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The NTI 82762 is a genuine OEM flame sensor and ionization electrode designed for use in NTI condensing boiler systems. Also referenced as part number 6008276201, this component is engineered to monitor burner flame presence during ignition and throughout system operation. HVAC technicians and boiler service professionals rely on accurate flame detection to keep heating systems running safely and efficiently. The 82762 includes part number 82774 and is built as a direct-fit replacement for failed or worn flame sensing components in compatible NTI boiler units.
A flame sensor, also called a flame rod, flame probe, or ionization electrode, works by detecting the electrical current produced when a burner flame is present. The control board sends a small voltage through the sensor rod. When the rod is surrounded by flame, ionized combustion gases allow a small microamp current to flow back to the board. This signal confirms that ignition has occurred and that it is safe to keep the gas valve open. If the flame sensor is dirty, cracked, or failed, the control board cannot confirm flame presence and will shut the system down to prevent a dangerous gas buildup. This results in ignition lockouts, no-heat calls, and repeated system cycling. Replacing a faulty ionization electrode with a genuine OEM part like the NTI 82762 restores proper flame detection and eliminates false lockouts.
This part is suited for routine preventive maintenance as well as emergency replacement. It is manufactured to NTI specifications to ensure compatibility and reliable performance in condensing boiler applications. Technicians working on NTI boiler service calls, seasonal tune-ups, or no-heat diagnostics will find this a straightforward, direct-fit solution that restores full burner safety monitoring.
The NTI 82762 is a direct-fit OEM flame sensor and ionization electrode that restores safe burner operation in NTI condensing boiler systems. It includes part number 82774 and is the correct replacement for technicians resolving ignition lockouts or performing routine boiler maintenance.
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