Brass Boiler Valve 1 Inch DN25 Exhaust Safety Pressure Relief Valve and Pressure Gauge Boiler Safety Components Brass boiler valve Safety pressure relief valve Pressure gauge boiler Brass exhaust valve Safety pressure relief pot Furnace valve Name: Brass exhaust valve Caliber: 1 inch Pressure relief value: 3bar Colour:yellow Material:copper Package Contents: 1*Brass exhaust valve Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.