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