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Description
The automatic air vent E121 is designed for use in heating systems on wall and ceiling radiators, air heaters, air collection vessels, installation risers, heating boilers, and air separators. It should not be used in systems with mineral oil or fluids with mineral oil-based additives.
- Materials: body made of brass, float made of temperature-resistant plastic, socket elements made of temperature-resistant elastomer
- Medium: water or water/glycol according to VDI 2035
- Max. medium temperature: 110 °C
- Static pressure: PN10
- Connection type: external thread 1/2'
Additional description: the use of the additional shut-off valve Z121 allows for cleaning and replacing the socket and other internal components without the need to drain the system.
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