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Posted by Dave Koda on December 30, 2009 at 12:42:36:
I have an 18 year old Weil Mclain EG-45 steam furnace with an intermittent electronic ignition system (PI).
My old furnace had a millivolt system that I kept because it saved my a-- many times when electrical power was lost. I thought the new system was the same or that I could convert it at any time by swapping the ignition systems and changing the wiring.
I guess there is more to this than I understand, but can I just put the millivolt on my current system?
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