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In case you need to operate with a normally closed microswitch
The aluminium Venturi tube is mounted in the duct through a hole
B76 Wall cover plate to adapt wall sensors and control plates
The RAA30 room thermostat has separate outputs for heating only and cooling only
Belimo SR Series 20Nm Valve Actuators SR Series:SR230A-S Open/Close In case you need toBelimo Rotary Valve Actuators suited to R2 and R3 Series Ball Valves ( 40mm & 50mm ) Nominal torque: 20Nm Nominal voltage: SR24 Range AC DC 24V, SR230 Range AC 230V Control: Open Close, 3 Point, Modulating (SR) Position feedback: Integrated auxiliary switch on " S" models or Optional accessory
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