Vaillant uniSTOR 250 Unvented Hot Water Cylinder

Vaillant uniSTOR 250 Unvented Hot Water Cylinder

The Vaillant uniSTOR 250 Unvented Hot Water Cylinder is designed for dependable stored hot water performance in domestic heating systems. It is a practical choice when specifying a boiler cylinder setup for a new installation or replacement project. For customers comparing a water cylinder, this product offers a reliable solution for everyday hot water demand.

The Vaillant uniSTOR 250 Unvented Hot Water Cylinder is a high-capacity hot water storage solution designed for sealed heating systems. It is an ideal choice 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. By removing the need for a loft tank, this upgrade helps free up space while also improving water pressure throughout the property. With a large 250 litre capacity, this cylinder is particularly well suited for larger homes or properties with multiple bathrooms and high hot water demand. The cylinder is manufactured from high-grade duplex stainless steel, offering excellent durability, corrosion resistance, and long service life. The uniSTOR cylinder is highly insulated using environmentally friendly materials to reduce heat loss and improve heating system efficiency. This helps lower energy consumption and can reduce fuel bills over time. The cylinder also features a modern outer casing that is easy to clean and designed to fit neatly into airing cupboards or plant rooms.

Key Features

• 250 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 250 Unvented Hot Water Cylinder
• GTIN: 4024074788998
• Product Type: Indirect Unvented Cylinder
• Model: Standard
• Gross Weight (Including Packaging): 65.1kg
• Net Weight: 58.4kg
• Height: 1535mm
• Width: 595mm
• Capacity: 250 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 range are highly insulated to reduce heat loss and improve overall energy efficiency.

FAQs

What size house is a 250L hot water cylinder suitable for?

A 250 litre cylinder is typically suitable for larger homes with multiple bathrooms and higher hot water usage.

What is an unvented 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.

How long is the warranty on a Vaillant uniSTOR cylinder?

Vaillant uniSTOR cylinders come with a 25 year cylinder warranty and a 2 year parts and labour guarantee, subject to manufacturer's terms and conditions.

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