The Vaillant uniSTOR 200 Unvented Hot Water Cylinder is a reliable and efficient hot water storage solution designed for sealed heating systems. It is ideal for homeowners upgrading from a traditional open vented system with a cold water tank in the loft to a modern sealed system with a boiler and unvented cylinder. This upgrade helps free up loft space while also significantly improving hot water pressure throughout the property.
With a 200 litre capacity, this cylinder is well suited for larger households or properties with multiple bathrooms and higher hot water demand. Manufactured from high-grade duplex stainless steel, the uniSTOR cylinder is built for durability, corrosion resistance, and long-term performance.
The cylinder is highly insulated using environmentally friendly materials, helping to reduce heat loss and improve the overall efficiency of your heating system. This can help lower energy usage and reduce fuel bills over time. The cylinder also features a modern, easy-to-clean outer casing designed to fit neatly into airing cupboards or utility rooms.
Key Features
200 Litre Capacity
Suitable for Sealed Heating Systems
Ideal for Converting from Open Vented Systems
High Grade Duplex Stainless Steel Cylinder
Highly Insulated to Reduce Heat Loss
Environmentally Friendly Insulation Materials
Modern, Easy-to-Clean Outer Casing
2 Year Parts and Labour Guarantee
25 Year Cylinder Warranty
Key Specifications
Product: Vaillant uniSTOR 200 Unvented Hot Water Cylinder
GTIN: 4024074788981
Product Type: Indirect Unvented Cylinder
Model: Standard
Gross Weight (Including Packaging): 54.1kg
Net Weight: 47.5kg
Height: 1265mm
Width: 595mm
Capacity: 200 Litres
Warranty: 25 Years (Subject to Manufacturer’s Terms & Conditions)
Why Choose an Unvented Cylinder?
Unvented hot water cylinders deliver hot water at mains pressure, providing stronger showers and better flow rates from taps compared to traditional vented systems. They also remove the need for a cold water tank in the loft, freeing up space and simplifying the heating system. Modern cylinders like the Vaillant uniSTOR are designed with high levels of insulation to reduce heat loss and improve overall system efficiency.
FAQs
What is an unvented hot water cylinder?
An unvented cylinder stores hot water at mains pressure, providing better water flow and removing the need for a cold water tank in the loft.
Is a 200L cylinder suitable for a large house?
Yes, a 200 litre cylinder is typically suitable for larger households, especially properties with multiple bathrooms and higher hot water demand.
How long do Vaillant uniSTOR cylinders last?
Vaillant uniSTOR cylinders are made from duplex stainless steel and come with a 25 year cylinder warranty, offering long-term durability and reliability.
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.
Over 35 Years of Trading
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