1,400 litres Bunded Oil Tank - Harlequin 1400ITT Top Outlet Horizontal

1,400 litres Bunded Oil Tank - Harlequin 1400ITT Top Outlet Horizontal

Harlequin's 1400ITT Horizontal Bunded Plastic Heating Oil Tank is manufactured in the UK and complies with or exceeds all applicable environmental, technical and regulatory requirements. Supplied with Apollo Oil Monitor, Top Outlet and Fitting Kit, it benefits too from a conditional, 10-year, manufacturer's warranty. Shop and buy Harlequin Bunded Tanks online at Fuel Tank Store.

In stock
£1,578.04 £1,315.03
Direct to you
  • DELIVERY TIME: Please allow 5 - 10 working days for delivery to locations in mainland Great Britain and Northern Ireland. Deliveries to Republic of Ireland, Channel Islands, Isle of Man and UK offshore locations may take longer.
  • FREE UK TAIL LIFT DELIVERY to most addresses in mainland Great Britain and Northern Ireland. Delivery to offshore areas at additional cost - postal areas GY2, HS, JE, IM, IV55-IV56, KA27-KA28, KW15-17, PA41-98, PH41-50, PO30-PO41 and ZE. Any delivery surcharge will be applied at check out and before payment. Please note that regretfully, we are currently unable to deliver to Alderney, Herm, Rathlin or Sark.

    FREE REPUBLIC OF IRELAND DELIVERY to all onshore addresses. Call us on +353(0)1 526 8642 for payment and to confirm product delivery arrangements. Please note that regretfully, we are unable to deliver to offshore locations in the Republic of Ireland.
  • INTERNATIONAL DELIVERY Please call us on +44(0)1789 632 151 or e-mail hello@fueltank.store to confirm product availability, specification and carriage cost.
    All deliveries are subject to product and service availability.

Harlequin 1400ITT 1,400 litres Top Outlet Plastic Horizontal Bunded Heating Oil Tank

This 1,379 litres capacity 1400ITT Bunded Horizontal Oil Tank from Harlequin features Atkinson’s environmentally preferred Tanktop top outlet system. OFTEC approved and EN 13341 compliant, the 1400ITT is ideal for mid-size oil-fired heating installations incorporating a pressure-jet burner. Supplied complete with Apollo Ultrasonic Heating Oil Monitor for ease of use and installation.

Standard Specification

A 1,379 litres capacity Bunded Plastic Horizontal Heating Oil Tank from Harlequin Manufacturing (formerly Clarehill Plastics Limited) supplied with:

  • Lockable Manhole Access;
  • Failsafe LRC Type Electronic Overfill Prevention Probe;
  • 4” Lockable Inspection Point;
  • 2” BSP Fill Point;
  • Vent;
  • Apollo Electronic Oil Tank Monitor;
  • Factory-fitted Atkinson Tanktop Top Offtake System comprising floating suction line; non-return valve; 50 micron replaceable fuel filter; anti-siphon valve (factory set to 150mb / 1.5m –ve head); priming/purging button; and, push-fit 10mm dia. top outlet.

Tank Approvals

  • OFCERT (OFS T100) licensed;
  • EN 13341 compliant.


This Top Outlet Harlequin Plastic Tank is suitable for the storage of Heating Oil, when connected to a fixed, combustion appliance incorporating a pressure jet burner e.g. oil-fired boiler, cooker etc. Please note at some installations, it may be necessary to install a de-aerator or oil lift device. For further information and guidance, please consult your oil-fired appliance manufacturer.


Supplied complete with a Harlequin Manufacturing 10-year conditional, warranty against material, manufacturing and design defect.

Important Information

Please note Top Outlet Heating Oil Tanks are made to order products, exempt from out standard returns policy. Your statutory rights are not affected.  

More Information
Brand Harlequin Manufacturing
Model Range Harlequin ITT Bunded Heating Oil Tanks
Manufacturer's Reference 1400ITT
FTS Reference HQ-01400ITT
AKA Codes HQ 310ENV 1400ENV
Installation Aboveground
Material Plastic
UV Stabilised Yes
Construction Bunded
CE Marked Yes
EN 13341 Compliant Yes
OFCERT Licensed Yes
OFCERT License No. 0644010902R
Nominal Capacity 1379 litres
Nominal Capacity (Imperial) 303 gallons
Length 190 cm
Width 125 cm
Height 142 cm
Weight 135 kgs
Suitable For Agricultural Fuel Oil, Diesel (DERV), Gas Oil, Heating Oil, Kerosene
Fill Point Diameter 2" BSP
Lockable Access Yes
Lock Supplied No
Outlet Position Top Outlet
Outlet Diameter 10mm
Contents Gauge Yes
Bund Warning Alarm No
Interstitial Leak Detection No
Overfill Prevention Yes
Overfill Prevention Type Electronic
Tank Fitting Kit Yes
Warranty 10 Years
Actual Capacity (Imperial Gallons) 319
Actual Capacity (Litres) 1452

General Information

All products must be installed and maintained in accordance with supplied instructions and prevailing statutory requirements. Failure to comply with these requirements will invalidate any warranty supplied. Additionally:

  • Fuel Oil Storage Tanks All static fuel oil storage tanks must be installed and maintained by a suitably competent person e.g. a technician registered with the Oil Firing Technical Association (OFTEC);

  • Single Skin Heating Oil Tanks Single Skin Tanks are suitable only for the storage of Heating Oil at premises where a Bunded Tank is not required, or for installation within a suitably bunded area. Before installing any Single Skin Heating Oil Tank, a risk assessment must be completed by a suitably competent person e.g. a technician registered with the Oil Firing Technical Association (OFTEC);

  • Underground Heating Oil Tanks Before installing any Underground Heating Oil Tank, guidance must first be sought from your local Building Control Department. In some areas, it is not permissible to install a Heating Oil Tank belowground. Please note Aboveground Single Skin and Bunded Storage Tanks are unsuitable for belowground installation;

  • Plastic Storage Tanks All plastic storage tanks must be placed upon a flat, level, base which supports the underside of the tank in its entirety and extends a minimum of 300mm beyond the widest points of the tank. The base must be constructed from fire resistant materials and be capable of supporting the weight of the tank and its contents when fully laden;

  • Non-Potable Water Tanks Non-Potable Water Tanks are unsuitable for connection to the public water supply and the storage of water intended for human consumption.

Electrical Safety

Where applicable, all mains (230v AC) electrical connections should only be completed and periodically inspected by a suitably qualified electrician in accordance with prevailing statutory requirements. Mains electrical connections must incorporate a Residual Current Device (RCD) or similar protection to protect against the risk of electric shock.

Queries? Questions?

You can call us in the UK on 01789 632 151 and in the Republic of Ireland, you can call us on 01 5268 642. We’re open from 9am to 5pm weekdays – Bank and Public Holidays excluded. You can also e-mail hello@fueltank.store

Damaged and Defective Products

We work closely with our manufacturing partners to ensure all our deliveries arrive with you in tip-top condition. However, very occasionally things can and sometimes do go wrong. If you receive a product you’re not happy with, please contact us as soon as possible.

Unwanted Products

We recognise that sometimes we all order products and then change our mind. So you can contact us within 14 days of receiving your completed order to let us know you wish to return any product we have supplied to you. The only exceptions are bespoke and made-to-order products. Thereafter, you have a further 14 days to return unwanted product to us. All returned items must be unused, undamaged and suitable for resale. We recommend you ensure returned items are adequately protected by insurance. Subject to returned products being undamaged and fit for resale, we will refund your purchase price within 5 working days of returned product(s) being received by us.

Please be aware that larger items (e.g. tanks) can be expensive, difficult and awkward to return. We recommend taking care to ensure you have ordered the correct product. If you’re unsure as to whether you’re ordering the correct product, you’re very welcome to contact our Customer Support Team, before placing your order.

Bespoke & Made-To-Order Products

Regretfully we are unable to accept returns of bespoke and made-to-order products, unless damaged or defective. To confirm whether a product is bespoke or made-to-order, please refer to the Product Details section.

Contact Us

Wish to return a product or need to notify us of a damaged or defective product? You can call us in the UK, Channel Islands and Isle of Man on 01789 632 151. In the Republic of Ireland, you can call us on 01 5268 642. You’re also welcome to email hello@fueltank.store. Our offices are open 9am to 5pm weekdays.

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