• Ø 34 mm
• Handle rotation 330°
                      • Plant pressure range 1-10 bar (recommended static pressure
                      • from 1-5 bar)
                      • Recommended temperature range from
15° C to 65° C
                   • Recommended temperature differential 50° C
                      • Safety system in case of cold water lack
                      • Building material:
                      - high performance thermoplastic materials
                      - low lead brass stem
                      - stainless steel inlet filters
                      • Opertion:
                      - gas heaters
                      - electric storage heaters
                      - centralized installations
                      - wall-mounted modulating  heaters
 • Designed to be comply to:
o EN1111
o NF 077/04
                  
• Fixing device grub screw: max torque 3.5 Nm
• Interchangeable with ST127 metal cartridge
                      
                      Information related to flow-rate and noise with the various resistances have to be measured from time to time with tap where the cartridge must be used.
 • Customizable stem
                     • Special brass alloy stem construction
          • Factory’s setting at different temperatures
          • Chrome plated handle with base ring and safety knob
          • Handle end stop ring
          
      
Thermostatic cartridges are calibrated at the factory at 38°C ±1°C with a temperature differential of 50°C and 3 bar hot and cold water pressure. A new calibration is required in case of different values.
Dimensional features, technical data and optionals may change without notice as STSR carries on a constant activity of research, evolution and adaptation to the rules requirements of its products.