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this causes the thermostatic element to heat up and a small piston to come out and lower the valve stem
Siemens RAA11 Room Tamperproof Thermostat for heating only or cooling only
Controlli MVH actuators have linear characteristic (linear ratio between input signal and valve coupling joint movement)
It is BMS compatible
DBZH Relative humidity room control with:
SSDD-OE65-RAC Duct Smoke Detector DBZH this causes the thermostatic elementThe SSDD OE is an optical smoke detector for mounting on all duct types. it reacts on visible and invisible smoke particle sand can therefore detect fire at an early stage. The aluminium Venturi tube is mounted in the duct through a hole , 30mm diam. The tube can be shortened to fit all duct sizes. The sampling tube is included in the price of the SSDD. The detector housing has a window giving a clear view of the flow indicator and the alarm LED.
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