Features:Pressure rating 0-10 bar Temperature rating 0-120C 2 stard for your option: 1/8/1/4-inch Suitable for floor heating system When installation, please don'for t use h moving header straight- line wire (pressure gauge movement, silk, table light, is on the same line, by h pull (header rotation-, due to the uneven can cause pressure gauge structure deformation, damage effect use effect internal structure or old direct damage of ring, please outside a wrench Package Includes:1x Temperature Pressure Gauge Specifications:Material: palstic Thread: 1/8/1/4-inch(optional)Diameter of external thread: 9 50 2mmDiameter of internal thread: 8 80 2mmPressure range: 0-10barTemperature range: 0-120Installation of the home water distributor-1 First find the mounting hole of the water distributor- measure the size of the internal thread with calipers2 Determine whether a thermometer can be installed, then use- a wrench to tighten the thermometer to observe the pressure temperature note:Please allow 1-3cm error due to manual measurement pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item