ITEM No: MOM#72

The No. 72 Auto-Vents is a fast venting valve of the expansion type. All expansion and contraction of the single non-porous, composition disk is confined to four vents. ports.
Manual venting and tight shut-off are controlled bye a value cap with screwdriver slot adjustment.
These valves are used for vertical or horizontal mounting on convectors, baseboard and free-standing radiators.