Viewsonic PJ1172 projector lamp
The Viewsonic PJ1172 takes lamp 78-6969-9718-4, a 310 W lamp rated for 2,000 hours. It comes as a complete module, with the bulb already fitted in its housing.
The code printed on your old lamp or its housing should match one of the codes listed above. Viewsonic and third-party suppliers sell the same lamp under several numbers.
The model number is on a label on the base or rear of the projector, and in the on-screen menu under Information. Still unsure? Send a photo of the old lamp and we'll confirm the match.
Which lamp does the Viewsonic PJ1172 take?
The Viewsonic PJ1172 uses 78-6969-9718-4, also sold as 456-8935, 456-8942, 78-6969-9719-2, DT00591, DT00601, PRJ-RLC-011.
Should I buy the bare bulb or the module?
This model's lamp is sold as a complete module: the bulb comes fitted in its housing, so you replace the whole unit in one piece.
How long does the PJ1172 lamp last?
78-6969-9718-4 is rated for 2,000 hours at 310 W. Actual life depends on the lamp mode you run and how the projector is ventilated.
Does the same lamp fit other Viewsonic projectors?
Yes. The same lamp also fits the Viewsonic PJ1165.