Inquiry (采购产品): Tech sapport Question concerning wheather I can change shive on a furnace with out voiding warranty issues, to get more CFM's **** Hidden Message ***** Curtis Thorn GreatFalls, MT 59401 USA Company: Wadsworth Plumping and Heating Title: Superintendent Phone: 406-761-5033 Fax: 406454-0046 E-mail: curt@wadsworth.com **** Hidden Message ***** curt@wadsworth.com
