Osma Vent 4S304W 110mm air admittance valve & insulation. Osmavent 4S304

OsmaVent 110mm / 4″ air admittance valve with an insulating polystyrene top.

It is new and boxed.

Part number is 4S304W.

Designed to allow air into a soil stack but not allow foul air out.

-20 to +60 degrees Celcius operating range.

Sized to fit internally into a 110mm outside diameter soil pipe or over an 82mm pipe.

It’s push fit so solvent welding is not required.

Supplied in a polystyrene box that can be used to insulate the valve.

This is a quality item manufactured in Europe.

Maintenance free and has a 10-year guarantee.

All items are in stock.