AF44XN BECKETT 4-1/2″ BLAST TUBE & NOZZLE LINE ASSEMBLY WITH F-3 HEAD
🔥 Product Overview
The AF44XN Beckett Blast Tube & Nozzle Line Assembly is a factory-configured oil burner component designed for Beckett AF-Series burners requiring an F-3 head and 4-1/2 inch usable blast tube length. This assembly ensures proper flame shape, air-fuel mixing, and reliable combustion performance in residential and light commercial oil-fired heating systems.
The AF44XN comes complete with the blast tube, nozzle line, electrodes, nozzle adapter, and Beckett 51400 Small Parts Package, making it an ideal replacement when servicing worn, damaged, or incorrectly sized burner assemblies.
⚠ Important Note:
This assembly does not include an oil nozzle. The correct nozzle must be selected separately based on the burner application.
✅ Key Features & Benefits
✔ Genuine Beckett Assembly – Factory-configured blast tube and nozzle line.
✔ F-3 Flame Retention Head – Designed for proper combustion performance.
✔ Complete Nozzle Line Assembly – Includes electrodes and nozzle adapter.
✔ Includes Beckett 51400 Small Parts Package – Simplifies installation.
✔ Optimized Flame Stability – Supports proper air and fuel mixing.
✔ Reliable Burner Operation – Helps maintain efficient ignition and combustion.
✔ Service Replacement Solution – Ideal for replacing worn or damaged burner assemblies.
📋 Specifications
| Specification | Details |
| Part Number |
AF44XN |
| Manufacturer |
Beckett |
| Product Type |
Blast Tube & Nozzle Line Assembly |
| Head Type |
F-3 |
| Firing Rate |
0.75 – 1.25 GPH |
| Static Plate Size |
2-3/4" |
| Usable Blast Tube Length |
4-1/2" |
| Overall Length |
6-3/4" |
| Tube Diameter |
4" |
| Fuel Type |
Oil |
| Includes |
Blast tube, nozzle line, electrodes, nozzle adapter, Beckett 51400 Small Parts Package |
| Nozzle Included |
No |
🔧 Common Symptoms This Part Fixes
• Poor or unstable flame pattern
• Delayed burner ignition
• Excessive soot or smoke production
• Improper air-fuel mixing
• Worn or damaged blast tube or nozzle line
• Reduced burner efficiency
Replacing worn blast tube assemblies helps restore proper combustion, ignition reliability, and burner performance.
❓ Frequently Asked Questions (FAQ)
Q: Does the AF44XN include an oil nozzle?
A: No. The oil nozzle must be selected and purchased separately according to the burner setup.
Q: What firing range is this assembly designed for?
A: The AF44XN supports firing rates from 0.75 to 1.25 GPH.
Q: What head type does this assembly use?
A: It includes a Beckett F-3 flame retention head.
Q: What is the usable blast tube length?
A: The usable blast tube length is 4-1/2 inches.
Q: What is the overall length of the assembly?
A: The overall length is approximately 6-3/4 inches.
Q: Are installation parts included?
A: Yes. The Beckett 51400 Small Parts Package is included.
🛒 Shopping Tips
✔ Verify your burner model and required blast tube length before ordering.
✔ Confirm the correct firing rate and head type (F-3) for your burner.
✔ Select the proper oil nozzle separately for your application.
✔ Inspect electrodes and nozzle line during service to ensure proper ignition.
✔ Replacing worn burner assemblies helps prevent soot buildup and ignition problems.