Grant's Vortex oil-fired condensing boilers are available in internal, external, combination, boiler house and wall hung models with HVO biofuel ready models.
"Manufacturers of Oil Burners, Oil Fired Air Conditioning Systems and Boiler Burners, Oil Fired Water Heaters and Gas Fired Air Conditioning Systems." The flyer offered details on: "General Types of Equipment, Characteristics of Oil burners, Tempered-Aire Unit, Gas Fired Tempered-Aire, Model R B...