Oil Tank Vent Alarm Whistle

Update with this signal that retrofits into the internal end of the vent pipe completely reliable and accurate economical unit installs with special tool into the vent pipe allows you to add a whistle into an existing tank.
Oil tank vent alarm whistle. Cast iron adaptor with aluminum whistle. Fill alarms sizes to fit most popular above ground and in ground tanks. Is there a working vent alarm or tank whistle. Top female thread npt.
Whistle stem may be cut for flat style tanks. Durable cast iron with corrosion resistant powder coated finish. The whistle is to be heard while the delivery guy is filling while filling it vents air and whistle can be heard whistle stops when fuel fills to cover whistle. This is something that new home owners must check for if they find a pre installed home heating oil tank.
The vent alarm prevents over filling and is recommended for both underground and above ground tanks. Stops whistling when oil has reached safe capacity. This alarm is made of cast iron. The oem 4516 2 in.
Calibrated whistle stems allow for product expansion. If not there is a risk of oil storage tank over filling and leaks or even tank damage. Bottom male thread npt 2 in. Sized to fit most popular above ground and in ground tanks.
The whistle is usually found in the vent pipe just above the tank. Compression ventalarm tank fill signal available for existing installations. The vent needs to be vented to outside and near fill pipe the whistle can be heard very clear. Patent 7497185 stem length 5 1 4 in.
Models are available for most types of tank installation. A functional oil tank that is in good condition must have a whistle that sounds when the tank is being filled with oil. The blue vent alarm shown at above left is a king fill oil storage tank vent alarm. Steven lavimoniere 23 136 views.
Patented screen keeps whistle chamber free from pipe scale and bugs. It is painted with a durable corrosion resistant powder coating. Oil tank vent alarm installed on old tank duration. As oil is being pumped into the tank it displaces air.
King fill alarm is designed to whistle while your oil tank is being filled and stops whistling when it has reached safe oil capacity level. Whistles while tank is being filled. Extra long stem available on special order. Like an old ship communication system.