Description
Furnace Limit Switch; For Suburban Furnace SF-42/ SF-42F (Below Serial Numbers 921403896 And Above Serial Number 921403895)/ SDH-2542; Also Use New Number 525035
All Suburban Serial Numbers manufactured after January 1990, will be nine digits. The first two (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.
Compatibility: Suburban Furnace SF-42/ SF-42F (Below Serial Numbers 921403896 And Above Serial Number 921403895)