- The E121 Air Vent is a reliable automatic venting device and is suitable for venting of air or gas from heating systems or heat process installations.
- With the Z121 A shutoff valve fitted, cleaning or replacement of the seal and inner components can be carried out without draining the system.
Range of Application
- Hot water heating systems, radiators, wall and ceiling mounted air heaters, air collection vessels, pipework circuits, boilers and air separators.
- Not suitable for mineral oil or liquids with mineral-oil-based additives.
- Operating temperature max. 110°C (240°F)
- Operating pressure max.10 bar (150 psi)
- Connection size R 3/8″ and R 1/2″