Brass Radiator Air Vent Valve Radiator Plug 1/2" 3/4" Introduction The radiator air vent, or air valve (also called a steam vent or steam valve), is used only in one-pipe steam boiler systems. It is usually located on the end of the radiator opposite the ...
Brass Radiator Air Vent Valve Radiator Plug 1/2" 3/4" Introduction The radiator air vent, or air valve (also called a steam vent or steam valve), is used only in one-pipe steam boiler systems. It is usually located on the end of the radiator opposite the ... more