sam2010 发表于 2016-5-31 11:28 9 S$ |. f/ V; ?5 l' V+ _it depends on the capacity of the furnace.- Z3 j/ [+ o6 l! I6 K& o' @' }
a furnace with 3000 cfm blower, 100mbh or above gas inpu ...
% @' q! r0 v* M- R' V7 c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? * g/ @ q7 K. M- a# n