Lennox 98P77 silicon carbide hot surface ignitor is a reliable OEM replacement component designed to deliver fast, consistent ignition for compatible gas furnaces. Built from durable silicon carbide, this ignitor heats rapidly to ensure dependable burner ignition while maintaining long service life under repeated heating cycles. It features a 5.25 inch lead with a receptacle connection and 0.093 inch male pins, making it a direct replacement for R/S 41-405 without modification.

This ignitor is commonly used in residential and light commercial HVAC systems where precise ignition timing and durability are critical. Using an OEM Lennox ignitor helps maintain factory performance, system safety, and proper combustion characteristics.

 

Product overview:

The Lennox 98P77 hot surface ignitor is engineered to meet original equipment specifications. The silicon carbide element provides rapid warm-up and stable ignition, helping reduce ignition failures and service callbacks. Designed for straightforward installation, it restores reliable furnace operation when replacing a worn or failed ignitor.

 

Key features:

• OEM Lennox replacement hot surface ignitor
• Durable silicon carbide construction
• 5.25 inch lead length with receptacle connection
• 0.093 inch male pin terminals
• Direct replacement for R/S 41-405
• Designed for consistent, reliable furnace ignition

 

Applications:

• Compatible Lennox gas furnaces
• Residential and light commercial HVAC systems
• Replacement for failed or intermittent ignitors