SIEMENS SUA21/3
Electromotoric actuators without spring return for VVI46.. and VXI46.. zone valves. Primarily used in heating, ventilation and air conditioning systems for water-based control of hot water and cold water.
Heating and cooling zones
Control valves for fan coil units
Zone valve for floor heating via heating distributors (manifolds)
Chilled ceiling units
On/off control for domestic hot water boilers
Shut off valve for wall mounted boiler applications
Additional info
For fitting to the valve: plastic union nut M30 x 1.5
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