The MC Enterprises Suburban Furnace 3G Ignition Control Circuit Board, model 521099MC, designed as a replacement for the 520820, ensuring compatibility and enhanced performance for older Suburban furnaces. This genuine replacement part offers the latest operational features, making older appliances up-to-date, and includes a 3-Year Module Board Limited Warranty for added peace of mind.
- Backwards compatible for installation on any Suburban furnace, excluding the NT-45S model.
- Provides compatibility and enhanced performance for older Suburban furnaces
- Includes a 3-Year Module Board Limited Warranty for assurance and reliability
- Designed as a replacement for the 520820, ensuring seamless integration
- Compatible with all Suburban 12 Volt furnaces, excluding those requiring 24 Volt AC boards
- Offers the latest operational features, bringing older appliances up-to-date
- If the board you are replacing does NOT have fan control, you will need a wiring harness as well, sold separately
- 521099 Suburban, 521099MC MC Enterprises








