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The RGF phic-9c is a 9-inch standard output PHI (Photohydroionization) cell designed for use in air purification systems integrated into HVAC equipment. PHI cells use broad-spectrum UV light combined with a hydrated quad-metallic target to produce ionized hydroperoxides that reduce airborne contaminants in the conditioned air stream. This cell is a direct-install component replaced during routine service or system upgrades, and is typically handled by licensed HVAC technicians.
The phic-9c fits HVAC air handler and furnace applications where an in-duct PHI purification unit is already installed or being retrofitted. The square base configuration seats securely into compatible RGF field device housings. At 9 inches in length, this is the standard output variant suited to residential and light commercial duct systems requiring active air treatment without additional equipment modification.
Designed as an OEM-style replacement PHI cell for in-duct air purification units that accept a 9-inch square base cell configuration. Consult the host unit documentation to confirm cell size and base type before ordering.
Installation and replacement of PHI cells should be performed by a qualified HVAC technician. Always disconnect power to the air handler or purification unit before removing or installing the cell. Handle the UV lamp assembly carefully to avoid contact with the lamp surface. Follow the manufacturer's installation guide and any applicable local codes for indoor air quality accessories.
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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