Profile: Power Plus specializes in replacement tube bundles and heat exchangers, condensate pumps and boiler feed pumps. We carry a wide variety of industrial style glass such as high pressure gage glass clear, high pressure red-line gage glass, heavy wall gage glass, macbeth and klinger gage glass, white box in various sizes, grafoil & cushion gaskets & mica shields, plates & circles, annular edge gage glass and flat glass sight kits.