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Nu-Calgon 4900-20 is a Wave air purifier/ionizer replacement part for residential duct HVAC systems. The unit employs needlepoint bi-polar ionization with a patent-pending self-cleaning design and operates on universal input voltage. It is intended for in-duct treatment of supply air, reducing airborne particles, odors, and contaminants while requiring no consumable parts.
Self-cleaning in-duct ionization generator; universal 24 to 240 Vac input; compact dimensions suitable for residential HVAC ducts
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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