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ViewSonic PG705HD projector lamp module with 310W bulb in housing

ViewSonic

ViewSonic PG705HD RLC-117 Projector Lamp 310W

SKU CH-124F-GPBJT

Replacement lamp module with 310 W bulb and housing rated for 4,000 hours standard or 15,000 hours economic mode

  • Power rating310 W
  • Lamp lifespan4000 hour(s); Lamp Life Cycle (Economic Mode) : 15000
  • Ready to install with pre-assembled bulb and housing
  • 310W bulb matches original projector specifications
  • 4000 hours standard lamp life for extended use
  • 15000 hours in economic mode reduces replacements
  • Manufactured to ISO9001 quality standards for reliability

ViewSonic PG705HD Replacement Lamp

The ViewSonic PG705HD RLC-117 projector lamp is a complete module with a 310W bulb pre-assembled in its housing. It is designed for users who need a direct, ready-to-install replacement for a ViewSonic projector. No separate bulb handling or alignment is required.

Practical Lamp Life Limits

Standard operation delivers a rated life of 4000 hours. Switching to economic mode extends the usable cycle to 15000 hours, reducing the frequency of replacements. Brightness will gradually decline as the lamp approaches these limits, and the projector will eventually indicate that a new module is needed.

Straightforward Installation and Common Issues

The fully assembled housing allows a quick swap without tools in most ViewSonic models. Problems typically arise if the lamp door interlock switch is not fully engaged after fitting, which prevents the projector from powering on. Resetting the lamp timer in the menu is essential to track the new module's hours accurately.

How it compares

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

Price $110.99
Pricier than about 61% of the 9,513 comparable items (median $99.99).
Power rating 310 W
Higher than about 90% of the 8,831 comparable items (median 215 W).

Specifications

Product
Brand nameViewSonic
Display
Lamp lifespan4000 hour(s); Lamp Life Cycle (Economic Mode) : 15000
Power
Power rating310 W

Questions about this item

Which version of the PG705HD lamp should I choose?

Three OEM versions are offered: the original bulb manufacturer's lamp, the same lamp sold by ViewSonic, and an alternative OEM bulb maker's lamp. A compatible version using genuine OEM parts is also available.

What does the 310W rating mean once the lamp is installed?

The projector will draw 310 watts to power the bulb at full brightness, delivering the rated output for up to 4000 hours in normal mode.

What standard governs the lamp's manufacture and what does it cap?

Each lamp is built to ISO9001 quality standards, which cap consistency of beam performance, ignition, voltage, appearance, connections and run-time.

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