Beckett Igniter SF104FT Air Tube 321042-401 Upgrading requires verifying that the

Upgrading requires verifying that the existing circuit breaker and wire gauge (AWG) can handle the increased amperage

As a veteran-grade HVAC transducer

fitting most pressure vessel protection and continuous bypass relief needs

Key Benefits Direct OEM Interchange: Standardized fit for 40051 and 40193

Engineered for durability in both light commercial and residential air handlers

Beckett Igniter SF104FT Air Tube 321042-401 Upgrading requires verifying that theThe Beckett Igniter SF104FT Air Tube is an essential OEM replacement component designed for high capacity SF series oil burners. Featuring a 10 1 2 inch usable length, this air tube combination is engineered to support a broad firing range of 2. 5 to 5. 5 GPH, ensuring precise combustion air delivery for industrial and heavy residential heating applications. As a genuine Beckett burner part, the SF104FT maintains the critical concentricity between the