EQUIPMENT FOR HAZARDOUS AREAS THERMOSTATICVALVE 28 Maximumwater flow 70 litres/minute Instructions for Installations and Use During the valve installation, never strain the fittings, to avoid deteriation of threads or possible gas or oil losses. In order to avoid incorrect operation the sensor element (bulb) must always be fitted below the valve body. The capillary tube, between bulb and valve body, should not be deformed by too narrow bends or angles, to allow free gas passage. The valve is adjusted in order to begin the opening phase around 77°F and to complete it around 122°F. Remaining in this range of values, to increase the opening temperature slightly turn adjusting knob clockwise. If water leakage takes place after the valve has been closed for a time, turn the adjusting knob clockwise until the leak stops. Note: Periodically check that no calcereous deposits have built up in the system. Not suitable for sea water All dimensions in mm unless stated
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