MC Enterprise 232503MC Suburban Furnace Limit Switch - 150°F

The limit switch is a very important safety device on a furnace. The function of a limit switch is to protect the furnace from overheating. These switches come in a variety of temperature ratings and are located at critical locations above the heat chamber on the various models of furnaces. Therefore, it is very important that when one of these switches is replaced, you do so with the properly rated switch.

Suburban Furnace Models: SF-20, SF-20F, and SF-20FQ with Serial # above 921403895

 

PLEASE NOTE: All Suburban Serial Numbers manufactured after January 1990 will be nine digits. The first 2 digits signify the year of manufacture. The next set of digits indicate the week of the year, and the remaining digits are serial numbers. For example: Even though numerically higher, 912000060 is lower than serial number 014103973 due to the year of manufacture.