REFERENCE:

Tonnage / Heat Pack
1.5T = 5 KW
2.0T = 8 or 10 KW
2.5T = 8 or 10 KW
3.0T = 10 or 15KW

Breaker Size
30 = 5kw
40-50 = 8kw

60 = 10kw

# in Serial#

18 = 1.5T
24 = 2.0T
30 = 2.5T
36 = 3.0T