sam2010 发表于 2016-5-31 11:280 |7 F# r( C! y
it depends on the capacity of the furnace.) a0 y5 ]/ \. V* E, X
a furnace with 3000 cfm blower, 100mbh or above gas inpu ...
1 A8 k7 |; r2 x" G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? # ]! q, N" r; g y! i/ a2 i