{"product_id":"vaillant-wh95-low-loss-header-306721-2in-bsp-8000-l-hr","title":"Vaillant WH95 Low Loss Header | 306721 | 2in BSP 8000 L\/hr","description":"\u003cdiv style=\"font-size: 16px; max-width: 900px; margin: 0 auto; color: #1f2933; line-height: 1.6; font-family: Arial, Helvetica, sans-serif;\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eVaillant WH95 Low Loss Header\u003c\/strong\u003e is a freestanding hydraulic separator designed to maintain stable water flow through compatible \u003cstrong\u003eVaillant ecoTEC\u003c\/strong\u003e boilers while supplying multiple heating circuits with a consistent flow temperature. With \u003cstrong\u003e2 inch BSP female connections\u003c\/strong\u003e, a flow rate of up to \u003cstrong\u003e8,000 litres per hour\u003c\/strong\u003e and a low pressure drop of \u003cstrong\u003e7.4 mbar\u003c\/strong\u003e, it is a practical choice for larger domestic and light commercial heating installations.\u003c\/p\u003e\n\u003cp\u003eBy hydraulically separating the boiler circuit from the heating circuits, the \u003cstrong\u003eWH95\u003c\/strong\u003e helps prevent unwanted interaction between circulation pumps. This supports dependable operation in systems where \u003cstrong\u003eunderfloor heating\u003c\/strong\u003e and \u003cstrong\u003eradiator circuits\u003c\/strong\u003e have different temperature and flow rate requirements.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0;\"\u003e\n\u003cdiv style=\"flex: 1 1 130px; min-width: 130px; border: 2px solid #008377CF; border-radius: 8px; padding: 14px; text-align: center;\"\u003e\n\u003cdiv style=\"color: #008377cf; font-size: 13px; font-weight: bold;\"\u003eFlow Rate\u003c\/div\u003e\n\u003cdiv style=\"font-size: 20px; font-weight: bold;\"\u003e8,000 L\/hr\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 130px; min-width: 130px; border: 2px solid #008377CF; border-radius: 8px; padding: 14px; text-align: center;\"\u003e\n\u003cdiv style=\"color: #008377cf; font-size: 13px; font-weight: bold;\"\u003eConnection\u003c\/div\u003e\n\u003cdiv style=\"font-size: 20px; font-weight: bold;\"\u003e2in BSP (F)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 130px; min-width: 130px; border: 2px solid #008377CF; border-radius: 8px; padding: 14px; text-align: center;\"\u003e\n\u003cdiv style=\"color: #008377cf; font-size: 13px; font-weight: bold;\"\u003ePressure Drop\u003c\/div\u003e\n\u003cdiv style=\"font-size: 20px; font-weight: bold;\"\u003e7.4 mbar\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 130px; min-width: 130px; border: 2px solid #008377CF; border-radius: 8px; padding: 14px; text-align: center;\"\u003e\n\u003cdiv style=\"color: #008377cf; font-size: 13px; font-weight: bold;\"\u003eOutput at 20K\u003c\/div\u003e\n\u003cdiv style=\"font-size: 20px; font-weight: bold;\"\u003e190 kW\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 130px; min-width: 130px; border: 2px solid #008377CF; border-radius: 8px; padding: 14px; text-align: center;\"\u003e\n\u003cdiv style=\"color: #008377cf; font-size: 13px; font-weight: bold;\"\u003eOutput at 11K\u003c\/div\u003e\n\u003cdiv style=\"font-size: 20px; font-weight: bold;\"\u003e102 kW\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 130px; min-width: 130px; border: 2px solid #008377CF; border-radius: 8px; padding: 14px; text-align: center;\"\u003e\n\u003cdiv style=\"color: #008377cf; font-size: 13px; font-weight: bold;\"\u003eMPN\u003c\/div\u003e\n\u003cdiv style=\"font-size: 20px; font-weight: bold;\"\u003e306721\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left: 5px solid #d9534f; background: #fdf2f2; padding: 14px 16px; border-radius: 6px; margin: 20px 0;\"\u003e\n\u003cstrong\u003eImportant installation note:\u003c\/strong\u003e The Vaillant WH95 is suitable only for \u003cstrong\u003enew, clean heating systems\u003c\/strong\u003e with correctly inhibited water. It must be installed by a competent heating engineer in accordance with the manufacturer’s installation instructions and applicable UK regulations.\u003c\/div\u003e\n\u003cdiv style=\"border-left: 5px solid #f0ad4e; background: #fff8e6; padding: 14px 16px; border-radius: 6px; margin: 20px 0;\"\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e This low loss header is intended for use with compatible \u003cstrong\u003eVaillant ecoTEC plus 48 kW and 64 kW\u003c\/strong\u003e boilers. Always confirm the hydraulic design, system output and header selection against the boiler manufacturer’s current installation documentation before ordering.\u003c\/div\u003e\n\u003cdiv style=\"border-left: 5px solid #008377CF; background: #f0faf8; padding: 14px 16px; border-radius: 6px; margin: 20px 0;\"\u003e\n\u003cstrong\u003eInstaller tip:\u003c\/strong\u003e Vaillant recommends fitting a suitable \u003cstrong\u003edirt filter\u003c\/strong\u003e in the return flow between the low loss header and the heating circuits to help prevent system debris from entering the boiler.\u003c\/div\u003e\n\u003cdiv style=\"margin: 28px 0 12px; color: #008377cf; font-size: 20px; font-weight: bold; border-bottom: 2px solid #008377CF; padding-bottom: 6px;\"\u003eKey Features\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 12px;\"\u003e\n\u003cdiv style=\"flex: 1 1 270px; min-width: 270px; border: 1px solid #d7dee5; border-top: 4px solid #008377CF; border-radius: 8px; padding: 16px;\"\u003e\n\u003cdiv style=\"color: #008377cf; font-weight: bold; margin-bottom: 6px;\"\u003eHydraulic Separation\u003c\/div\u003e\n\u003cp style=\"margin: 0;\"\u003eHelps isolate the boiler circuit from heating circuit pumps, reducing the risk of \u003cstrong\u003efeed head interaction\u003c\/strong\u003e and supporting stable system performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 270px; min-width: 270px; border: 1px solid #d7dee5; border-top: 4px solid #008377CF; border-radius: 8px; padding: 16px;\"\u003e\n\u003cdiv style=\"color: #008377cf; font-weight: bold; margin-bottom: 6px;\"\u003eHigh Flow Capacity\u003c\/div\u003e\n\u003cp style=\"margin: 0;\"\u003eHandles flow rates up to \u003cstrong\u003e8 m³\/hr\u003c\/strong\u003e, making it suitable for larger heating systems with multiple circuits.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 270px; min-width: 270px; border: 1px solid #d7dee5; border-top: 4px solid #008377CF; border-radius: 8px; padding: 16px;\"\u003e\n\u003cdiv style=\"color: #008377cf; font-weight: bold; margin-bottom: 6px;\"\u003eConsistent Flow Temperature\u003c\/div\u003e\n\u003cp style=\"margin: 0;\"\u003eSupports a steady supply temperature to downstream circuits, including systems combining \u003cstrong\u003eradiators\u003c\/strong\u003e and \u003cstrong\u003eunderfloor heating\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 270px; min-width: 270px; border: 1px solid #d7dee5; border-top: 4px solid #008377CF; border-radius: 8px; padding: 16px;\"\u003e\n\u003cdiv style=\"color: #008377cf; font-weight: bold; margin-bottom: 6px;\"\u003eLow Pressure Loss\u003c\/div\u003e\n\u003cp style=\"margin: 0;\"\u003eA pressure drop of just \u003cstrong\u003e7.4 mbar\u003c\/strong\u003e helps minimise unnecessary resistance within the hydraulic system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 270px; min-width: 270px; border: 1px solid #d7dee5; border-top: 4px solid #008377CF; border-radius: 8px; padding: 16px;\"\u003e\n\u003cdiv style=\"color: #008377cf; font-weight: bold; margin-bottom: 6px;\"\u003eFreestanding Design\u003c\/div\u003e\n\u003cp style=\"margin: 0;\"\u003eThe freestanding format provides a practical solution for plant rooms and commercial style heating installations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 270px; min-width: 270px; border: 1px solid #d7dee5; border-top: 4px solid #008377CF; border-radius: 8px; padding: 16px;\"\u003e\n\u003cdiv style=\"color: #008377cf; font-weight: bold; margin-bottom: 6px;\"\u003eGenuine Vaillant Component\u003c\/div\u003e\n\u003cp style=\"margin: 0;\"\u003eManufactured by \u003cstrong\u003eVaillant\u003c\/strong\u003e under MPN \u003cstrong\u003e306721\u003c\/strong\u003e, providing a purpose designed solution for compatible Vaillant heating systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 28px 0 12px; color: #008377cf; font-size: 20px; font-weight: bold; border-bottom: 2px solid #008377CF; padding-bottom: 6px;\"\u003eTechnical Specifications\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; overflow: hidden;\"\u003e\n\u003cdiv style=\"background: #008377CF; color: #ffffff; padding: 10px 14px; font-weight: bold;\"\u003eGeneral\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e3e8ee;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #ffffff;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #ffffff;\"\u003eVaillant\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e3e8ee;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #f7fafb;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #f7fafb;\"\u003eLow loss header\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e3e8ee;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #ffffff;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #ffffff;\"\u003eWH95\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e3e8ee;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #f7fafb;\"\u003e\u003cstrong\u003eMPN\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #f7fafb;\"\u003e306721\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e3e8ee;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #ffffff;\"\u003e\u003cstrong\u003eEAN\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #ffffff;\"\u003e4024074412909\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #f7fafb;\"\u003e\u003cstrong\u003eInstallation Type\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #f7fafb;\"\u003eFreestanding\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #008377CF; color: #ffffff; padding: 10px 14px; font-weight: bold;\"\u003eHydraulic Performance\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e3e8ee;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #ffffff;\"\u003e\u003cstrong\u003eMaximum Flow Rate\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #ffffff;\"\u003e8 m³\/hr \/ 8,000 litres per hour\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e3e8ee;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #f7fafb;\"\u003e\u003cstrong\u003ePressure Drop\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #f7fafb;\"\u003e7.4 mbar\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e3e8ee;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #ffffff;\"\u003e\u003cstrong\u003eOutput at 20K Temperature Spread\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #ffffff;\"\u003e190 kW\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #f7fafb;\"\u003e\u003cstrong\u003eOutput at 11K Temperature Spread\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #f7fafb;\"\u003e102 kW\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #008377CF; color: #ffffff; padding: 10px 14px; font-weight: bold;\"\u003eConnections \u0026amp; Dimensions\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e3e8ee;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #ffffff;\"\u003e\u003cstrong\u003eConnections\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #ffffff;\"\u003e2 inch BSP female\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e3e8ee;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #f7fafb;\"\u003e\u003cstrong\u003eHeight\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #f7fafb;\"\u003e750 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e3e8ee;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #ffffff;\"\u003e\u003cstrong\u003eWidth\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #ffffff;\"\u003e155 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #f7fafb;\"\u003e\u003cstrong\u003eDepth\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #f7fafb;\"\u003e155 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #008377CF; color: #ffffff; padding: 10px 14px; font-weight: bold;\"\u003eCompatibility \u0026amp; System Requirements\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e3e8ee;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #ffffff;\"\u003e\u003cstrong\u003eCompatible Boilers\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #ffffff;\"\u003eVaillant ecoTEC plus 48 kW and 64 kW boilers\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; border-bottom: 1px solid #e3e8ee;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #f7fafb;\"\u003e\u003cstrong\u003eSuitable Systems\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #f7fafb;\"\u003eNew, clean heating systems with correctly inhibited water\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex;\"\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #ffffff;\"\u003e\u003cstrong\u003eRecommended Accessory\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; padding: 10px 14px; background: #ffffff;\"\u003eSuitable dirt filter in the return flow between the header and heating circuits\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 28px 0 12px; color: #008377cf; font-size: 20px; font-weight: bold; border-bottom: 2px solid #008377CF; padding-bottom: 6px;\"\u003eFrequently Asked Questions\u003c\/div\u003e\n\u003cdetails style=\"border: 1px solid #d7dee5; border-radius: 8px; margin-bottom: 10px; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #ffffff; padding: 12px 14px; font-weight: bold; cursor: pointer;\"\u003eWhat does a low loss header do?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 14px;\"\u003eA \u003cstrong\u003elow loss header\u003c\/strong\u003e hydraulically separates the boiler from the heating circuits. It helps maintain the correct flow through the boiler while allowing different circuits, such as \u003cstrong\u003eradiators\u003c\/strong\u003e and \u003cstrong\u003eunderfloor heating\u003c\/strong\u003e, to operate at their required flow rates and temperatures.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #d7dee5; border-radius: 8px; margin-bottom: 10px; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #ffffff; padding: 12px 14px; font-weight: bold; cursor: pointer;\"\u003eWhich boilers is the Vaillant WH95 suitable for?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 14px;\"\u003eThe \u003cstrong\u003eWH95\u003c\/strong\u003e is designed for use with compatible \u003cstrong\u003eVaillant ecoTEC plus 48 kW and 64 kW\u003c\/strong\u003e boilers. The final header selection should always be checked against the boiler manufacturer’s installation instructions and the designed system load.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #d7dee5; border-radius: 8px; margin-bottom: 10px; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #ffffff; padding: 12px 14px; font-weight: bold; cursor: pointer;\"\u003eCan it be used with underfloor heating and radiators?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 14px;\"\u003eYes. The \u003cstrong\u003eVaillant WH95\u003c\/strong\u003e is suitable for systems with different temperature and flow rate requirements, including installations that combine \u003cstrong\u003eunderfloor heating\u003c\/strong\u003e and \u003cstrong\u003eradiator circuits\u003c\/strong\u003e.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #d7dee5; border-radius: 8px; margin-bottom: 10px; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #ffffff; padding: 12px 14px; font-weight: bold; cursor: pointer;\"\u003eWhat size are the connections?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 14px;\"\u003eThe WH95 has \u003cstrong\u003e2 inch BSP female connections\u003c\/strong\u003e, allowing integration into appropriately sized heating pipework.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #d7dee5; border-radius: 8px; margin-bottom: 10px; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #ffffff; padding: 12px 14px; font-weight: bold; cursor: pointer;\"\u003eDoes it require a dirt filter?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 14px;\"\u003eVaillant recommends fitting a suitable \u003cstrong\u003edirt filter\u003c\/strong\u003e in the return flow between the low loss header and the heating circuits. This helps protect the boiler from system debris and supports long term reliability.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #d7dee5; border-radius: 8px; margin-bottom: 10px; overflow: hidden;\"\u003e\n\u003csummary style=\"background: #008377CF; color: #ffffff; padding: 12px 14px; font-weight: bold; cursor: pointer;\"\u003eIs professional installation required?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 14px;\"\u003eYes. This product should be installed by a \u003cstrong\u003ecompetent heating engineer\u003c\/strong\u003e in line with the manufacturer’s instructions and relevant UK heating and water treatment requirements. It is intended for \u003cstrong\u003enew, clean systems\u003c\/strong\u003e using correctly inhibited water.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":67655173865862,"sku":"306721","price":593.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/Vaillant__WH95_Low_Loss_Header_1.jpg?v=1792407713","url":"https:\/\/qualityheating.co.uk\/products\/vaillant-wh95-low-loss-header-306721-2in-bsp-8000-l-hr","provider":"AIZO Quality Heating","version":"1.0","type":"link"}