Replacement for 1000797 USHIO Halogen - T3.5 Shape PK22S Base 55W 24V with Clear Finish

When the lamp in your commercial, medical, and specialty halogen lighting application reaches end of life, this compatible replacement for the 1000797 by USHIO gets you back up and running. It matches the original at 55W, 24V, T3.5 form factor with a PK22S base for a direct fit.

This lamp delivers bright, consistent output with the accurate color rendering that retail, hospitality, and residential settings depend on. Its tungsten-halogen design keeps the envelope clean throughout the lamp's rated life, preventing the gradual dimming seen in standard incandescent sources. It provides the instant-on performance and smooth dimming that modern lighting applications require.

Key Features & Benefits

• Fits standard PK22S base sockets for straightforward replacement.
• T3.5 form factor with clear finish for controlled light output.
• Operates at 55W, 24V to match standard low-voltage circuits.

Product Specifications

• Wattage: 55W
• Voltage: 24V
• Base Type: PK22S
• Bulb Shape: T3.5
• Finish: Clear Finish
• Condition: Brand New

Common Applications

This halogen lamp is commonly used in:

• Commercial and retail display lighting
• Architectural cove and accent installations
• Office and workspace general illumination
• Residential decorative and task lighting
• Landscape and low-voltage outdoor fixtures

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.