Do I need a vent on my oil tank?
All tanks must vent outdoors, with the vent cap located above the “snow line”.
Table of Contents
Where is the oil tank whistle located?
vent pipe

Your fuel oil tank is equipped with a whistle located in the vent pipe. As oil enters your tank, the air that is present inside your tank is being displaced through a small vent. As this is happening, a steady whistling noise is produced.
What size is the vent pipe on an oil tank?
2 inches
(10) The diameter of each vent pipe must not be less than 11⁄2 inches nominal pipe size for fresh water tanks, 2 inches nominal pipe size for water ballast tanks, and 21⁄2 inches nominal pipe size for fuel oil tanks, except that small independent tanks need not have a vent more than 25% greater in cross-sectional area …
Is a whistle code on a oil tank?

During a heating oil delivery, you may hear an unexpected whistle. If you are unfamiliar with the process of replenishing the oil in a tank, it may seem alarming. However, the whistling sound is a good sign that tells you everything with the tank and the filling process is as it should be.
How far away from the house does an oil tank have to be?
1.8 metres away
An oil tank has to be a minimum of 1.8 metres away from any part of a building or construction that isn’t fire resistant, such as doors, windows, eves and cladding.
Do you need planning permission to replace oil tank?
Installing a fuel tank is considered to be permitted development, not needing planning permission, subject to the following limits and conditions: Not more than 3,500 litres capacity. Not forward of a wall forming the principal elevation of the “original house”*”
How does an oil tank vent alarm work?
When oil is pumped into your tank, air is displaced from inside the tank through the vent pipe. As the air passes through the vent pipe, it makes a whistling sound as it passes through the alarm.
What is a vent alarm on an oil tank?
During a heating oil delivery, the oil will push this air out. All oil storage tanks are fitted with an oil tank vent alarm. These devices emit a whistling sound as the air is pushed out. It is an essential signal that can be heard by anyone nearby, including those in the delivery truck.
Where should the vent alarm be installed on an oil delivery system?
An oil tank whistle or oil tank vent alarm is a small type of overfill device for aboveground tanks. The alarm is located beneath the vent pipe above your tank and produces a continuous, high-pitched whistling sound loud enough for the delivery driver outside of your house to hear.
What is an oil tank vent alarm?
How often should an oil tank be replaced?
between 15 and 20 years
How Long Does an Oil Tank Last? In most cases, an oil tank will last between 15 and 20 years — roughly two or three times the length of the average residential occupancy.
Can I put a roof over my oil tank?
Your tank should be on floor level or below ground level – it must never be stored above roof level. Remember, your tank needs to be easily accessed for deliveries and maintenance, but away from areas that are at risk of damage via impact, machinery and weather.
How far away should an oil tank be from a house?
1.8m away
1.8m away from openings such as doors or windows in a fire rated structure, e.g. house or brick out building. 1.8m away from the oil boiler’s flue terminal. 50 meters away from a spring, well or borehole.
What makes an oil tank whistle?
As the oil levels reduce in your tank, air takes its place. During a heating oil delivery, the oil will push this air out. All oil storage tanks are fitted with an oil tank vent alarm. These devices emit a whistling sound as the air is pushed out.
Why is my oil furnace whistling?
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 a whistle vent?
Have you ever been present when your oil tank was being refilled and heard a whistling sound that you had never heard before? That whistling is not a sign that your tank is broken. Rather it shows that the tank is in good working order.
How long does 275 gallons of oil last in winter?
approximately 56 days
The average home uses 5.3 gallons of oil on 30-degree days and 4.5 gallons on 35-degree days. Therefore, the average home in the Philadelphia area will use about 4.9 gallons of heating oil per day during winter. A 275-gallon supply of heating oil will last for approximately 56 days at the rate of 4.9 gallons per day.
Can an oil tank last 50 years?
Double-walled oil storage tanks also last significantly longer than their all-steel, single-wall counterparts – about twice as long. You read that right: a properly maintained double-walled heating oil can last 50 years or more, according to inspectapedia.com.
What distance should an oil tank be from a house?
How far from a house must an oil tank be?
1.8m away from a non-fire rated building or structure, e.g. garden shed. 1.8m away from openings such as doors or windows in a fire rated structure, e.g. house or brick out building. 1.8m away from the oil boiler’s flue terminal. 50 meters away from a spring, well or borehole.
Does house insurance cover oil tanks?
Many home insurance policies do not include repairs or incidents involving your heating oil tank in the standard cover. You should be covered for loss of fuel through theft and oil spills, and the environmental clean-up of your property and any adjacent land in the unlikely event of a leak.
What is the life expectancy of an oil tank?
The average life expectancy for an aboveground oil tank (which also includes heating oil tanks in a basement) is 25 years. Underground tanks last much less time, an average of 15 years. If your heating oil tank is at the end of, or past, its life expectancy, be proactive and replace it now.
How do you clean an oil tank?
- Drain the Oil Tank. First, you must drain all the oil and loosen the sludge from the tank.
- Scrub the Excess Sludge. Once all the water has drained out, use your cleaning rags to wipe off any stubborn grime and sludge around the drain.
- Add Cleaner.
- Dry the Tank and Refill the Oil.
- Dispose of the Sludge Safely.
How do I stop my vents from whistling?
In many instances, the whistling noise is produced by vents that aren’t properly attached or the incorrect size. In the winter months, the whistling noise may be reduced by slowing down the system’s fan speed. This will slow the speed of air moving through the system and may help eliminate the issue.
How much does it cost to fill a 275-gallon oil tank?
How Much Does It Cost to Fill a 275-Gallon Oil Tank? The cost to fill up a 275-gallon oil tank can vary from under $500 to close to $1,000. To keep fuel expenses low, shop around for prices and purchase in bulk during the off-season.