Automatic Air Vent E121-1/2A

Description

Automatic Air Vent Resideo E121-1/2A

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.

Connection size G 1/2" NPT.

Specifications

Medium type water or water-glycol mixture according to VDI 2035
Port connection external threads
Maximum operating pressure 10 bar
Max. media temperature 110 oC
Materials: Brass housing and lid, high-grade, heat-resistant synthetic material float, heat-resistant elastomer seal components

Additional Descriptions

With the Z 121 A shut-off valve fitted, cleaning or replacement of the seal and inner components can be carried out without draining the system.

Port diameter G 1/2 inch