Beckett Igniter 2433 Coupling

The Beckett 2433 Pump Coupling is a critical mechanical link designed for high-performance Beckett oil burners, specifically engineered to connect the drive motor to the fuel unit. This Small "S" type coupling features a 5/16" pump shaft bore and a 1/2" motor shaft bore, providing a precise, non-slip interface that ensures consistent torque transfer. Technicians frequently utilize the Beckett 2433 in standard maintenance for CF500, CF800, SR, and SF burner series to resolve burner motor vibration and coupling slippage. Measuring approximately 2-13/16 inches in total length, this direct replacement oil burner part prevents common mechanical failures by maintaining shaft alignment between the oil burner motor and the pump. When diagnosing a no-heat call or a noisy burner, checking the internal splines and "D" shaped holes for rounding is essential; the 2433’s durable construction resists the high-torque stresses of cold starts. This pre-assembled unit streamlines HVAC pump motor coupling installation, ensuring the fuel unit reaches operating pressure quickly and reliably.

• OEM Compatibility: Specifically designed for Beckett SR, SF, SM, and CF burner models, ensuring a precise fit without field modifications.
• Vibration Reduction: The Small "S" design absorbs minor shaft misalignments, reducing mechanical noise and extending the service life of bearing assemblies.
• Durable Torque Transfer: Engineered with wear-resistant materials to prevent the "D" hole stripping common in generic oil burner couplings.
• Standardized Sizing: Features a 5/16" A pump shaft end and 1/2" motor end, matching industry-standard Beckett burner parts specifications.

• How do I know if my Beckett coupling needs replacement? Inspect the plastic ends for rounding or stripped splines. If the motor is spinning but the pump is not delivering fuel, the Beckett 2433 is often the point of failure.
• Is this coupling compatible with CleanCut pumps? Yes, this 5/16" coupling is suitable for various fuel units, provided the shaft dimensions match the motor and pump configurations.
• What causes these couplings to fail? Excessive pump load, motor seized conditions, or high-viscosity fuel during cold starts can stress the coupling. Regular inspection during annual service is recommended.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.