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GE Multi-Vapor R175 MVR

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greyrock:
Hello group, I picked up a GE Multi-vapor R175 bulb at a thrift store the other day, will it work in my GE Luminaire 100 or 150 HPS fixtures? Thanks!

joe_347V:
Unfortunately in most cases HID bulbs are ballast specific so you won't be able to operate a that Multi-Vapor bulb with a 100w or 150w HPS ballast.

The electrical characteristics are different enough. What you need to operate it is a M57 175w metal halide ballast. You can get them from lighting suppliers or for around $30 on eBay. The same ballast will also operate 175w mercury vapor bulbs too.

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