sam2010 发表于 2016-5-31 11:28! y1 k A, V9 X8 ~8 S: V* H" x
it depends on the capacity of the furnace., A |! P* a4 k4 |, {
a furnace with 3000 cfm blower, 100mbh or above gas inpu ...
# H. c& F$ Y- a! z z' I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? 7 h3 s$ B8 K1 r0 z! c* k# Q