Thermo-manometer Boiler Temperature & Pressure Gauge 0-120 0-10 Bar Mearsuring Range-Fitting- for Floor Heating System M4YD _x000D_ Features: _x000D_ Easy to install._x000D_ Pressure rating 0-10 bar._x000D_ Temperature rating 0-120C._x000D_ Suitable for floor heating system._x000D_ When installation, please do not use hand move header straight line wire (pressure gauge movement, silk, table light, on the same line, by hand pull (header rotation, due to the uneven can cause pressure gauge structure deformation, damage effect use effect and internal structure or old direct damage of rings, please outside a wrench._x000D_ _x000D_ _x000D_ Specifications: _x000D_ Material:Plastic_x000D_ Diameter:Approx.10cm/3.93inch_x000D_ Thread: G1/4_x000D_ Diameter of external thread: 12.50.3mm_x000D_ Diameter of internal thread: 11.50.3mm_x000D_ Pressure range: 0-10bar_x000D_ Temperature range: 0-120_x000D_ _x000D_ _x000D_ Package Includes: _x000D_ 1x Temperature Pressure Gauge_x000D_ _x000D_ _x000D_ Note: _x000D_ 1. First find the mounting hole of the water distributor and measure the size of the internal thread with calipers._x000D_ 2. Determine whether a thermometer can be installed, and then use a wrench to tighten the thermometer to observe the pressure and temperature._x000D_ Thanks for your understandings._x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_