500 Litre and 1000 Litre Water Tanks


In the UK market, efficient water storage solutions are important for various applications, from domestic to commercial and industrial applications. Our one piece tanks are known for their durability, ease of installation, and compliance with the highest industry standards. Commonly sought-after sizes are the 500 litre water tanks and 1000 litre water tanks, the TW500 and TW1000 models, respectively.

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500 Litre Water Tanks

Benefits of 500 Litre Water Tanks

The 500 litre nominal capacity water tank (TW500) offers several advantages:

  1. Compact Size: With external dimensions of 1130 x 755 x 840mm, these tanks are ideal for spaces with limited room.
  2. Durability: Manufactured from high-quality, Regulation 4(1)a Approved GRP material, the TW500 ensures longevity and reliability.
  3. Ease of Maintenance: The one piece tank design minimises potential leakage points, making maintenance straightforward and infrequent.
  4. Versatility: Suitable for storing potable water, they can also be used for rainwater harvesting and greywater systems. The TW500 can be supplied as a two piece tank and is available with a raised float valve.

Applications for 500 Litre Water Tanks

  1. Domestic Use: Suitable for residential properties, the TW500 can store water for domestic use, including drinking, cooking, and sanitary purposes. Its size makes it manageable for locations with limited storage space.
  2. Gardening and Irrigation: These tanks are ideal for collecting and storing rainwater for gardening and small-scale irrigation, reducing dependency on mains water and lowering water bills.
  3. Emergency Water Supply: A 500 litre tank can provide a reliable back-up for essential needs in areas prone to water supply interruptions.

Installation Locations for 500 Litre Water Tanks

  1. Loft: The TW500’s compact dimensions make it suitable for loft installations, ensuring that the water supply remains insulated and protected.
  2. Basement: Basements provide a stable environment for the tank, keeping it out of sight and reducing the risk of freezing in colder climates. Our one piece tanks come standard with 25mm insulation.
  3. Outdoors: The tank’s robust construction allows for outdoor installation and can withstand harsh weather conditions.

1000 Litre Water Tanks

Benefits of 1000 Litre Water Tanks

The 1000 litre nominal capacity water tank (TW1000) comes with numerous benefits:

  1. Higher Capacity: With a larger storage capacity, these tanks are ideal for scenarios requiring significant water reserves.
  2. Robust Construction: Like the TW500, the TW1000 is made from high-quality, Regulation 4(1)a Approved GRP material, ensuring durability and compliance with British Standards.
  3. Cost-Effective: The ability to store more water reduces the need for frequent refills, making it a cost-effective solution over time.
  4. Versatility in Application: Suitable for various uses, including potable water storage, rainwater harvesting, and emergency water reserves.one piece tank used as a water tank for loft

Applications for 1000 Litre Water Tanks

  1. Commercial and Industrial Use: Businesses and industrial sites often require large quantities of water. The TW1000 can cater to these needs by providing ample storage for manufacturing processes, cleaning, and cooling systems.
  2. Agricultural Applications: Farms and agricultural settings benefit significantly from the TW1000, which can store water for livestock, crop irrigation, and machinery cleaning.
  3. Large Domestic Properties: For buildings requiring substantial water reserves—such as those with multiple bathrooms—the 1000 litre tank offers a reliable and ample water supply.

One Piece Tank Technical Specifications

The TW500 and TW1000 GRP water tanks fully comply with Regulation 4(1)a, ensuring they meet the stringent standards required for potable water storage in the UK. Our range of one piece tanks are manufactured in accordance with BS EN13280 and BS EN13121, and the Water Supply (Water Fittings) Regulations 1999. Our tanks prevent bacterial growth and most importantly help to keep the water as clean and fresh as possible.

Key Features:

    • Nationwide next-day delivery on selected stock models (subject to availability)
    • Long life corrosion free design – virtually ZERO maintenance
    • Suitable for internal or external applications
    • Full range of connections/ancillary items available
    • Close-fitted sealed lid – Technical advice on all water storage projects
    • Excellent after-sales-service as standard
truck with one piece tanks going out for next day delivery

Range of One Piece Tanks Available

We revamped our range of one piece tanks and our latest range has sizes from 45 – 16,000 litres. We have bespoke water tanks that can be made to order for customers with unique specifications. All tanks are fitted with a cover to exclude light and prevent the ingress of particles and insects.

Potable Water Tank Uses

  • Back-up emergency drinking water supply
  • Food industry
  • Temporary water supply
  • Domestic water storage
  • Applications where mains water is unavailable

For more information and to explore the full range of our one piece tanks download our brochure or contact our expert sales team for a quote at websales@tricelwater.co.uk

50 years in business

A highly successful multinational corporation with over 50 years’ valuable industry experience

Fully Customisable Tanks

Tanks available for all capacities, 43 litres to 4,651,290 litres. Larger tanks available on request

Fast Delivery

On-time delivery is a core requirement of our successful business operations