What is the vent alarm whistle used for on an indoor fuel tank?
The vent that allows the air to escape is equipped with an alarm that whistles and lets the oil delivery driver know that air is leaving the tank as it should. The whistle may seem unnecessarily loud, but it is very important that it is audible from the delivery truck for obvious reasons.
How do you clean an oil tank vent?
Pour half a gallon of mineral spirits (paint thinner) down the vent line. This should wash away the softened deposit and leave a clean whistle. In case it is not obvious, let us point out that these things should not be poured into the vent line just before filling the tank.
Why is my oil tank making noise?
If your oil furnace begins to emit a shrieking or shrill whistling sound, this frequently points to a problem with air flow. For example, your furnace filter may be damaged, dirty or blocked. If your furnace filter is a disposable one, this is a good sign it is time to replace the filter.
What is the minimum size of a vent pipe on an oil tank?
2 inches
For tanks constructed to UL 80 specifications, the minimum vent diameter shall be 2 inches (50.8 mm). For tanks constructed to UL 142 specifications, the minimum vent diameter shall not be less than as required by Section 1305.8.
Why is my oil furnace making a high pitched noise?
If you hear a high-pitched noise, it could be the shaft bearings are in need of oil, there is an issue with the blower belt, or the blower motor is malfunctioning.
Why does my furnace sound like a freight train?
“Train” noise coming out of furnace: If too many vents are closed or covered up in your home, is one culprit for this.
Do oil tanks need to be vented?
A means of releasing vapour and air from the tank into the atmosphere when the tank is being filled and air into the tank when fuel is drawn off. It’s important to keep vent outlets clear to allow a free passage of air in and out of the tank.
Which pipe is the fill pipe on an oil tank?
The fill pipe extends from the top of the oil tank, through the exterior wall, and outside of the house. There is a cap that screws in place to keep the fill pipe closed. The vent pipe also extends up and out of the house, and allows air to escape as the oil tank is being filled.