Diamond Oil Tanks

Extremely reliable and meet all relevant regulatory requirements.

The Harlequin range of 'Diamond Oil Tanks' are extremely reliable and meet all relevant regulatory requirements.

All models are fully bunded and are the environmentally preferred option, versus a single skin oil tank. They are suitable for those awkward installations where space is at a premium. The range includes popular super slimline options engineered for easy garden access.

Key Benefits

Excellent Design – Specially designed for those awkward installations, the range boasts super slimline options along with handles for easy moving and heavy-duty lids on all models.

Integrally Bunded – Designed to protect the surrounding environment, all tanks are bunded preventing pollution if the internal tank was ever to leak.

Non Corrosive – Manufactured from Medium Density Polyethylene (MDPE) your Harlequin tank will not corrode.

10 Year Guarantee – Peace of mind that should an issue arise with your tank, Harlequin will be there to help. * 10-year guarantee upon registration with Harlequin.

Meets Regulations – Apart from being fully bunded, each tank meets all relevant regulatory requirements.

Contents Monitoring – Each model has a 32mm hole suitable for fitting an electronic gauge, also available as an optional extra.

Enquire about Diamond Oil Tanks

Complete the short form to enquire about Harlequin's range of Diamond Oil Tanks.

The Harlequin range of ‘Diamond Oil Tanks’ are extremely reliable and meet all relevant regulatory requirements.

All models are fully bunded and are the environmentally preferred option, versus a single skin oil tank. They are suitable for those awkward installations where space is at a premium. The range includes popular super slimline options engineered for easy garden access.

Enquiry Form