RV Furnace Ignition Circuit Board Replacement For SF 20 25 30 35 42-F Q FQ 520820 12V Control Module

PART NUMBER: The referencing part number of the ignition control circuit board are 520820, 521099, 520741, 520871, 520814, 33550L, AP4896608. Please check the part numbers whether it suits your vehicle before purchasing. WIDE COMPATIBILITY: Direct replacement for SF 20 25 30 35 42-F Q FQ, replacement for SFV 20 25 30 35 42-F, replacement for NT 12 16 20-S SE, replacement for NT 16 20- SEQ, replacement for NT 24 30 34- , etc. INTELLIGENT CONTROL: Circuit board manages RV furnace ignition and gas valves, initiating a lockout after 3 ignition failures. It synchronizes gas and electric in real time, uses thermal feedback to prevent ignition failures and malfunctions, stabilizes water temperature, and provides consistent, regulated comfort heating. Item Type: RV Furnace Ignition Circuit Board Size: Approx. 10.8x8.2x4.5cm Celsius 4.25x3.23x1.77in Fitment: Replacement for SF 20 25 30 35 42-F Q FQReplacement for SFV 20 25 30 35 42-F Replacement for NT 12 16 20-S SE Replacement for NT 16 20-  SEQ Replacement for NT 24 30 34- Replacement for SH-35 42-F Replacement for DD-17DSI Replacement Part Numbers: 520820, 521099, 520741, 520871, 520814, 33550L, AP4896608