Features: Pressure rating 0-10 bar. Temperature rating 0-120°C. Available in standard sizes: 1/8-inch, 1/4-inch. Suitable for floor heating systems. During installation, do not manually rotate the header or straight-line wire. Avoid pulling by hand as uneven force may cause deformation of the pressure gauge structure, damage internal components, or harm the sealing ring. Use an external wrench for tightening. Specifications: Material: Plastic Thread Size: 1/8-inch, 1/4-inch (optional) External Thread Diameter: 9.5 ± 0.2 mm Internal Thread Diameter: 8.8 ± 0.2 mm Pressure Range: 0-10 bar Temperature Range: 0-120°C Installation Guide for Home Water Distributor: 1. Locate the mounting hole on the water distributor and measure the internal thread size using calipers. 2. Confirm compatibility for installation, then use a wrench to securely tighten the gauge to monitor pressure and temperature. Note: Please allow 1-3 cm error due to manual measurement. Ensure you are comfortable with this tolerance before purchasing. Due to variations in monitor displays, the image may not accurately represent the actual color of the item. Package Includes: 1 x Temperature Pressure Gauge