Thermostatic head for series 158 (ZTTLA)


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The thermostatic valves automatically regulate the flow of hot water in the radiators according to the room temperature set on the control knob. The use of valves with thermostatic heads allows the requirements of thermal comfort to meet the needs of the user, thus obtaining significant savings in heating costs.



General Features: Manual control; Sensitive liquid element with built-in sensor; Compact size and attractive design; Low thermal inertia: 22 min; Temperature adjustment range: 6÷30°C; Economy condition: 20°; Antifreeze position 6°C; Maximum static operating pressure: 10 bar; Maximum operating temperature: 120°C; Maximum differential pressure: 1 bar; Control hysteresis at 20°C <0.4K; Sensor stroke 0.22 mm/K; Effect of water temperature (W) 0.7 K; Unalterable range -15°C ÷ +60°C; Ring in CW 614 N UNI-EN 12164-98; Rotational limit selectors for pre-setting the adjustment range; Head body in white RAL9016 ABS; Standard connection M30x1.5mm

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