Suburban Furnace Gasket 071263 (Burner Access Door) SF Series 525031 Compatibility: Suburban Furnace SF-20 / SF-25 / SF-30 / SF-35 / SF-42/ SFV-20 / SFV-25 / SFV-30 / SFV-35 / SFV-42 Type: Furnace Burner Access Door Gasket Features Limited 90 Day Warranty