Vaillant uniSTOR 300 Unvented Hot Water Cylinder

Vaillant uniSTOR 300 Unvented Hot Water Cylinder

The Vaillant uniSTOR 300 Unvented Hot Water Cylinder is a high-capacity hot water storage solution designed for sealed heating systems. It is an excellent 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. This upgrade removes the need for a loft tank, helping free up space while also significantly improving hot water pressure throughout the property. With a large 300 litre capacity, this cylinder is ideal for larger homes, properties with multiple bathrooms, or households with high hot water demand. Manufactured from high-grade duplex stainless steel, the cylinder is designed for long-term durability, corrosion resistance, and reliable performance. The uniSTOR cylinder is highly insulated using environmentally friendly materials to reduce heat loss and improve heating system efficiency. This helps reduce energy usage and can lower 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

300 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 300 Unvented Hot Water Cylinder GTIN: 4024074789001 Product Type: Indirect Unvented Cylinder Model: Standard Gross Weight (Including Packaging): 69.1kg Net Weight: 62.4kg Height: 1745mm Width: 595mm Capacity: 300 Litres Warranty: 25 Years (Subject to Manufacturer’s Terms & Conditions)

Why Choose an Unvented Cylinder?

Unvented hot water cylinders supply 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 property is a 300L hot water cylinder suitable for?

A 300 litre cylinder is typically suitable for large homes, properties with multiple bathrooms, or households with high hot water usage.

What is the benefit of an unvented cylinder?

An unvented cylinder provides hot water at mains pressure, giving stronger showers, better tap flow, and removing the need for a loft water tank.

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.