Ignition Control | NBK-20840 - PENTAIR

PENTAIR Ignition Control  Direct Replacement for: PENTAIR 35-663903-111 PENTAIR 35663903111 PENTAIR 47-110-1782 PENTAIR 472150 PENTAIR 6273-0211 PENTAIR PEN472150 The NBK-20840 Ignition Control is a direct replacement control module engineered for precision ignition and reliable operation in pool and spa heaters. This versatile module is equivalent to multiple OEM part numbers, including Pentair 472150, 6273-0211, 35-663903-111, 35663903111, 47-110-1782, and PEN472150—making it a reliable solution across a wide range of heating systems. Key Features • OEM-equivalent performance – Matches the specifications and operation of original Pentair and Fenwal ignition controls • Reliable ignition management – Ensures consistent system startups and safe burner operation • Durable electronic design – Engineered to withstand demanding pool and spa environments • Easy retrofit – Compatible with a broad range of systems for hassle-free replacement Specifications • SKU: 20840 • Brand: NBK • Category: Miscellaneous / Pool Parts • Type: Ignition Control Module • Equivalent To:  - Pentair 472150  - 6273-0211  - Fenwal 35-663903-111  - 35663903111  - 47-110-1782  - PEN472150 Pairs well with: Replacement Electrical Parts Why Replace Your Ignition Control? A failing ignition control can cause intermittent heating, ignition lockouts, or complete system failure. Upgrading to this NBK replacement restores safe, reliable control—ensuring your heater runs efficiently and without interruption.