Forum Discussion
ktmrfs
Feb 25, 2021Explorer II
MEXICOWANDERER wrote:
Jeezo
High current starting
Split phase
Most of the higher efficency gas furnaces (>75% or so) have gone to variable speed digital controlled motors. starting currents are way down from the old single or two speed split phase used in past years.
So.... depends on how new your furnace is.
On our furnace with variable speed fan and two stage gas total running current varies between 250W and 695W depending on fan speed, 1st or 2nd stage gas and static pressure. Don't know what the starting current is.
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