I spoke with Al Brite, the sales man says he doesn't understand how the M137 can replace the M57, he says the 57 has an internal ignitor but the 137 doesn't and the add on ignitor has different characteristics. He doesn't recommend the change. That being said, the prices are out of this world reasonable. M137 is $79 with everything, including a couple mounting brakets etc.. if I wanted to go to the 250watt the M58 is $65 again, everything included.
I guess I've got some thinking to do.
Doug
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