sam2010 发表于 2016-5-31 11:284 A! N7 G9 ?; y. W" @8 D; o
it depends on the capacity of the furnace. - g3 ^3 G" f5 g1 ?0 Va 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? / A M( x: t$ {