Originally Posted by Fishead

This...bulb 900100915 is very difficult to find an LED equivalent with respect to it’s shape (post height) and twist lock size on Amazon etc.

Any recommendations?

I’ve read through almost all 110 pages of HVAC swap thread. Lots of info on LED but much of discussion seems to have started almost 10 years ago with ppl soldering raw leds and making things work. Now there is a mind-numbing multitude of these led’s available on Amazon etc. but neo wedge 3-4 are now being called T3 T4.2 / T5 T10 and so on...with basically zero reference to the replacement oem part numbers. Even the superbrightleds.com do not have the tall post.

Can anyone clarify how they complete led swaps for this particular bulb?

Thanks in advance!

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