Breaking The TurboMax S/N Code
If you’re given a Turbomax serial number, the first two numbers signify the model. The second two numbers signify the date (ex. XX05 = 2005)
10 – T23
11 – T24
32 – T33
33 – T34
12 – T44
13 – T45
15 – T^%
19 – T109
Ex: 3212 = T33 date code 2012
The change of aquastat control from the fixed (ferrule) to the adjustable temp. diff (with well) has been made on Turbomax manufactured after Feb. 2008.