Automatic air vent vertical PrimoVent G 3/8 inch with Aquastop, without check valve 7771010

Automatic air removal from the heating system

This PrimoVent G3/8 inch automatic air vent with Aquastop function is a reliable solution for removing air from closed heating systems in accordance with PN-EN 12828 standard. Made of brass, the device not only effectively removes air but also acts as a drain valve when draining the medium from the installation. This is an ideal solution for both professionals and home users who value trouble-free operation of the heating system.

Design and operation

The PrimoVent air vent is equipped with a float mechanism that automatically reacts to the presence of air in the installation. When gas appears inside, the float drops and opens the outlet, allowing air to be removed. A key feature of this model is the Aquastop system – specially designed seals that swell in contact with the heating medium, effectively protecting against flooding in the event of a failure or float suspension. It is important to ensure correct installation – the air vent cap should always be tightened to ensure the Aquastop function works correctly. The absence of a check valve facilitates the installation and removal of the device.

Application and benefits

The PrimoVent air vent is used in closed heating and cooling systems. Mounted at the highest point of the installation, it continuously removes air during system operation, protecting it from air locks and corrosion. This ensures a stable flow of the heating medium and eliminates unwanted noise. The Aquastop function minimizes the risk of flooding in the event of a failure, which translates into greater safety of use. The device is easy to operate and does not require frequent service interventions. The maximum operating temperature is 110°C at a maximum pressure of 12 bar.