- #Determining the age of my piano by serial number serial number
- #Determining the age of my piano by serial number code
The data plate for the Lochinvar water heater shown below has a first letter of “X” and, based on the its condition, we determined it was manufactured in 2001. You have to use your own judgement of the condition of the water heater to determine which year is correct.
#Determining the age of my piano by serial number code
Because the letter code recycles every 20 years “A,” for example, can be 1964, 1984, 2004. The letters I, O, Q, R, U and V are excluded.
#Determining the age of my piano by serial number serial number
The first letter of the serial number is the one to use. Lochinvar uses a 20-letter code for the year of manufacture of their water heaters.