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Frequently Asked Questions
OIL STORAGE TANKS:
What is the difference between a single skin oil tank and a bunded oil tank?
A single skin tank has no secondary containment so if it leaks the oil leaks into the environment, whereas a bunded tank has an inner and outer skin which means that should the inner tank leak the oil is contained in the second skin which is also known as the bund.
What is the Harlequin warranty on a single skin or bunded plastic oil tank?
2 years on a single skin plastic tank and 10 years on a bunded plastic tank upon completion of the warranty registration form.
Can I install my own oil tank?
It is recommended that all oil tanks are installed by either an OFTEC registered technician or other competent person.
What is the difference between the HQi and ITE bunded oil tank range?
HQi Bunded oil tanks are supplied as tank only and are fitted with a contents dipstick. ITE Bunded oil tanks are supplied as standard with a bottom outlet filter valve kit, LRC overfill probe and an Apollo Standard Electronic remote reading contants gauge.
Are Harlequin Oil Tanks CE Marked?
Yes, all Harlequin oil tanks are CE Marked.
My existing plastic tank is on wooden sleepers is this ok?
No, all plastic tanks should be on a non-combustible base, such as concrete lintels, paving slabs or concrete.
How big should the concrete base be for my new oil tank be?
The base should extend 300mm beyond the overall width and length of the tank.
OIL TANK FIRE HAZARDS:
Where can I position my new 2500 litre domestic oil tank?
Without requiring fire proofing an oil tank must be sited at least 1.8m away from a combustible structure, non-fire rated eaves, door or window into a building or boiler flue termination. The tank should also be 760mm from a non-fire rated boundary.
Can I position my oil tank next to a low level boundary wall?
Unless the wall extends 300mm beyond the height and the ends of the tank and has 30 minutes fire resistance the tank should be 760mm away.
Is it okay to install the tank next to my timber shed?
The tank should be at least 1.8m away from the shed or a fire proof barrier needs to be installed which extends 300mm beyond the height and ends of the tank and has a 30 minute fire resistance.
Do the fire regs apply to my domestic garage as no one lives in it?
Yes, the garage is classed as part of a domestic dwelling so the regulations apply to a garage as well.
OIL TANK ACCESSORIES
Can you supply a replacement fill cap for my oil tank?
Yes we do, please see our Spares section.
Can I fit a sight gauge to my bunded oil tank?
No it is illegal. Sight gauges can only be fitted to single skin tanks, most bunded tanks are usually fitted with an electronic contents gauge.
Does my diesel storage tank need to be bunded?
All diesel storage tanks over 200 litres need to be bunded or installed inside an oil proof bund.
Are bunded plastic diesel dispensers suitable for bio-diesel?
All of our bunded plastic diesel dispensers are suitable for up to 5% biofuel. Above this precentage you will need to purchase a biofuel station.
What is the warranty on Harlequin plastic diesel tanks?
All plastic diesel tanks have a 10 year manufacturers warranty on the tank itself and 12 months on the associated equipment. All warranties are subject to the customer returning the Warranty Registration card to Harlequin.