✅ This item is normally regularly stocked. Shipping times may vary depending on availability. Please contact us to confirm stock and shipping times. You will receive tracking details once the item has shipped.
Description
Hallett GD40 UV Ballast for Hallett 13 & 30 Systems (Replaces X100010 / GA29)
The Hallett GD40 UV ballast is the factory-specified power regulation component for Hallett 13 and Hallett 30 UV disinfection systems, used in both drinking water and wastewater applications. This genuine OEM ballast replaces the previous X100010 and GA29 part numbers. If you're holding one of those older units, the GD40 is its direct successor.
A failing ballast typically shows as lamps that won't start, flicker at startup, run dimmer than normal, or cause the whole system to fault out. Replacing the ballast restores proper electrical regulation to the UV lamp and keeps your disinfection dose on spec.
Key Features of Hallett GD40 Ballast
Genuine OEM Part
Made specifically for Hallett 13 and Hallett 30 systems, ensuring compatibility and reliable performance as a trusted OEM UV replacement part.
UV Disinfection
Essential component for maintaining the efficiency of your UV disinfection system, protecting drinking water and wastewater from harmful microorganisms in UV water treatment systems.
High-Quality Construction
Built to OEM specifications for durability and long-lasting performance as a dependable UV Pure replacement component.
Easy Installation
Straightforward replacement process, minimizing downtime and maintaining system efficiency for Hallett UV system maintenance.
Former Part Numbers:
• Previous Part #X100010 / GA29
Hallett GD40 13 & 30 UV Ballast Specifications
| Specification | Details |
|---|---|
| Product Name | Hallett GD40 UV Ballast |
| Part Number | GD40 |
| Type | Genuine OEM UV ballast replacement |
| Compatible Systems | Hallett 13 and Hallett 30 |
Why Replace a UV Ballast?
A failing Hallett ballast replacement can lead to lamp startup issues, flickering, reduced UV output, or complete system shutdown. Replacing the ballast helps restore proper electrical regulation and dependable UV treatment performance.
Key advantages include:
- OEM compatibility
- Stable lamp operation
- Supports full UV output
- Suitable for wastewater systems
- Easy installation process
This makes it an essential maintenance part for long-term UV system performance.
Hallett GD40 13 & 30 UV Ballast Applications
This UV disinfection system ballast is ideal for:
- Residential drinking water systems
- Commercial water purification
- Wastewater treatment systems
- Preventive maintenance
- Replacement of faulty ballasts
Professionals and system owners who need an OEM replacement ballast for Hallett UV systems often choose this replacement part from the Hallett for its dependable fit. Its consistent performance makes it a trusted choice for maintaining reliable UV system operation.
Maintain Reliable UV Disinfection Performance with Hallett GD40 13 & 30 UV Ballast
If your system is experiencing lamp power issues or startup failures, the Hallett GD40 ballast from Cleanflow is an excellent Hallett ballast replacement solution. Replacing a worn ballast helps restore safe and consistent UV disinfection performance.
Buy now and keep your UV water treatment system running efficiently with dependable OEM-quality power control.
Frequently Asked Questions
What is the Hallett GD40 UV ballast replacement used for?
The Hallett GD40 UV ballast replacement is used to restore proper lamp power and startup function in compatible Hallett UV systems. It helps maintain safe, consistent UV disinfection performance for drinking water and wastewater applications.
Is the GD40 a direct replacement for the X100010 or GA29 ballast?
Yes. The GD40 is the current factory part number for the UV ballast used in Hallett 13 and 30 systems. It supersedes the previous X100010 and GA29 part numbers and is a direct replacement. No system modifications required. If your existing ballast is labeled X100010 or GA29, order the GD40.
Is this an OEM replacement ballast for Hallett UV systems?
Yes, this is an OEM replacement ballast for Hallett UV systems, specifically built for Hallett 13 and Hallett 30 models. It provides dependable fitment and long-term system reliability.
How do I install the Hallett GD40 UV ballast?
To install the Hallett GD40 UV ballast, first disconnect power to the system and remove the old ballast following the manufacturer’s instructions. The replacement is designed for easy installation, but professional servicing is recommended for safe and proper setup.
How to install Hallett GD40 UV ballast?
To install the Hallett GD40 UV ballast, first turn off the power supply and disconnect the UV system for safety. Remove the existing ballast, connect the new unit using the matching wiring configuration, and secure it in place before restoring power. For best results and safe operation, follow the manufacturer’s instructions or have a qualified technician perform the installation.
What are the signs my ballast needs to be replaced?
Common symptoms include lamps that fail to start, flicker or cycle on and off at startup, run noticeably dimmer than normal, trigger lamp-failure alarms even with a known-good lamp installed, or cause the system to shut down entirely. If you've ruled out the lamp itself (by swapping in a known-good one), the ballast is usually the cause.
Do I need an electrician to install it?
The GD40 is designed as a direct swap for the existing ballast. Disconnect power to the UV system, remove the old ballast, connect the new one using the matching wiring configuration, and restore power. This is within the scope of a competent maintenance technician familiar with UV system servicing. For facilities requiring licensed electrical work by policy, or if you're uncertain, have a qualified technician perform the installation.
✅ This item is normally regularly stocked. Shipping times may vary depending on availability. Please contact us to confirm stock and shipping times. You will receive tracking details once the item has shipped.















