Beckett AF53XN 5-3/8" Air Tube Combination with F3 Head

IMPORTANT SAFETY WARNING: This product must be installed by a qualified and licensed contractor using properly calibrated combustion test equipment. Failure to adhere to this requirement may result in significant property damage, serious personal injury, or death.

Note: This product is an air tube combination that includes the nozzle line electrode assembly and fixed retention head. Oil nozzles are sold separately. Please refer to the manufacturer's Retention Head Selection Chart for precise applications.

The Beckett AF53XN is a complete 5-3/8" air tube combination designed to optimize performance in Beckett AF and AFG series residential oil burners. It features a 4-inch diameter pre-drilled steel tube and a self-centering nozzle line electrode assembly that precisely delivers oil and high-voltage electricity. The integrated 2-3/4" static plate evens out airflow, while the one-piece F3 flame retention head provides highly stable, intense combustion that can increase efficiency by up to 35%.

• Part Number: AF53XN
• Product Type: Air Tube Combination
• Useable Length: 5-3/8" (Overall Length: 5-7/8")
• Retention Head: F3 Flame Retention Head
• Firing Range: 0.75 to 1.25 GPH
• Static Disk: 2-3/4"
• Air Tube: 4" diameter steel, pre-drilled for attachment to burner chassis and retention head
• Compatibility: Fits Beckett AFG (B2007) and AF (B3001) burner chassis

Most in-stock items ship within 1–3 business days. Once shipped, you will receive a confirmation email with tracking. Special-order items or items shipped from partner warehouses may require additional processing time. Orders ship via UPS or USPS depending on the item and destination. If you need a specific carrier, please contact us before placing your order.