Vaillant Unistor Indirect 150

Overview

The Vaillant Unistor Indirect 150 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 150L Unvented Indirect Cylinder is a high-quality hot water storage solution, designed to deliver efficient, reliable hot water for domestic properties. Ideal for medium-sized homes, it is perfect when converting from an open vented system (with a cold water tank in the loft) to a sealed boiler and cylinder system, saving space while increasing water pressure.

Performance and Efficiency

• 150-litre capacity - suitable for medium-sized households
• Duplex stainless steel construction - durable and corrosion-resistant for long-lasting performance
• Highly insulated with environmentally friendly materials - reduces heat loss and lowers running costs
• Unvented design - operates efficiently under higher pressures for strong water flow at taps and showers
• Improves heating efficiency - upgrading from an old copper cylinder reduces cylinder heat loss and can lower fuel bills

Installation and Convenience

• Compact design - saves space when replacing older systems
• Easy-to-clean outer casing - maintains a neat and modern appearance
• Suitable for conversions - ideal for upgrading existing open vent systems to sealed systems

Durability and Warranty

The uniSTOR 150 is constructed from high-grade stainless steel and comes with a 2-year parts and labour guarantee, plus an industry-leading 25-year guarantee on the cylinder shell, giving homeowners peace of mind for years to come.

Why Choose Vaillant uniSTOR 150?

This cylinder is perfect for homeowners looking for a reliable, efficient, and compact hot water solution. Its insulated design improves system efficiency, reduces running costs, and delivers strong water pressure, making it ideal for medium-sized properties. The durable stainless steel construction ensures long-term performance, while the easy-to-clean casing adds a modern, polished look.

FAQs

Q: What is the capacity of the Vaillant uniSTOR 150?

The cylinder has a 150-litre capacity, making it ideal for medium-sized homes.

Q: Can the uniSTOR 150 replace an old copper cylinder?

Yes, it can be upgraded from older copper cylinders, improving efficiency and reducing heat losses.

Q: How long is the warranty on the uniSTOR 150?

It comes with a 2-year parts and labour guarantee, plus a 25-year guarantee on the cylinder shell.

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