Features： *A handy brass valve releasing pressure from hot and cold water. Valve should be installed vertically at the highest point on the and adjustest before use. *Brass vertical automatic vent valve is for hot and cold water pipeline to exclude air; *valve should be installed vertically at highest point in the piping . hot water heating installed in the piping should be at the end of top; *Pressure should be adjusted before use, it's forbidden to open the valve during installation and use *First install -way connector, then tighten the exhaust valve, loosen the small nut to ensure the smooth discharge of the gas. Specifications： *Pressure: 1.6MPa *Material: Brass *Colour: Gold *Approximate Dimensions Length: 61mm Diameter: 40mm Thread: 1/2" for BSP Package includes: 1x Pressure Release Valve Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. A handy brass valve releasing pressure from hot and cold water. Valve should be installed vertically at the highest point on the and adjustest before use. Brass vertical automatic vent valve is for hot and cold water pipeline to exclude air; valve should be installed vertically at highest point in the piping . hot water heating installed in the piping should be at the end of top; Pressure should be adjusted before use, it's forbidden to open the valve during installation and use First install -way connector, then tighten the exhaust valve, loosen the small nut to ensure the smooth discharge of the gas.Specifications：