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 bi-polar needlepoint ionization for continuous air treatment
Universal input voltage: 24 to 240 Vac, 50/60 Hz (power supply ~10 VA indicated)
Designed for residential duct systems up to 6 tons (2400 CFM) with universal magnetic mounting
Product Highlights
Self-cleaning in-duct ionization generator; universal 24 to 240 Vac input; compact dimensions suitable for residential HVAC ducts
Product Information
Standard Information
Brand: NU-CALGON
Manufacturer Part Number: 4900-20
Technical Specifications
Brand
Nu-Calgon
Manufacturer Part Number
4900-20
Model Name
Wave
Type
Self-cleaning bi-polar ionization air purifier / ion generator
Input Voltage
24 to 240 Vac
Frequency
50/60 Hz
Power Consumption
10 VA (approx.)
Air Flow Capacity
2400 CFM
Treatment Capacity
Up to 6 tons (2400 CFM)
Dimensions
9 x 6 x 4 inches
Temperature Rating
-40 to 160 F
Mounting Type
Universal mounting with magnets
Certifications
UL, cUL; validated to meet UL 867 ozone requirements