{"product_id":"telford-tempest-500l-indirect-heat-pump-cylinder","title":"Telford Tempest 500L Indirect Heat Pump Cylinder","description":"\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif; font-size: 1.7rem; line-height: 1.6; color: #333333; margin-bottom: 24px;\"\u003e\n\u003cp style=\"margin: 0 0 16px 0;\"\u003eThe Telford Tempest 500L Indirect Heat Pump Cylinder is a high capacity hot water storage solution designed for use with air source heat pump systems. Its large 500 litre capacity makes it suitable for larger homes, high demand domestic hot water applications and selected commercial installations.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 16px 0;\"\u003eManufactured from durable Duplex stainless steel, this unvented cylinder provides mains pressure hot water and high flow rates while offering excellent resistance to corrosion. A purpose designed 3m² heat exchange coil supports efficient transfer of renewable heat into the stored water, while the factory fitted 3kW immersion heater provides reliable back up heating when required.\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eThe cylinder is fully insulated to help reduce standing heat loss and is supplied with essential unvented system components, including an external expansion vessel, tundish, inlet control group and safety valves. A 3 port valve is not included and must be purchased separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"font-family: Arial, Helvetica, sans-serif; font-size: 1.8rem; color: #008377cf; margin: 28px 0 16px 0;\"\u003eKey Features\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; font-family: Arial, Helvetica, sans-serif; font-size: 1.7rem; line-height: 1.5; color: #333333; margin-bottom: 28px;\"\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; padding: 18px; background-color: #e8f5f3;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003e500 Litre Capacity\u003c\/strong\u003e Provides substantial hot water storage for larger households and high demand applications.\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; padding: 18px; background-color: #f1faf8;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eHeat Pump Compatible\u003c\/strong\u003e Designed for indirect connection to suitable air source heat pump systems.\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; padding: 18px; background-color: #e8f5f3;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003e3m² Heat Exchange Coil\u003c\/strong\u003e Supports efficient renewable heat transfer into the stored domestic hot water.\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; padding: 18px; background-color: #f1faf8;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eDuplex Stainless Steel\u003c\/strong\u003e Offers strong corrosion resistance and long term durability.\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; padding: 18px; background-color: #e8f5f3;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eMains Pressure Hot Water\u003c\/strong\u003e Delivers high flow hot water directly from the mains fed unvented system.\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; padding: 18px; background-color: #f1faf8;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eFactory Fitted 3kW Immersion Heater\u003c\/strong\u003e Provides dependable supplementary or back up heating.\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; padding: 18px; background-color: #e8f5f3;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eComplete Unvented Kit\u003c\/strong\u003e Supplied with key safety and control components for installation.\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; padding: 18px; background-color: #f1faf8;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eFully Insulated Design\u003c\/strong\u003e Helps minimise standing heat loss and improve overall system efficiency.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"font-family: Arial, Helvetica, sans-serif; font-size: 1.8rem; color: #008377cf; margin: 28px 0 16px 0;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto; font-family: Arial, Helvetica, sans-serif; font-size: 1.7rem; color: #333333; margin-bottom: 28px;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 2px solid #008377CF; background-color: #ffffff;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #ddf1ee;\"\u003e\n\u003cth style=\"width: 42%; border: 1px solid #008377CF; padding: 14px; text-align: left; color: #006b62;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #008377CF; padding: 14px; text-align: left; color: #006b62;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003eProduct type\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003eIndirect unvented heat pump cylinder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f1faf8;\"\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003eTelford\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003eRange\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003eTempest\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f1faf8;\"\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003eProduct code\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003eTSMI500\/HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003eNominal capacity\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003e500 litres\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f1faf8;\"\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003eHeight\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003e1835 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003eDiameter\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003e710 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f1faf8;\"\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003eEmpty weight\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003e59 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003eApproximate full weight\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003e544 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f1faf8;\"\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003eHeat exchange coil area\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003e3 m²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003eImmersion heater\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003e3 kW factory fitted immersion heater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f1faf8;\"\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003eDuplex stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003eCoil and fittings\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003e316L grade stainless steel, 22mm compression fittings and coil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f1faf8;\"\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003eStanding heat loss\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003e2.49 kWh per 24 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003eMaximum supply pressure\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003e12 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f1faf8;\"\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003eMaximum primary pressure\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003e3 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003eTemperature and pressure relief valve setting\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003e7 bar \/ 90°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f1faf8;\"\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003eHot water system\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 14px;\"\u003eMains pressure unvented system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"font-family: Arial, Helvetica, sans-serif; font-size: 1.8rem; color: #008377cf; margin: 28px 0 16px 0;\"\u003eIncluded Components\u003c\/h2\u003e\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif; font-size: 1.7rem; line-height: 1.6; color: #333333; margin-bottom: 28px;\"\u003e\n\u003cul style=\"margin: 0; padding-left: 28px;\"\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e3kW immersion heater.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003eTemperature and pressure relief valve.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003eAcetal tundish.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003eInlet group control.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e2 port valve.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003eExternal expansion vessel.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003eDual probe thermostat.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003eWall mounting bracket for the external expansion vessel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"font-family: Arial, Helvetica, sans-serif; font-size: 1.8rem; color: #008377cf; margin: 28px 0 16px 0;\"\u003eSuitable Applications\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; font-family: Arial, Helvetica, sans-serif; font-size: 1.7rem; line-height: 1.5; color: #333333; margin-bottom: 28px;\"\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; padding: 18px; background-color: #e8f5f3;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eLarger Homes\u003c\/strong\u003e Suitable for properties requiring a high volume of stored domestic hot water.\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; padding: 18px; background-color: #f1faf8;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eAir Source Heat Pump Systems\u003c\/strong\u003e Designed to work with compatible indirect air source heat pump installations.\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; padding: 18px; background-color: #e8f5f3;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eHigh Demand Hot Water Areas\u003c\/strong\u003e A practical choice for homes with multiple bathrooms or frequent simultaneous hot water use.\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; padding: 18px; background-color: #f1faf8;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eTrade Installations\u003c\/strong\u003e Supplied with key unvented system components to support professional installation.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"font-family: Arial, Helvetica, sans-serif; font-size: 1.8rem; color: #008377cf; margin: 28px 0 16px 0;\"\u003eInstallation Information\u003c\/h2\u003e\n\u003cp style=\"font-family: Arial, Helvetica, sans-serif; font-size: 1.7rem; line-height: 1.6; color: #333333; margin: 0;\"\u003eThis is an unvented cylinder and must be installed, commissioned and serviced by a suitably qualified professional in accordance with applicable UK regulations and manufacturer instructions. The 3 port valve is not included with the cylinder and must be sourced separately where required by the heating system design.\u003c\/p\u003e","brand":"Telford","offers":[{"title":"Default Title","offer_id":67581474570630,"sku":"TSMI500\/HP","price":1495.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/telford-heat-pump-cylinder_3d1b877e-3a72-4fa5-a0e9-e8ed73c00ae4.jpg?v=1791363649","url":"https:\/\/qualityheating.co.uk\/products\/telford-tempest-500l-indirect-heat-pump-cylinder","provider":"AIZO Quality Heating","version":"1.0","type":"link"}