{"product_id":"joule-invacyl-slimline-indirect-unvented-cylinder-120l","title":"Joule Invacyl Slimline Indirect Unvented Cylinder 120L","description":"\u003cp\u003eThe Joule Invacyl Slimline Indirect Unvented Cylinder 120L is a compact stainless‑steel hot water storage cylinder engineered for unvented mains‑pressure systems. Providing 109 L of usable hot water heated indirectly via a 316L stainless‑steel coil, it delivers reliable mains‑pressure supply in space‑restricted installations. Dense PU foam insulation, corrosion‑resistant LDX 2101 construction and a 25‑year warranty ensure efficient performance and long‑term reliability.\u003c\/p\u003e\u003cp\u003eKey Features\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e Actual capacity: 109 L usable hot water. \u003c\/li\u003e\n\u003cli\u003e Slimline durable construction: LDX 2101 stainless‑steel cylinder with coated mild steel outer casing. \u003c\/li\u003e\n\u003cli\u003e Indirect heating coil: 316L stainless‑steel coil rated 15.63 kW with 0.66 m² surface area for effective heat transfer. \u003c\/li\u003e\n\u003cli\u003e High insulation: Dense PU foam to reduce standby heat loss (1.368 kW\/24h). \u003c\/li\u003e\n\u003cli\u003e Mains‑pressure operation: Max mains water pressure 10 bar; operating pressure 7 bar for strong delivery. \u003c\/li\u003e\n\u003cli\u003e Immersion ready: 3 kW @ 230 V immersion specification. \u003c\/li\u003e\n\u003cli\u003e Safety \u0026amp; compliance: Tested to BS EN 12897:2016; safety valve set to 90 °C. \u003c\/li\u003e\n\u003cli\u003e Low primary resistance: Coil resistance 0.2 bar; coil max primary pressure 6 bar for efficient circulation. \u003c\/li\u003e\n\u003cli\u003e Lightweight handling: Empty weight 30 kg for easier positioning and installation. \u003c\/li\u003e\n\u003cli\u003e Warranty: 25‑year warranty for long service life. \u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIdeal Use Cases\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e Small family homes, flats or apartments needing reliable mains‑pressure hot water. \u003c\/li\u003e\n\u003cli\u003e Renovation or new‑build projects with limited plant‑room space. \u003c\/li\u003e\n\u003cli\u003e Systems using boilers, heat pumps or solar thermal as the primary heat source. \u003c\/li\u003e\n\u003cli\u003e Utility rooms or compact plant rooms where a slim cylinder is required. \u003c\/li\u003e\n\u003cli\u003e Ensuite or secondary supplies and small commercial installations with moderate hot‑water demand. \u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eProduct Specifications\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e Product model \u003c\/td\u003e\n\u003ctd\u003e Joule Invacyl Slimline Indirect Unvented Cylinder 120L \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Actual capacity (Ltr) \u003c\/td\u003e\n\u003ctd\u003e109\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Max mains water pressure (Bar) \u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Operating pressure (Bar) \u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Operating temperature (°C) \u003c\/td\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Safety valve temperature (°C) \u003c\/td\u003e\n\u003ctd\u003e90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Unit weight empty (kg) \u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Unit weight full (kg) \u003c\/td\u003e\n\u003ctd\u003e139\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Cylinder material \u003c\/td\u003e\n\u003ctd\u003e LDX 2101 \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Outer casing \u003c\/td\u003e\n\u003ctd\u003e Coated mild steel \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Thermal insulation \u003c\/td\u003e\n\u003ctd\u003e Dense PU foam \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Foam thickness \u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Heat loss (kW\/24h) \u003c\/td\u003e\n\u003ctd\u003e1.368\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Coil material \u003c\/td\u003e\n\u003ctd\u003e 316L stainless steel \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Coil 1 rating (kW) \u003c\/td\u003e\n\u003ctd\u003e15.63\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Coil 1 surface area (m²) \u003c\/td\u003e\n\u003ctd\u003e0.66\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Coil 1 max primary pressure (Bar) \u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Coil 1 resistance (Bar) \u003c\/td\u003e\n\u003ctd\u003e0.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Immersion spec \u003c\/td\u003e\n\u003ctd\u003e 3 kW @ 230 V \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e No immersions \u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e No heat exchangers \u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Tested to standard \u003c\/td\u003e\n\u003ctd\u003e BS EN 12897:2016 \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Warranty terms (Year) \u003c\/td\u003e\n\u003ctd\u003e25Y\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Joule","offers":[{"title":"Default Title","offer_id":52983454531920,"sku":"TRBMVI-0120SFC","price":710.27,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0858\/5268\/4624\/files\/joule-invacyl-slimline-indirect-unvented-cylinder-120l-9964066.jpg?v=1778338338","url":"https:\/\/getplumb.co.uk\/products\/joule-invacyl-slimline-indirect-unvented-cylinder-120l","provider":"Getplumb","version":"1.0","type":"link"}