Description
The NTI Boiler 6008581901 is an OEM replacement ionization electrode complete with wire (C/W), engineered specifically for NTI FTV series boilers. The ionization electrode is a critical combustion safety component that continuously monitors burner flame presence, sending a microamp signal to the boiler’s control board to confirm safe ignition and sustained combustion. A failed or degraded electrode can cause nuisance lockouts, failed ignition sequences, or unsafe operating conditions — making timely replacement essential for reliable boiler performance.
Product Overview
Designed as a direct OEM replacement for NTI FTV series condensing boilers, this ionization electrode assembly arrives complete with the attached lead wire, simplifying installation and ensuring a proper, manufacturer-specified fit. Using genuine NTI parts helps maintain system warranty compliance and ensures the electrode meets the precise geometry and material standards required for accurate flame sensing.
Key Features
- OEM replacement ionization electrode for NTI FTV series boilers
- Complete with wire (C/W) — no additional lead assembly required
- Provides accurate microamp flame-sensing signal to the boiler control board
- Helps prevent nuisance lockouts caused by weak or degraded flame signal
- Manufacturer-specified geometry for precise electrode positioning
- Direct drop-in replacement for simplified installation
- Supports safe and reliable boiler operation
Applications
- NTI FTV series condensing boilers
- Residential and light commercial hydronic heating systems
Why Replace Your Ionization Electrode?
Over time, ionization electrodes can accumulate carbon deposits, corrode, or crack, leading to a weakened flame signal. This often results in repeated boiler lockouts, failed start sequences, or erratic burner behavior. Replacing the electrode with a genuine NTI part restores proper flame detection and ensures the boiler’s safety controls function as intended.
Ordering Information
- SKU: 6008581901
- Brand: NTI Boiler
- Compatible Series: FTV
- Assembly: Electrode complete with wire (C/W)







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