Dometic Furnace Model DFSD16111 Tune-Up And Repair Kits Kit 1 Is Only Applicable To Serial Numbers Before 72498929 Tune-Up Kit 1 Includes ( links below ): Item 4510 Electrode Assembly (link): 35100-OS Item 4560 Limit Switch, 190° (link): 31091-OS Item 4524 OEM Curved Blade Sail Switch (link): 31093 NLA (Replaced By P Link: 31093-OS ) IN-STOCK Kit 2 Is Only Applicable To Serial Numbers After 72498929 Tune-Up Kit 2 Includes ( links below ): Item 10 Electrode Assembly (link): 35100-OS Item 19 Limit Switch, 190° (link): 31091-OS Item 20 Flat Blade Sail Switch Only (link): 33063 IN-STOCK Kit 3 Is Only Applicable To Serial Numbers After 72498929 Tune-Up Kit 3 Includes ( links below ): Item 10 Electrode Assembly (link): 35100-OS Item 19 Limit Switch, 190° (link): 31091-OS Item 20 Flat Blade Sail Switch Upgrade Kit (link): 33081 IN-STOCK Updated On: 2/12/26
