2" Aluminum Waste Oil Tank Overfill Alarm & Pump Shut-Off Assembly

2" Aluminum Waste Oil Tank Overfill Alarm & Pump Shut-Off Assembly
Used to shut off the air supply to the pump when the tank approaches full capacity. When the unit shuts the air off to the pump, air is diverted to a whistle mounted on the unit to signal that the tank is full. The valve is automatically reset when the tank is empty and the air pressure is turned off. Mounts into a 2" NPT (F) tank opening. ULC listed under overfill protection devices, type B, for pressure fill applications. Air inlet/outlet 1/4" NPT (F). 100 PSI maximum. Air flow capacity 20 CFM at 100 PSI.