White-Rodgers F843-0500 Ionizing Wire

The White-Rodgers F843-0500 Ionizing Wire is a mission-critical replacement component designed for White-Rodgers and Electro-Air electronic air cleaners. This 18-inch tungsten wire carries the high-voltage charge necessary to ionize incoming airborne particulates, ensuring they are effectively trapped by the collector cells. Built to OEM specifications, the F843-0500 features a 0.010-inch wire diameter and non-magnetic stainless steel eyelets (1/8-inch ID) for a secure, arcing-resistant connection within the cell frame.

For contractors servicing SST, UST, CSC, and SSC series models, maintaining proper wire tension and cleanliness is vital for system efficiency. Brittle or snapped wires lead to a total loss of ionization, causing bypass and premature loading of secondary filters. This genuine White-Rodgers part ensures the collector cell operates at its peak electrostatic precipitation capacity, removing contaminants as small as 0.3 microns including smoke, dander, and pollen. Always verify the center-to-center eyelet measurement of the existing ionizing wire before installation to ensure compatibility with 20-inch tall cell housings.

• Optimized Filtration: Restores the high-voltage corona field required to charge and capture micro-particles.
• Durable Construction: High-tensile 0.010" tungsten wire provides superior heat resistance and longevity in high-ozone environments.
• Precision Fit: Features 1/8" stainless steel eyelets for direct compatibility with White-Rodgers collector cells.
• OEM Performance: Eliminates the common arcing and snapping issues associated with generic, poorly tensioned replacement ionizing wires.

What are the symptoms of a broken ionizing wire?
If you notice a lack of the "snapping" sound during heavy particulate loads or see the "cell dirty" indicator light remain off while the blower is running, a snapped ionizing wire is often the culprit. Visual inspection will reveal a sagging or severed wire within the ionizer section of the cell.

Are these wires compatible with all SST models?
The F843-0500 is specifically sized for 20-inch tall cell units (measuring approximately 18.1" to 18.5" eyelet-to-eyelet). Always measure your existing run to ensure you aren't using the shorter 11-inch or 13-inch variants.

How often should ionizing wires be replaced?
While not a consumable like a pre-filter, these wires should be inspected during every maintenance cycle. Excessive cleaning with harsh chemicals or physical trauma during cell washing can weaken the tungsten, necessitating a replacement to maintain AEO standards.

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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.