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The WESTWOOD PRODUCTS f35-24 is a classic felt replacement oil filter cartridge with gasket, designed for use in standard fuel oil filtration systems. Built in a stacked-segment configuration from high-density classic felt media, the f35-24 delivers consistent particulate removal and stable fuel flow. It is an OEM-style replacement element suited for residential and light commercial oil-fired heating systems. Licensed oil burner technicians and HVAC-R service pros are the typical installers for this type of component.
The f35-24 is intended for use in fuel oil filtration assemblies commonly found in oil-fired boiler and furnace systems. It fits filtration housings designed for classic felt cartridge elements and includes a gasket to ensure a proper, leak-free seal at installation. This cartridge is appropriate for burner and oil transfer applications where particulate control and flow consistency are critical to system performance.
Designed as an OEM-style replacement cartridge for standard fuel oil filter housings that accept classic felt stacked-segment elements with a gasket.
Installation should be performed by a licensed oil burner technician or qualified HVAC service professional. Shut off the oil supply valve and de-energize the burner system before servicing the filter housing. Ensure the old gasket is fully removed before seating the new cartridge to prevent double-gasketing and leaks. Follow local fuel oil system service codes and the filter housing manufacturer guidelines during replacement.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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