NBK-20539 – Ignition Module – NBK
The NBK-20539 Ignition Module is a dependable OEM-equivalent replacement designed for HVAC ignition control applications. This module helps ensure reliable burner ignition and consistent heating system performance. It is a direct replacement for the widely used Fenwal 35-705701-103 ignition module.
Built to meet or exceed OEM specifications, the NBK-20539 provides a precise fit and dependable operation, making it an ideal solution for HVAC technicians servicing residential and light commercial heating equipment.
Key Features
- OEM-Compatible Replacement: Direct replacement for Fenwal 35-705701-103
- Reliable Ignition Control: Supports safe and consistent burner startup
- Durable Electronics: Built for long service life in HVAC environments
- Direct Fit Design: Helps simplify installation and reduce downtime
Specifications
- SKU: 20539
- UPC: 810069184296
- Category: Ignition Module / Ignition Controls / HVAC
- OEM Brand: Fenwal
- Application: HVAC ignition control replacement
Equivalent To
- Fenwal: 35-705701-103
Why Choose the NBK-20539?
The NBK-20539 is a trusted ignition module replacement for HVAC professionals seeking OEM-level compatibility and dependable system performance. It helps restore proper ignition function and supports safe heating operation.
Installation Tips
- Disconnect all power sources before servicing ignition control components.
- Verify the replacement module matches the original part number and wiring configuration.
- Inspect ignition leads and flame sensors for wear during installation.
- Test system startup after installation to confirm proper burner ignition.
Pairs Well With
Flame Sensors, Hot Surface Igniters, Gas Valves, HVAC Control Boards
