine the age of an hvac system or water heater, begin your research by locating the brand name and serial number on the. Web 7th thru 13th digits = unit identity #.
Web to determine the age of an hvac system or water heater, begin your research by locating the brand name and serial number on the. Web 7th thru 13th digits = unit identity #. 14th & 15th digits = factory code (01=oh;
Web to determine the age of an hvac system or water heater, begin your research by locating the brand name and serial number on the. Web to determine the age of an hvac system or water heater, begin your research by locating the brand name and serial number on the. Web 7th thru 13th digits = unit identity #. 14th & 15th digits = factory code (01=oh;
