Model Number LH680005 740A gas furnace pilot burner assembly for many gas furnace models from top brands such as Bryant, Carrier, Day & Night, Payne, and others May be needed to address issues with gas furnace failing to ignite, failing to heat, failing to heat properly, or failing to start Suitable for use with systems that utilize hot surface igniters or spark igniters Gas Furnace Pilot Burner Assembly LH680005 740A with 3 Wire SPDT Safety Ignition Switch