Description

NTI 83870 Dual Spark Ignitor – OEM Ignition Electrode with Gasket (3/16–1/4" Gap).
Product Overview
The NTI 83870 Dual Spark Ignitor (Part No. 6008387001) is an OEM ignition electrode assembly engineered for stable, reliable burner ignition in NTI high-efficiency condensing boilers. This dual-probe design delivers strong spark performance for fast flame establishment and dependable boiler operation. The kit includes the NTI 82774 graphite gasket for proper combustion-chamber sealing.
Features & Benefits
- OEM NTI dual spark ignitor for high-efficiency boiler systems
- Dual electrode rods provide strong, consistent ignition
- Includes NTI 82774 graphite gasket
- Adjustable spark gap of 3/16" to 1/4"
- Durable ceramic insulator for high-temperature reliability
- Restores proper ignition performance and reduces burner lockouts
Specifications
- Part Number: 83870 / 6008387001
- Electrode Type: Dual spark ignitor
- Spark Gap: 3/16" to 1/4"
- Includes: Dual ignitor assembly and NTI 82774 gasket
- Insulator Material: High-temperature ceramic
- Alternate Part Numbers: 83870-1
Installation Tips
- Disconnect boiler power before replacing the ignitor.
- Always install a new gasket (included) for proper sealing.
- Avoid handling electrode tips with bare hands.
- Verify spark gap and alignment during installation.
- Run an ignition cycle to confirm proper operation.
FAQs
What does the dual spark design improve?
It enhances ignition strength and flame stability.
Is the gasket included?
Yes, the NTI 82774 graphite gasket is included.
Is this an OEM part?
Yes, it is a genuine NTI factory replacement.
What issues does it fix?
Ignition delays, flame-establishment issues, and burner lockouts.
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