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Originally Posted by Delphinus
If I could find a H37 that wasn't also a M58 then I'd just buy it to try it and settle the question in my mind once and for all. Oh well...  |
According to the Advance catalog, the following are H37 250 watt Mercury vapour ballasts
71A3502,71A3572,71A3592,71A35D2. the difference between the ballasts is whether they are single,tri or quad taps.