sam2010 发表于 2016-5-31 11:28( \, ]' I* |3 G9 @/ w: a5 \" b- ~
it depends on the capacity of the furnace. " P f0 M8 `3 @) Oa furnace with 3000 cfm blower, 100mbh or above gas inpu ...
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谢楼上的专业解答,你说的跟cmf blower跟那个什么BTU有什么关系吗?' z0 x/ o8 a7 \: ?* @! m/ {' g