RW Beckett 2" x 2" oil tank vent alarm

Description

The  RW Beckett "OEM" King Tank Vent Alarm - the industry standard.  The unit has a 2" NPT Tread by a 2" NPT thread.  Oil delivery companies require a whistle be heard while filling or they must shut down the delivery.
This 2" x 2" is a standard size for in ground and above ground fuel oil tank especially for new installations.  2" bung hole in tank and 2" vent pipe.
Made from durable cast iron with corrosion-resistant powder coating.  Whistles while tank is being filled; stops when oil has reached a safe level.