Suburban Furnace Sail Switch (233382) SF/SFV Series 525003 Replaces: 232261 Superseded to: 525003 Compatibility: SF-20/ SF-25/ SF-30/ SF-35/ SF-42/ SF-20F/ SF-25F/ SF-30F/ SF-35F/ SF-42F SH-42/ SH-42F SF-20Q/ SF-25Q/ SF-30Q/ SF-35Q/ SF-42Q/ SF-20FQ/ SF-25FQ/ SF-30FQ/ SF-35FQ/ SF-42FQ SFV20... See More