{"product_id":"jab-dov-direct-vented-cylinders-90l-200l","title":"JAB DOV Direct Vented Cylinders (90L-200L)","description":"\u003cdiv style=\"font-size: 16px; max-width: 900px; margin: 0 auto; font-family: Arial, Helvetica, sans-serif; color: #333333;\"\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; color: #333333; margin: 0 0 24px 0;\"\u003eThe \u003cstrong\u003eJAB DOV Direct Vented\u003c\/strong\u003e cylinder is a stainless-steel replacement for traditional open-vented copper hot water cylinders, fed from a cold water storage cistern rather than mains pressure. Available in \u003cstrong\u003efive capacities from 90L to 200L\u003c\/strong\u003e, each in a choice of \u003cstrong\u003eStandard or Slim\u003c\/strong\u003e format, it's built from \u003cstrong\u003eduplex stainless-steel\u003c\/strong\u003e and supplied with factory-fitted immersion heaters – twin 3kW elements on the 125L–200L sizes for multi-rate tariff flexibility. It is \u003cstrong\u003emanufactured in Britain\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 130px; background: #008377CF; color: #ffffff; text-align: center; padding: 16px 8px; border-radius: 8px;\"\u003e\n\u003cdiv style=\"font-size: 22px; font-weight: bold; line-height: 1.2;\"\u003e90–200L\u003c\/div\u003e\n\u003cdiv style=\"font-size: 12px; margin-top: 4px; opacity: 0.9;\"\u003eCapacity Range\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 130px; background: #008377CF; color: #ffffff; text-align: center; padding: 16px 8px; border-radius: 8px;\"\u003e\n\u003cdiv style=\"font-size: 22px; font-weight: bold; line-height: 1.2;\"\u003e2\u003c\/div\u003e\n\u003cdiv style=\"font-size: 12px; margin-top: 4px; opacity: 0.9;\"\u003eFormats: Standard \/ Slim\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 130px; background: #008377CF; color: #ffffff; text-align: center; padding: 16px 8px; border-radius: 8px;\"\u003e\n\u003cdiv style=\"font-size: 22px; font-weight: bold; line-height: 1.2;\"\u003e2 x 3kW*\u003c\/div\u003e\n\u003cdiv style=\"font-size: 12px; margin-top: 4px; opacity: 0.9;\"\u003eImmersion (125–200L)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 130px; background: #008377CF; color: #ffffff; text-align: center; padding: 16px 8px; border-radius: 8px;\"\u003e\n\u003cdiv style=\"font-size: 22px; font-weight: bold; line-height: 1.2;\"\u003e470–510mm\u003c\/div\u003e\n\u003cdiv style=\"font-size: 12px; margin-top: 4px; opacity: 0.9;\"\u003eDiameter Range\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 130px; background: #008377CF; color: #ffffff; text-align: center; padding: 16px 8px; border-radius: 8px;\"\u003e\n\u003cdiv style=\"font-size: 22px; font-weight: bold; line-height: 1.2;\"\u003e25 Years\u003c\/div\u003e\n\u003cdiv style=\"font-size: 12px; margin-top: 4px; opacity: 0.9;\"\u003eCylinder Warranty\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 130px; background: #008377CF; color: #ffffff; text-align: center; padding: 16px 8px; border-radius: 8px;\"\u003e\n\u003cdiv style=\"font-size: 22px; font-weight: bold; line-height: 1.2;\"\u003eVented\u003c\/div\u003e\n\u003cdiv style=\"font-size: 12px; margin-top: 4px; opacity: 0.9;\"\u003eCylinder Type\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #F7FBFA; border-left: 4px solid #008377CF; padding: 14px 18px; margin: 18px 0; border-radius: 4px; font-size: 15px; line-height: 1.55; color: #333333;\"\u003e\n\u003cstrong\u003eThis is a vented cylinder, not unvented:\u003c\/strong\u003e it must be fed by gravity from a cold water storage (feed and expansion) cistern, typically in the loft, with an open vent pipe terminating over that cistern. It does not use the mains-pressure unvented kit, T\u0026amp;P relief valve, or expansion vessel found on JAB's unvented ranges.\u003c\/div\u003e\n\u003cdiv style=\"background: #FDECEA; border-left: 4px solid #C62828; padding: 14px 18px; margin: 18px 0; border-radius: 4px; font-size: 15px; line-height: 1.55; color: #333333;\"\u003e\n\u003cstrong\u003eInstaller requirement:\u003c\/strong\u003e installation must be carried out by a competent person in accordance with the \u003cstrong\u003eWater Regulations\u003c\/strong\u003e and Building Regulations, including correct sizing and positioning of the feed and expansion cistern and vent pipe.\u003c\/div\u003e\n\u003cdiv style=\"background: #FFF6E5; border-left: 4px solid #B26A00; padding: 14px 18px; margin: 18px 0; border-radius: 4px; font-size: 15px; line-height: 1.55; color: #333333;\"\u003e\n\u003cstrong\u003eImmersion configuration varies by size:\u003c\/strong\u003e the \u003cstrong\u003e90L model has a single 3kW immersion\u003c\/strong\u003e, while \u003cstrong\u003e125L–200L models are fitted with 2 x 3kW immersions and thermostats\u003c\/strong\u003e as standard for multi-rate tariff use. Confirm the correct model when ordering.\u003c\/div\u003e\n\u003cdiv style=\"background: #F7FBFA; border-left: 4px solid #008377CF; padding: 14px 18px; margin: 18px 0; border-radius: 4px; font-size: 15px; line-height: 1.55; color: #333333;\"\u003eAll electrical connections, including the immersion heater(s), must be wired by a \u003cstrong\u003equalified electrician\u003c\/strong\u003e in accordance with \u003cstrong\u003eBS 7671\u003c\/strong\u003e; actual cable sizing should be calculated on site rather than assumed from generic figures.\u003c\/div\u003e\n\u003cdiv style=\"font-size: 20px; font-weight: bold; color: #008377cf; margin: 32px 0 16px 0; padding-bottom: 8px; border-bottom: 2px solid #008377CF;\"\u003eWhy Choose the JAB DOV Direct Vented\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 14px; margin: 20px 0;\"\u003e\n\u003cdiv style=\"background: #F7FBFA; border: 1px solid #E0EDEB; border-radius: 8px; padding: 16px; flex: 1; min-width: 250px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #008377cf; margin-bottom: 8px; font-size: 15px;\"\u003eDirect Replacement for Copper Cylinders\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; line-height: 1.55; color: #333333;\"\u003eSized and configured to \u003cstrong\u003ereplace old grade 1–3 copper cylinders\u003c\/strong\u003e directly, so existing airing-cupboard pipework and fixings can usually be reused.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #F7FBFA; border: 1px solid #E0EDEB; border-radius: 8px; padding: 16px; flex: 1; min-width: 250px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #008377cf; margin-bottom: 8px; font-size: 15px;\"\u003eTwin Immersion for Multi-Rate Tariffs\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; line-height: 1.55; color: #333333;\"\u003eThe \u003cstrong\u003e2 x 3kW immersion heaters and thermostats\u003c\/strong\u003e fitted to the 125–200L sizes let the cylinder heat water on separate schedules, making it well suited to \u003cstrong\u003eEconomy 7\u003c\/strong\u003e and similar multi-rate electricity tariffs.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #F7FBFA; border: 1px solid #E0EDEB; border-radius: 8px; padding: 16px; flex: 1; min-width: 250px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #008377cf; margin-bottom: 8px; font-size: 15px;\"\u003eCompact Diameter\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; line-height: 1.55; color: #333333;\"\u003eAt \u003cstrong\u003e470–510mm diameter\u003c\/strong\u003e, the cylinder is no larger than a standard 450mm foamed copper cylinder, so it drops into existing airing cupboards without rebuilding the space.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #F7FBFA; border: 1px solid #E0EDEB; border-radius: 8px; padding: 16px; flex: 1; min-width: 250px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #008377cf; margin-bottom: 8px; font-size: 15px;\"\u003eStandard or Slim Format\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; line-height: 1.55; color: #333333;\"\u003eEvery capacity is available as a \u003cstrong\u003estandard-diameter\u003c\/strong\u003e or \u003cstrong\u003eslimline\u003c\/strong\u003e cylinder at the same price, so the format can be chosen to suit the available cupboard width rather than height.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #F7FBFA; border: 1px solid #E0EDEB; border-radius: 8px; padding: 16px; flex: 1; min-width: 250px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #008377cf; margin-bottom: 8px; font-size: 15px;\"\u003eDuplex Stainless-Steel Construction\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; line-height: 1.55; color: #333333;\"\u003eThe \u003cstrong\u003eduplex stainless-steel\u003c\/strong\u003e body resists pitting and stress corrosion far better than the mild steel used in older copper-jacketed cylinders.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #F7FBFA; border: 1px solid #E0EDEB; border-radius: 8px; padding: 16px; flex: 1; min-width: 250px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #008377cf; margin-bottom: 8px; font-size: 15px;\"\u003e25-Year Cylinder Warranty\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; line-height: 1.55; color: #333333;\"\u003eBacked by a \u003cstrong\u003e25-year warranty\u003c\/strong\u003e on the cylinder itself, reflecting the expected service life of the stainless-steel vessel.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-size: 20px; font-weight: bold; color: #008377cf; margin: 32px 0 16px 0; padding-bottom: 8px; border-bottom: 2px solid #008377CF;\"\u003eSizes, Formats\u003c\/div\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 13px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"background: rgba(0, 131, 119, 0.81); color: rgb(255, 255, 255); padding: 9px 12px; font-size: 13px; text-align: left; width: 20.2147%;\"\u003eCapacity\u003c\/th\u003e\n\u003cth style=\"background: rgba(0, 131, 119, 0.81); color: rgb(255, 255, 255); padding: 9px 12px; font-size: 13px; text-align: left; width: 19.8569%;\"\u003eFormat\u003c\/th\u003e\n\u003cth style=\"background: rgba(0, 131, 119, 0.81); color: rgb(255, 255, 255); padding: 9px 12px; font-size: 13px; text-align: left; width: 36.8515%;\"\u003eDimensions (H x D)\u003c\/th\u003e\n\u003cth style=\"background: rgba(0, 131, 119, 0.81); color: rgb(255, 255, 255); padding: 9px 12px; font-size: 13px; text-align: left; width: 23.0769%;\"\u003eImmersion\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #FFFFFF;\"\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 20.2147%;\"\u003e90L\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 19.8569%;\"\u003eStandard\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 36.8515%;\"\u003e750 x 510mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 23.0769%;\"\u003e1 x 3kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #F7FBFA;\"\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 20.2147%;\"\u003e90L\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 19.8569%;\"\u003eSlim\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 36.8515%;\"\u003e900 x 470mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 23.0769%;\"\u003e1 x 3kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #FFFFFF;\"\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 20.2147%;\"\u003e125L\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 19.8569%;\"\u003eStandard\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 36.8515%;\"\u003e900 x 510mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 23.0769%;\"\u003e2 x 3kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #F7FBFA;\"\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 20.2147%;\"\u003e125L\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 19.8569%;\"\u003eSlim\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 36.8515%;\"\u003e1050 x 470mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 23.0769%;\"\u003e2 x 3kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #FFFFFF;\"\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 20.2147%;\"\u003e150L\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 19.8569%;\"\u003eStandard\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 36.8515%;\"\u003e1050 x 510mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 23.0769%;\"\u003e2 x 3kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #F7FBFA;\"\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 20.2147%;\"\u003e150L\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 19.8569%;\"\u003eSlim\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 36.8515%;\"\u003e1200 x 470mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 23.0769%;\"\u003e2 x 3kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #FFFFFF;\"\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 20.2147%;\"\u003e170L\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 19.8569%;\"\u003eStandard\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 36.8515%;\"\u003e1200 x 510mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 23.0769%;\"\u003e2 x 3kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #F7FBFA;\"\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 20.2147%;\"\u003e170L\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 19.8569%;\"\u003eSlim\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 36.8515%;\"\u003e1500 x 470mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 23.0769%;\"\u003e2 x 3kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #FFFFFF;\"\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 20.2147%;\"\u003e200L\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 19.8569%;\"\u003eStandard\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 36.8515%;\"\u003e1500 x 510mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 23.0769%;\"\u003e2 x 3kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #F7FBFA;\"\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 20.2147%;\"\u003e200L\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 19.8569%;\"\u003eSlim\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 36.8515%;\"\u003e1800 x 470mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; font-size: 13px; color: rgb(51, 51, 51); border-bottom: 1px solid rgb(224, 237, 235); width: 23.0769%;\"\u003e2 x 3kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"font-size: 20px; font-weight: bold; color: #008377cf; margin: 32px 0 16px 0; padding-bottom: 8px; border-bottom: 2px solid #008377CF;\"\u003eTechnical Specification\u003c\/div\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" style=\"background: #008377CF; color: #ffffff; font-weight: bold; padding: 10px 14px; font-size: 14px;\"\u003eConstruction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #FFFFFF;\"\u003e\n\u003ctd style=\"padding: 9px 14px; font-size: 14px; color: #333333; border-bottom: 1px solid #E0EDEB; width: 55%;\"\u003eCylinder Type\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 14px; font-size: 14px; color: #333333; border-bottom: 1px solid #E0EDEB;\"\u003eDirect, vented (open-vented), duplex stainless-steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #F7FBFA;\"\u003e\n\u003ctd style=\"padding: 9px 14px; font-size: 14px; color: #333333; border-bottom: 1px solid #E0EDEB; width: 55%;\"\u003eManufacture\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 14px; font-size: 14px; color: #333333; border-bottom: 1px solid #E0EDEB;\"\u003eMade in Britain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #FFFFFF;\"\u003e\n\u003ctd style=\"padding: 9px 14px; font-size: 14px; color: #333333; border-bottom: 1px solid #E0EDEB; width: 55%;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 14px; font-size: 14px; color: #333333; border-bottom: 1px solid #E0EDEB;\"\u003e25 years on the cylinder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" style=\"background: #008377CF; color: #ffffff; font-weight: bold; padding: 10px 14px; font-size: 14px;\"\u003eConnections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #FFFFFF;\"\u003e\n\u003ctd style=\"padding: 9px 14px; font-size: 14px; color: #333333; border-bottom: 1px solid #E0EDEB; width: 55%;\"\u003eCold Feed\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 14px; font-size: 14px; color: #333333; border-bottom: 1px solid #E0EDEB;\"\u003e1″ female iron (from feed \u0026amp; expansion cistern)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #F7FBFA;\"\u003e\n\u003ctd style=\"padding: 9px 14px; font-size: 14px; color: #333333; border-bottom: 1px solid #E0EDEB; width: 55%;\"\u003eHot Draw-Off\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 14px; font-size: 14px; color: #333333; border-bottom: 1px solid #E0EDEB;\"\u003e1″ female iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #FFFFFF;\"\u003e\n\u003ctd style=\"padding: 9px 14px; font-size: 14px; color: #333333; border-bottom: 1px solid #E0EDEB; width: 55%;\"\u003eSecondary Return \/ Shower Connection\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 14px; font-size: 14px; color: #333333; border-bottom: 1px solid #E0EDEB;\"\u003e1″ female iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" style=\"background: #008377CF; color: #ffffff; font-weight: bold; padding: 10px 14px; font-size: 14px;\"\u003eElectrical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #FFFFFF;\"\u003e\n\u003ctd style=\"padding: 9px 14px; font-size: 14px; color: #333333; border-bottom: 1px solid #E0EDEB; width: 55%;\"\u003eImmersion Heaters (90L)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 14px; font-size: 14px; color: #333333; border-bottom: 1px solid #E0EDEB;\"\u003e1 x 3kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #F7FBFA;\"\u003e\n\u003ctd style=\"padding: 9px 14px; font-size: 14px; color: #333333; border-bottom: 1px solid #E0EDEB; width: 55%;\"\u003eImmersion Heaters (125L–200L)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 14px; font-size: 14px; color: #333333; border-bottom: 1px solid #E0EDEB;\"\u003e2 x 3kW with thermostats\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"font-size: 20px; font-weight: bold; color: #008377cf; margin: 32px 0 16px 0; padding-bottom: 8px; border-bottom: 2px solid #008377CF;\"\u003eFrequently Asked Questions\u003c\/div\u003e\n\u003cdiv style=\"margin: 20px 0;\"\u003e\n\u003cdetails style=\"margin-bottom: 10px; border: 1px solid #E0EDEB; border-radius: 6px; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #ffffff; padding: 12px 16px; font-weight: bold; font-size: 14px; cursor: pointer; list-style: none;\"\u003eIs this a vented or unvented cylinder?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 14px 16px; font-size: 14px; line-height: 1.6; color: #333333; background: #FFFFFF;\"\u003eThis is a \u003cstrong\u003evented (open-vented) cylinder\u003c\/strong\u003e, fed by gravity from a cold water storage cistern rather than direct from the mains. It is not interchangeable with JAB's unvented ranges, which require a completely different installation kit and mains-pressure feed.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 10px; border: 1px solid #E0EDEB; border-radius: 6px; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #ffffff; padding: 12px 16px; font-weight: bold; font-size: 14px; cursor: pointer; list-style: none;\"\u003eDo I need a cold water storage cistern to install this?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 14px 16px; font-size: 14px; line-height: 1.6; color: #333333; background: #FFFFFF;\"\u003eYes. As a vented cylinder it must be fed from a \u003cstrong\u003ecold water storage (feed and expansion) cistern\u003c\/strong\u003e, typically in the loft, with an open vent pipe terminating over that cistern.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 10px; border: 1px solid #E0EDEB; border-radius: 6px; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #ffffff; padding: 12px 16px; font-weight: bold; font-size: 14px; cursor: pointer; list-style: none;\"\u003eWhat's the difference between the Standard and Slim format?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 14px 16px; font-size: 14px; line-height: 1.6; color: #333333; background: #FFFFFF;\"\u003eBoth hold the same capacity and cost the same; the \u003cstrong\u003eStandard\u003c\/strong\u003e format uses a wider, shorter shell while the \u003cstrong\u003eSlim\u003c\/strong\u003e format is narrower and taller, so the choice comes down to which best fits the available airing-cupboard footprint.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 10px; border: 1px solid #E0EDEB; border-radius: 6px; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #ffffff; padding: 12px 16px; font-weight: bold; font-size: 14px; cursor: pointer; list-style: none;\"\u003eIs the 90L model the same as the rest of the range electrically?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 14px 16px; font-size: 14px; line-height: 1.6; color: #333333; background: #FFFFFF;\"\u003eNo. The \u003cstrong\u003e90L model has a single 3kW immersion heater\u003c\/strong\u003e, while all other capacities (125L–200L) are fitted with \u003cstrong\u003e2 x 3kW immersion heaters and thermostats\u003c\/strong\u003e as standard.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 10px; border: 1px solid #E0EDEB; border-radius: 6px; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #ffffff; padding: 12px 16px; font-weight: bold; font-size: 14px; cursor: pointer; list-style: none;\"\u003eCan this be used on an Economy 7 tariff?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 14px 16px; font-size: 14px; line-height: 1.6; color: #333333; background: #FFFFFF;\"\u003eYes, the twin-immersion 125L–200L models are specifically suited to \u003cstrong\u003eEconomy 7\u003c\/strong\u003e and similar multi-rate tariffs, with each element able to be scheduled independently.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 10px; border: 1px solid #E0EDEB; border-radius: 6px; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #ffffff; padding: 12px 16px; font-weight: bold; font-size: 14px; cursor: pointer; list-style: none;\"\u003eDoes this cylinder need a temperature and pressure relief valve?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 14px 16px; font-size: 14px; line-height: 1.6; color: #333333; background: #FFFFFF;\"\u003eNo. As a vented cylinder it relies on the \u003cstrong\u003eopen vent pipe\u003c\/strong\u003e over the feed and expansion cistern for pressure relief rather than a mechanical T\u0026amp;P valve, which is specific to unvented systems.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"JAB","offers":[{"title":"ST 90L","offer_id":65213030007133,"sku":"DOV-D-90-ST","price":450.0,"currency_code":"GBP","in_stock":true},{"title":"Slim 90L","offer_id":65213030039901,"sku":"DOV-D-90-SLIM","price":450.0,"currency_code":"GBP","in_stock":true},{"title":"ST 125L","offer_id":65213030072669,"sku":"DOV-D-125-ST","price":470.0,"currency_code":"GBP","in_stock":true},{"title":"Slim 125L","offer_id":65213030105437,"sku":"DOV-D-125-SLIM","price":470.0,"currency_code":"GBP","in_stock":true},{"title":"ST 150L","offer_id":65213030138205,"sku":"DOV-D-150-ST","price":495.0,"currency_code":"GBP","in_stock":true},{"title":"Slim 150L","offer_id":65213030170973,"sku":"DOV-D-150-SLIM","price":495.0,"currency_code":"GBP","in_stock":true},{"title":"ST 170L","offer_id":65213030203741,"sku":"DOV-D-170-ST","price":530.0,"currency_code":"GBP","in_stock":true},{"title":"Slim 170L","offer_id":65213030236509,"sku":"DOV-D-170-SLIM","price":530.0,"currency_code":"GBP","in_stock":true},{"title":"ST 200L","offer_id":65213030269277,"sku":"DOV-D-200-ST","price":570.0,"currency_code":"GBP","in_stock":true},{"title":"Slim 200L","offer_id":65213030302045,"sku":"DOV-D-200-SLIM","price":570.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/JABDOVDirectVentedCylinders.jpg?v=1783664008","url":"https:\/\/qualityheating.co.uk\/products\/jab-dov-direct-vented-cylinders-90l-200l","provider":"AIZO Quality Heating","version":"1.0","type":"link"}