Micro-Flow Element Filter Cartridge, for 1A-25

F10-48 Westwood Engineering Oil Filter Cartridge

The Westwood Engineering F10-48 Oil Filter Cartridge is a professional-grade replacement filter element designed for use in standard fuel oil filtration assemblies. Constructed from high-density felt and engineered for consistent particle retention, the F10-48 ensures clean fuel delivery to oil-fired heating systems, burners, and pumps. The element provides efficient contaminant removal and reliable performance across multiple compatible filter models used in residential and light commercial heating applications.

Technical Specifications

• Manufacturer: Westwood Engineering
• Model Number: F10-48
• Product Type: Oil Filter Cartridge / Replacement Element
• Material: High-Density Felt Media (Compressed Fiber Construction)
• Micron Rating: Nominal 10–15 µm Filtration Efficiency
• Dimensions: 3/4 inch Inside Diameter x 2-3/4 inch Outside Diameter x 3 inch Length
• Operating Media: No. 1 and No. 2 Fuel Oil, Diesel, and Light Oil Products
• Operating Temperature Range: Ambient to 250°F (121°C)
• Flow Direction: Outside-to-In Filtration Path
• End Configuration: Open/Closed Ends with Center Hole
• Compatible Filter Models:
  • Autofill F-300
  • Federal A77
  • General 1A-25A
  • Sid Harvey XF-25 / 264
  • Unifilter 77
  • Westwood S-254
• Seal Type: Compression Fit (Standard Filter Housing)
• Application: Fuel oil filtration for heating system burners, pumps, and supply lines
• Compliance: Meets industry performance standards for oil burner filtration

Professional Notes

The Westwood F10-48 filter cartridge is designed for use by professional heating contractors and service technicians. It provides reliable contaminant control for oil-fired burner systems, maintaining clean fuel flow and protecting nozzles, pumps, and regulators from particulate fouling. The element should be replaced at manufacturer-recommended intervals or during routine service to maintain efficiency and prevent system restriction. Always ensure proper housing alignment, gasket seating, and leak testing after installation to maintain optimal system integrity.

Summary

The Westwood Engineering F10-48 Oil Filter Cartridge is a high-density felt replacement element measuring 3/4" ID x 2-3/4" OD x 3" L. Compatible with General 1A-25A, Unifilter 77, and equivalent filter models, it provides dependable 10–15 micron filtration for professional fuel oil heating system maintenance.