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MPN: 20235268

Vaillant Unistor Indirect 200

Vaillant Unistor Indirect 200


Regular price £1,135.61 Excl. VAT
£1,362.73 Incl. VAT
Sale price £1,135.61 Excl. VAT
£1,362.73 Incl. VAT
Regular price
*For business & Trade Accounts only.
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Key Information

  • - Product type: Indirect unvented hot water cylinder.
  • - Capacity: 200 litres.
  • - Material: Stainless steel.
  • - Compatibility: most heating systems.
  • - Warranty: 2-year guarantee on parts and labour and an impressive 25-year guarantee on the cylinder shell.

Product Information

Overview

The Vaillant Unistor Indirect 200 is designed to support dependable stored hot water performance in domestic heating systems. It can form part of a wider installation where the right boiler parts and compatible components are needed for long-term reliability. For heating engineers and homeowners comparing boiler accessories, this product helps complete a practical hot water setup.

The Vaillant uniSTOR 200L Unvented Indirect Cylinder is a high-quality stainless steel hot water storage solution designed for modern domestic properties. Ideal for both new and existing sealed systems or open vent boilers, this cylinder provides reliable and efficient hot water for homes of all sizes. Its unvented design allows it to operate efficiently under higher pressures, giving you stronger water flow and improved performance.

Efficiency and Performance

  • Reduced heat loss - improved insulation keeps water hot for longer, helping lower energy bills
  • High water pressure - unvented design provides better flow compared to traditional vented systems, ideal for multiple bathrooms
  • Retrofit-friendly - can be fitted to older systems, allowing you to upgrade your cylinder without replacing the entire heating system
  • Adjustable feet - ensures stable installation even on uneven floors

Design and Installation

The uniSTOR cylinder is crafted from durable stainless steel and designed to be compatible with most heating systems. Its compact design makes it suitable for loft conversions or properties where space is limited, while still delivering high-capacity hot water for larger homes.

Warranty and Peace of Mind

Vaillant offers a 2-year guarantee on parts and labour and an impressive 25-year guarantee on the cylinder shell, giving you complete peace of mind.

Why Choose uniSTOR?

The uniSTOR cylinder is ideal for homeowners looking to upgrade from an older copper cylinder or vented system to a sealed unvented system. This upgrade not only saves space but also improves water pressure and reduces heat losses, making your heating system more efficient and cost-effective.

FAQs

Q: Can the uniSTOR 200 be installed on older heating systems?

Yes, the uniSTOR 200 can be retrofitted to older systems, allowing you to upgrade your cylinder without replacing the whole system.

Q: How does an unvented cylinder improve water pressure?

Being unvented, the cylinder operates under higher pressures than traditional vented systems, providing better flow at taps and showers.

Q: What warranty does the Vaillant uniSTOR offer?

Vaillant provides a 2-year warranty on parts and labour and a 25-year warranty on the cylinder shell, ensuring long-term reliability.

Check out our full range of plumbing supplies.

Browse more heating accessories available online.

Why Choose Us

At JJ Building Materials, we're committed to supplying quality building products at competitive prices, backed by the service and expertise you'd expect from an established independent merchant. Whether you're a trade professional managing large-scale projects or a homeowner taking on a DIY renovation, we're here to help you find the right products for the job.

As part of the JJ Roofing Supplies Group, we build on decades of experience supplying construction materials across the UK. We've expanded beyond roofing to offer a growing range of building materials, including timber, insulation, landscaping products, plumbing supplies, flooring, doors, bricks, fencing, garden buildings and much more – all available to order online with nationwide delivery.

We work with many of the industry's leading manufacturers to bring you trusted products that meet the highest standards of quality and performance. Our team is passionate about providing excellent customer service, competitive pricing and a straightforward shopping experience from start to finish.

When you shop with JJ Building Materials, you can expect:

  • Competitive prices on leading brands and quality products.
  • Nationwide delivery across the UK
  • A constantly expanding range of building and landscaping materials.
  • Friendly, knowledgeable customer support.
  • A trusted business backed by the JJ Roofing Supplies Group.

Delivery

Every order is personally reviewed by our experienced team to ensure everything is correct before dispatch. We offer delivery from as little as the next working day on selected products, so please refer to the dark blue Estimated Delivery box above for the expected delivery timeframe for this item.

We work with trusted manufacturers and specialist delivery partners to ensure your order arrives safely and on time. You'll receive tracking details once your order has been dispatched, and if we need to confirm any delivery details, one of our team will contact you directly to keep everything running smoothly.

Roof Tiles & Fittings:

We recommend ordering an additional 10% of roof tiles to allow for any breakages that may occur during delivery or handling. Roof tiles are naturally fragile, and having a few extra on site helps prevent delays and ensures your roofing project can be completed without interruption.

Vaillant Unistor Indirect 200

£1,135.61

Can I collect this product from a local branch?

Absolutely. Check availability at your nearest branch during checkout or contact us directly.

Do you offer bulk pricing or trade discounts?

Yes, we offer competitive rates for trade customers and bulk orders. Contact our team for a tailored quote.

What if the product arrives damaged?

Please notify us within 48 hours of delivery. We’ll arrange a prompt replacement or refund as needed.

How fast is the delivery time?

Most items are delivered within 2–5 working days, depending on stock and location. Some products may take longer times.

What is the Return Policy?

We accept most returns within 14 days of delivery, provided the items are unused, in their original packaging, and in resalable condition. Please contact our customer service team to arrange a return or discuss any concerns.