sam2010 发表于 2016-5-31 11:284 [2 a6 f. c! `% u: W# p
it depends on the capacity of the furnace. " ~2 E2 B$ L* |( `a furnace with 3000 cfm blower, 100mbh or above gas inpu ...
- M; a' N2 o& ^# Q$ v& h7 M4 j1 a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? # z3 l, C) q! f# I8 Y+ G