{"product_id":"vailant-unistor-indirect-150","title":"Vaillant Unistor Indirect 150","description":"\u003ch3\u003eOverview\u003c\/h3\u003e 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.\n\u003ch3\u003ePerformance and Efficiency\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e**150-litre capacity** – suitable for medium-sized households\u003c\/li\u003e \u003cli\u003e**Duplex stainless steel construction** – durable and corrosion-resistant for long-lasting performance\u003c\/li\u003e \u003cli\u003e**Highly insulated with environmentally friendly materials** – reduces heat loss and lowers running costs\u003c\/li\u003e \u003cli\u003e**Unvented design** – operates efficiently under higher pressures for strong water flow at taps and showers\u003c\/li\u003e \u003cli\u003e**Improves heating efficiency** – upgrading from an old copper cylinder reduces cylinder heat loss and can lower fuel bills\u003c\/li\u003e \u003c\/ul\u003e\n\u003ch3\u003eInstallation and Convenience\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e**Compact design** – saves space when replacing older systems\u003c\/li\u003e \u003cli\u003e**Easy-to-clean outer casing** – maintains a neat and modern appearance\u003c\/li\u003e \u003cli\u003e**Suitable for conversions** – ideal for upgrading existing open vent systems to sealed systems\u003c\/li\u003e \u003c\/ul\u003e\n\u003ch3\u003eDurability and Warranty\u003c\/h3\u003e 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.\n\u003ch3\u003eWhy Choose Vaillant uniSTOR 150?\u003c\/h3\u003e 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.\n\u003ch3\u003eFAQs\u003c\/h3\u003e \u003ch4\u003eQ: What is the capacity of the Vaillant uniSTOR 150?\u003c\/h4\u003e The cylinder has a **150-litre capacity**, making it ideal for medium-sized homes. \u003ch4\u003eQ: Can the uniSTOR 150 replace an old copper cylinder?\u003c\/h4\u003e Yes, it can be **upgraded from older copper cylinders**, improving efficiency and reducing heat losses. \u003ch4\u003eQ: How long is the warranty on the uniSTOR 150?\u003c\/h4\u003e It comes with a **2-year parts and labour guarantee**, plus a **25-year guarantee on the cylinder shell**.\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":51771451310422,"sku":"147855","price":850.57,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/vaillant-unistor-indirect-150-1690120.jpg?v=1772639356","url":"https:\/\/jjbuildingmaterials.co.uk\/products\/vailant-unistor-indirect-150","provider":"JJ Building Materials","version":"1.0","type":"link"}