Our underfloor heating experts are available weekdays from 7am to 6pm.
All our technical staff are fully qualified to deal with your enquiry. Contact us for expert advice on underfloor heating.
Call us 01268 567 016 Email us Visit the knowledge hubOur underfloor heating experts are available weekdays from 7am to 6pm.
All our technical staff are fully qualified to deal with your enquiry. Contact us for expert advice on underfloor heating.
Call us 01268 567 016 Email us Visit the knowledge hubAs the UK's biggest underfloor heating store, we're dedicated to offering competitive prices. We regularly monitor market prices and are ready to beat any competitor price. Simply give our sales team a call!
Call us on 01268 567016Product advice or want to place an order?
Call our product experts 01268 567016
Vaillant Unistor Heat Pump Cylinder range is designed to work in harmony with Vaillant heat pumps and provide highly efficient heating and hot water systems. Featuring state-of-the-art insulation as well as a 100% recyclable stainless steel shell, uniSTOR heat pump cylinders give you a robust and sustainable system solution to support your Vaillant heat pump. All Vaillant hot water cylinders are manufactured in line with standards that are maintained by the Hot Water Association.
The cylinders range from 150 up to 300 litres, so they're suitable for a wide range of properties with different hot water demands. Specifically designed to work alongside Vaillant heat pumps. Unique integrated coil system ensures maximum heat transfer and helps to reduce running costs and increase hot water performance. The cylinders are made from 100% recyclable stainless steel with an ultra-hard-wearing outer shell that comes with a 25-year guarantee. Available in a range of sizes from 150 to 300 litres.
Unistor 150L Heat Pump Cylinder
150L | 200L | 250L | 300L | |
Height | 1000mm | 1265mm | 1535mm | 1745mm |
Diameter | 595mm | 595mm | 595mm | 595mm |
Weight Empty | 35.0kg | 42.0kg | 52.0kg | 56.0kg |
Weight Full | 184kg | 240kg | 297kg | 343kg |
Actual Water Capacity | 145L | 194L | 245L | 284L |
Heat Loss | 0.86kW/24hrs | 1.22kW/24hrs | 1.41kW/24hrs | 1.59kW/24hrs |
Coil Output | 17.2kW | 16.69kW | 16.6kW | 16.5kW |
Primary Flow Rate | 900L/H | 900L/H | 900L/H | 900L/H |
Re-Heat (70%) | 18.6 mins | 22.1 mins | 30.3 mins | 34.0 mins |
Heat Up 15 to 60°C | 26.6 mins | 31.6 mins | 43.3 mins | 48.5 mins |
Let our experts help you
Product Question? Need help placing an order?
Our customer support is available Monday to Friday 7am-6pm.
Call us on 01268 567 016
Email sales@theunderfloorheatingstore.com
At The Underfloor Heating Store, we strive to make every step of your order as easy and convenient as possible, from finding the right underfloor heating setup to best suit you to taking delivery of your system the very next day.
We're proud to offer free delivery on all of our orders.
Your delivery option for this product is 5-10 working days.
Explore our full delivery policy
At The Underfloor Heating Store, our customers have 30 days to upgrade, replace or refund their orders.
Returns
At The Underfloor Heating Store, we want to ensure you are happy with every purchase you make. If you have any issues with your chosen product, whether damaged, faulty or simply an unwanted item, you can simply return what you bought for a refund. Learn more.
Replacements
We take great care in the delivery of all of our products, however, in the event of your delivery arriving damaged or if you notice a manufacturing fault of any kind within 48 hours of delivery, you're within your rights to a replacement. Learn more.
Upgrades
Within 14 days of purchasing from us, you are eligible to upgrade if you deem you want something a little better. Simply send it back to us brand new and we'll happily assist you with an upgrade to your order. Learn more.
At The Underfloor Heating Store, we are committed to providing our customers with high-quality products and outstanding customer service. That's why we offer a comprehensive warranty on all of our underfloor heating products, with a lifetime warranty for our ProWarm range of products.
Our warranties are designed to give you peace of mind and ensure that your underfloor heating system operates reliably for years to come.
At The Underfloor Heating Store, our main priority is customer satisfaction. To cement our commitment to this, we are proud to offer our Underfloor Heating Price Match Promise. If you find a lower price on an identical product anywhere else, we will match it – guaranteed!