Product Lines

Armstrong 'Concord' Oil Furnaces

Armstrong offers oil furnaces for multiple applications.  Armstrong oil furnaces are 80% efficient, foil-insulation lined, and come with a limited lifetime heat exchanger warranty as well as a 5 year parts warranty.  Northern Plumbing Supply stocks Armstrong lowboy (rear and front flue), highboy and counterflow oil furnaces as well as a full line of Armstrong repair parts.  To shop for Armstrong products at Northern Plumbing Supply, choose the Shop Now­ button in the upper right hand corner of the screen.  For more information you can follow the link below to the Armstrong website.