Suburban Furnace Limit Switch Models SF Series Above 921403895 - 525006

Product Description:  525006

Suburban Furnace Limit Switch is designed to allow your SF series model furnace to operate more efficiently and safely by protecting against over-heating.

• Fits furnace models SF-20, SF-25, SF-30, SF-35, SF-20F, SF-25F, SF-30F, SF-35F (above serial number 921403895).

Note: Suburban furnaces after January 1990 have nine digits. The first 2 digits denote the manufactured year. The next digits indicate the week of the year and the remaining digits are serial numbers. Start with the year to determine whether your serial number is above or below. For example, a serial beginning with 98 is going to be a lower serial number than one beginning with 01.

Please ensure your furnace model is in the list of applicable models before an order is placed.