(Kit #1) has the new style electrode which is applicable above S/N 171416095, the second (Kit #2) has the old style electrode which is applicable to between S/N's 934701426 and ending at 171416095. Please verify which kit is applicable to your furnace prior to ordering. *See serial number note at the bottom of the page*
Tune-Up Kit #1 Contents: (links in blue) (After 4/2017)
*Please Note* 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.
For Example: Even though numerically higher, 934701426 is actually lower than serial number 171416095 due to the year of manufacture.