Ballast Assembly for UV-18

Field Controls 46365509 Ballast Assembly for UV-18 A replacement ballast assembly used with the Field Controls UV-18 UV air treatment system to power the UV lamp when servicing or restoring UV operation. Key Features: * OEM replacement ballast assembly for the UV-18 (listed as "Used With: UV-18") * Replaces prior part number 46365508 (per SupplyHouse listing) * Sold as a service replacement component for the UV-18 UV air treatment system Compatibility & Applications: * Listed for use with: UV-18 * Must only be used where the manufacturer specifies this exact part number: 46365509 Installation & Operation Notes: * Installation should be performed by a qualified HVAC service professional or experienced technician * Refer to the Field Controls UV-18 installation/service documentation for the approved replacement procedure and wiring/connection details * Safety and handling notes from Field Controls UV system documentation include disconnecting power before opening the unit, unplugging the ballast connection from the lamp during service, and avoiding UV-C exposure to eyes/skin; do not handle the lamp with bare hands (wipe/clean per the equipment instructions) Maintenance & Troubleshooting: * This part is commonly replaced when the UV lamp will not illuminate even after a lamp replacement * Q&A guidance indicates that when the lamp is known-good and correctly installed but does not light, the ballast is a likely remaining cause; follow the unit's service documentation for confirmation steps * If operation is not restored after replacement, continue troubleshooting per the UV-18 documentation (power supply, connections, and related components) User Reviews & Q&A Summary: * Common review themes: correct OEM replacement that restores UV operation (often after a new bulb did not solve the problem), with many describing it as an easy swap and working immediately * Installation feedback is mostly "plug-and-play," but a recurring note is that some replacements may require minor wiring/connector work (e.g., splicing or adapting connectors) depending on the existing setup * Buyers frequently mention good value compared with other sources and positive fulfillment (arrived quickly, well packed) * Q&A themes: replacement is generally described as straightforward if power is disconnected; one response notes the ballast is rated only for use with the Field Controls UV-18 assembly, and return eligibility is tied to the part being unused