sam2010 发表于 2016-5-31 11:28# v& [( d0 L2 K$ ]1 K; H( F9 E' ^
it depends on the capacity of the furnace.9 Z9 I7 S0 l' d8 V
a 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?& g3 O! A- I6 I! R" G2 U