not sure about how to find the year on a Lennox furnace but on a Lennox Air conditioner the serial number there are 4 numbers example 5899 ignore the 58 the 99 is the year made. so its the second 2 numbers of the serial #. i think its the same for furnaces as well.
not sure about how to find the year on a Lennox furnace but on a Lennox Air conditioner the serial number there are 4 numbers example 5899 ignore the 58 the 99 is the year made. so its the second 2 numbers of the serial #. i think its the same for furnaces as well.
xctome 2 months ago
I do belive the first two # in s/n is the year manufactured
Darvin1964 5 months ago
@Darvin1964 Thanks! I'l try to look for it next time I am there.
Sharkie626 5 months ago
@Darvin1964 or on mine its the second two #'s
Darvin1964 5 months ago