Viewsonic PA503HD Replacement Projector Lamp With Original Bulb InsideBring your ViewSonic PA503HD back to full brightness with this original replacement lamp and housing. The genuine 240 watt OEM bulb drives up to 4,000 lumens of clean, accurate light and is rated for a generous 4,000 hours, well suited to bright classrooms and conference rooms. Pre seated in a precision housing, it installs as a single drop in module. Fits: ViewSonic PA503HD.

As an authentic replacement part for Heil Quaker/ICP systems

The powerful 400-watt OEM bulb restores the bright

Durable construction with high-quality materials for long life

it resists wear and delivers a consistent arc for dependable starts

Exact-fit replacement for Honeywell Home HE260/HE265/HE360/HE365 humidifiers

and HDC100 gas-fired unit heaters and supports single-stage operation for efficient heating

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Bring your Proxima projector back to full brightness with this original LAMP-017 replacement lamp and housing

AC-operated relay uses a 24 Volt AC coil at 50/60 Hz to deliver precise switching in standard Rheem furnace systems

compatible with S8600F/S8600H/S8600M/S8610F/S8610H/S8610M/S8610U/S8660D/S8660E/S8670D/S8670E

End connections: flange x threaded

and quality for critical installations