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ViewSonic PJ1173 projector lamp module with 275W Ushio UHB bulb in housing

ViewSonic

ViewSonic PJ1173 Projector Lamp 275W Ushio UHB

SKU CH-S2XZ-TFPW9

Genuine Ushio 275 W UHB lamp in a pre-assembled housing delivers 2,000 to 3,000 hours of rated life for ViewSonic projectors

  • Power rating275 W
  • Lamp lifespan2,000 (Normal) - 3,000 (Economy) Hrs.
  • Product typeProjector Lamp
  • Ready-to-install module with bulb and housing
  • 275W Ushio UHB lamp delivers 2000 normal hours
  • Economy mode extends life to 3000 hours
  • OEM replacement matches ViewSonic DT00871 specification
  • Manufactured to ISO 9001 quality standards

Ready-to-Install Lamp Module

The ViewSonic PJ1173 is a complete 275W projector lamp assembly that includes a new Ushio UHB bulb pre-mounted in its housing. It arrives ready for immediate installation in compatible ViewSonic projectors without additional assembly. The module is manufactured to ISO9001 quality standards and supplied in new condition.

Restores Original Brightness

This lamp replaces a depleted or dimming original module and returns the projector to its factory light output. The Ushio UHB bulb is rated for 2000 hours in normal mode and 3000 hours in economy mode, so the upgrade is worthwhile when the existing lamp has reached or exceeded those limits. It suits users who need consistent image quality for presentations or home viewing.

Fits Compatible ViewSonic Projectors

The PJ1173 module slots directly into the projector's lamp compartment and connects to the existing power connector, requiring no extra cabling or adapters. It frees the user from sourcing a bare bulb and separate housing, simplifying maintenance. Buyers who need a different wattage or a bare bulb without housing should verify their projector's exact requirements before ordering.

How it compares

Measured against everything we stock in Replacement Projector Bulbs, at today’s prices. Recalculated every night.

Price $113.99
Pricier than about 63% of the 9,513 comparable items (median $99.99).
Power rating 275 W
Higher than about 80% of the 8,831 comparable items (median 215 W).

Specifications

Product
Brand nameViewSonic
Product typeProjector Lamp
Display
Lamp lifespan2,000 (Normal) - 3,000 (Economy) Hrs.
Power
Power rating275 W

Questions about this item

Does the PJ1173 lamp module include the housing so it fits straight into the projector?

Yes, the module is a fully assembled 275W Ushio UHB bulb inside its housing, ready to slot into compatible ViewSonic projectors without extra parts.

What is the installation step people most often miss when fitting the PJ1173 lamp?

After sliding the module in, the securing screw must be tightened and the lamp-hour counter reset through the projector menu, otherwise the replacement warning stays on.

How many hours can I expect from the Ushio UHB 275W bulb before replacement?

The lamp is rated for 2000 hours in normal mode and up to 3000 hours in economy mode before a new module is needed.

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