Replacement Light Bulb for HPW125WT - 125W ED23 E26 Base

Replacement for HPW125WT 125W ED23 mercury vapor light bulb. This part matches the original form factor and electrical requirements for continued operation in compatible fixtures. Mercury vapor lamps like this one deliver strong illumination through an electric arc in mercury vapor, making them suitable for environments that demand consistent high-output lighting over extended periods. Users often select this replacement to avoid downtime in commercial or industrial settings where the original lamp has reached the end of its service interval. The design ensures seamless integration without requiring fixture modifications, preserving the performance characteristics expected from the OEM component.

Key Features & Benefits

Selecting the correct replacement lamp supports uninterrupted workflow and maintains safety standards in large spaces. The 125 watt power rating aligns precisely with equipment specifications to prevent electrical mismatches. Its ED23 shape allows proper positioning inside existing housings while the E26 medium screw base provides stable electrical contact. A rated life of 1000 hours helps facilities plan maintenance cycles effectively. The blue and black finish matches the appearance of the original lamp for visual consistency across installations.

Product Specifications

• Watts: 125
• Shape: ED23
• Base: E26 MEDIUM SCREW, 1-INCH DIAMETER (E27)
• Life: 1000
• Bulb Finish: BLUE/BLACK
• Replaces OEM: HPW125WT

Replacement Compatibility

Compatible with multi-application fixtures requiring 125W ED23 mercury vapor lamps with E26 base including industrial and commercial lighting systems originally using HPW125WT. Proper installation involves verifying that the fixture supports mercury vapor technology and confirming the base type before inserting the new lamp. Regular inspection of sockets and wiring can extend overall system longevity when paired with this replacement. Operators should allow adequate cool-down time before handling to ensure safety and preserve lamp integrity during service procedures.

Discover the Perfect Replacement

Browse the full selection of matching replacement parts to identify the correct component for your specific equipment model and restore original operating performance. Understanding the operating principles of mercury vapor lamps helps operators recognize when a replacement is necessary, such as reduced brightness or flickering. This knowledge supports proactive maintenance that keeps facilities well lit and productive. Long-term use of quality replacements contributes to stable energy consumption patterns and consistent illumination levels that meet workplace requirements. Attention to storage conditions prior to installation further protects the lamp from damage that could affect performance once placed into service.

During the checkout process, you can choose from expedited services such as overnight delivery to standard ground shipping. We aim to ensure your order is delivered promptly and reliably, wherever you are.

All returns must be made within 30 days of purchase with the invoice. (After 30 days, Interlight credit only, Minimum 25% restocking fee, no returns after 60 days, special items order just for you are not returnable.)

At Interlight, your satisfaction is our priority. We offer a 30-day money-back guarantee on eligible products, provided they are returned in resalable condition with the original invoice.