{"product_id":"vailant-unistor-indirect-120","title":"Vaillant Unistor Indirect 120","description":"\u003ch3\u003eOverview\u003c\/h3\u003e The **Vaillant uniSTOR 120L Unvented Indirect Cylinder** is a compact, high-quality stainless steel hot water storage solution, ideal for domestic properties with either a new or existing sealed system or an open vent boiler. Designed for efficiency, this cylinder provides reliable hot water and improved performance for small to medium-sized homes.\n\u003ch3\u003ePerformance and Efficiency\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e**Capacity:** 120 litres, suitable for smaller homes or apartments\u003c\/li\u003e \u003cli\u003e**Improved insulation** – minimises heat loss, helping reduce running costs\u003c\/li\u003e \u003cli\u003e**High-pressure unvented design** – operates efficiently in sealed heating systems, providing higher water pressure at taps and showers\u003c\/li\u003e \u003cli\u003e**Energy-efficient upgrade** – retrofitting this cylinder reduces heat loss compared to older copper cylinders with insulation jackets\u003c\/li\u003e \u003c\/ul\u003e\n\u003ch3\u003eInstallation and Flexibility\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e**Retrofit-friendly** – can be installed on older systems without replacing the entire setup\u003c\/li\u003e \u003cli\u003e**Adjustable feet** – allows installation on uneven ground\u003c\/li\u003e \u003cli\u003e**Compact design** – ideal for homes where space is limited, such as loft conversions\u003c\/li\u003e \u003cli\u003e**Suitable for multiple systems** – compatible with both sealed and open vent heating systems\u003c\/li\u003e \u003c\/ul\u003e\n\u003ch3\u003eDurability and Warranty\u003c\/h3\u003e The uniSTOR cylinder is made from **premium stainless steel**, ensuring long-term durability and corrosion resistance. It comes with a **2-year guarantee on parts and labour** and a **25-year guarantee on the cylinder shell**, giving you peace of mind for years to come.\n\u003ch3\u003eWhy Choose Vaillant uniSTOR 120?\u003c\/h3\u003e The uniSTOR 120L is perfect for homeowners looking to upgrade from an old vented cylinder or improve hot water performance without a full system overhaul. Its **compact size, energy efficiency, and robust construction** make it an ideal choice for modern homes, delivering consistent hot water and reducing energy bills.\n\u003ch3\u003eFAQs\u003c\/h3\u003e \u003ch4\u003eQ: What is the capacity of the Vaillant uniSTOR 120?\u003c\/h4\u003e The cylinder has a **120-litre capacity**, making it suitable for small to medium homes. \u003ch4\u003eQ: Can it be installed on older heating systems?\u003c\/h4\u003e Yes, the uniSTOR 120 can be **retrofitted onto existing systems**, allowing upgrades without replacing the entire heating system. \u003ch4\u003eQ: How energy-efficient is the uniSTOR 120?\u003c\/h4\u003e Its **improved insulation reduces heat loss**, making the cylinder more energy-efficient than older copper cylinders with insulation jackets, which can help lower fuel bills.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boiler-accessories\"\u003eboiler accessories\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":51771451212118,"sku":"147912","price":778.92,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/vaillant-unistor-indirect-120-4266995.jpg?v=1772639356","url":"https:\/\/jjbuildingmaterials.co.uk\/products\/vailant-unistor-indirect-120","provider":"JJ Building Materials","version":"1.0","type":"link"}