Suburban 521099 Furnace Ignition Control Module Board with Fan Control

This Suburban 12V DC 3G Fan Control Board is for the furnace and water heater fan ignition. 12 VDC Local Flame Works with all SF and NT Furnace models. Replaces Suburban 520820 & 232613. Replaces models: DD-17-DSI, NT-12S, NT-12SE, NT-16S, NT-20S, NT-16SE, NT-20SE, NT-24S, NT-24SP, NT-24M, NT-25K, NT-30S, NT-30SP, NT-34S, NT-34SP, NT-42T, SF-20, SF-20F, SF-25, SF-25F, SF-30, SF-30F,SF-30FQ, SF-35, SF-35F, SF-35Q SF-42, SF-42F, SF-42Q.. For NT-24SP, NT-30SP, NT-34SP, NT-40 you will need 520839 Module Board Wiring Harness. Will Not Replace 24 Volt AC Boards Dimensions: 4-1/2" x 2-5/8". Cover is not included. Known as NBK part number 20210 Suburban 12V DC 3G Fan Control Board