{"product_id":"telford-tempest-300l-indirect-heat-pump-cylinder","title":"Telford Tempest 300L Indirect Heat Pump Cylinder","description":"\u003cp style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; line-height: 1.6; color: #333333; margin: 0 0 1rem 0;\"\u003eThe Telford Tempest 300L Indirect Heat Pump Cylinder is designed to work efficiently with air source heat pump systems, providing reliable mains pressure hot water for larger homes and demanding domestic applications. Its purpose designed 3m² heat exchange coil supports effective renewable energy transfer, while the durable Duplex stainless steel construction offers excellent corrosion resistance and long term reliability.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; line-height: 1.6; color: #333333; margin: 0 0 1.5rem 0;\"\u003eSupplied with a factory fitted 3kW immersion heater, remote expansion vessel and full unvented cylinder components, this high capacity cylinder provides a practical hot water solution for heat pump installations. A 3 port valve is not included and must be purchased separately.\u003c\/p\u003e\n\u003ch2 style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.8rem; color: #008377cf; margin: 1.5rem 0 1rem 0;\"\u003eKey Features\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(2,1fr); gap: 1rem; margin: 0 0 1.5rem 0; font-family: Arial,Helvetica,sans-serif;\"\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; background: #e8f5f3; padding: 1rem;\"\u003e\n\u003ch3 style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; color: #008377cf; margin: 0 0 0.6rem 0;\"\u003eHeat Pump Compatible\u003c\/h3\u003e\n\u003cp style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; line-height: 1.5; color: #333333; margin: 0;\"\u003eDesigned for use with a range of air source heat pump systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; background: #e8f5f3; padding: 1rem;\"\u003e\n\u003ch3 style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; color: #008377cf; margin: 0 0 0.6rem 0;\"\u003e300 Litre Capacity\u003c\/h3\u003e\n\u003cp style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; line-height: 1.5; color: #333333; margin: 0;\"\u003eProvides generous stored hot water capacity for larger households.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; background: #e8f5f3; padding: 1rem;\"\u003e\n\u003ch3 style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; color: #008377cf; margin: 0 0 0.6rem 0;\"\u003eEfficient 3m² Coil\u003c\/h3\u003e\n\u003cp style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; line-height: 1.5; color: #333333; margin: 0;\"\u003eThe large surface area coil supports effective heat transfer from renewable systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; background: #e8f5f3; padding: 1rem;\"\u003e\n\u003ch3 style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; color: #008377cf; margin: 0 0 0.6rem 0;\"\u003eDuplex Stainless Steel\u003c\/h3\u003e\n\u003cp style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; line-height: 1.5; color: #333333; margin: 0;\"\u003eOffers strong corrosion resistance for dependable long term performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; background: #e8f5f3; padding: 1rem;\"\u003e\n\u003ch3 style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; color: #008377cf; margin: 0 0 0.6rem 0;\"\u003e3kW Immersion Heater\u003c\/h3\u003e\n\u003cp style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; line-height: 1.5; color: #333333; margin: 0;\"\u003eProvides supplementary or back up water heating when required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; background: #e8f5f3; padding: 1rem;\"\u003e\n\u003ch3 style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; color: #008377cf; margin: 0 0 0.6rem 0;\"\u003eMains Pressure Hot Water\u003c\/h3\u003e\n\u003cp style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; line-height: 1.5; color: #333333; margin: 0;\"\u003eSupports strong flow rates throughout the domestic hot water system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; background: #e8f5f3; padding: 1rem;\"\u003e\n\u003ch3 style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; color: #008377cf; margin: 0 0 0.6rem 0;\"\u003eFull Unvented Kit\u003c\/h3\u003e\n\u003cp style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; line-height: 1.5; color: #333333; margin: 0;\"\u003eSupplied with key safety and control components for an unvented installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; background: #e8f5f3; padding: 1rem;\"\u003e\n\u003ch3 style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; color: #008377cf; margin: 0 0 0.6rem 0;\"\u003eReduced Heat Loss\u003c\/h3\u003e\n\u003cp style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; line-height: 1.5; color: #333333; margin: 0;\"\u003eFactory applied insulation helps retain stored hot water efficiently.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.8rem; color: #008377cf; margin: 1.5rem 0 1rem 0;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 2px solid #008377CF; font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; color: #333333; margin: 0 0 1.5rem 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #008377CF; color: #ffffff;\"\u003e\n\u003cth style=\"border: 1px solid #ffffff; padding: 0.8rem; text-align: left; font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ffffff; padding: 0.8rem; text-align: left; font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003eProduct type\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003eIndirect heat pump cylinder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf8;\"\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003eTelford\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003eRange\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003eTempest\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf8;\"\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003eProduct code\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003eTSMI300\/HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003eNominal capacity\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003e300 litres\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf8;\"\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003eHeight\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003e1,780mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003eDiameter\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003e580mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf8;\"\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003eEmpty weight\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003e44kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003eApproximate full weight\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003e338kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf8;\"\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003eHeat exchanger coil area\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003e3m²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003eImmersion heater\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003e3kW factory fitted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf8;\"\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003eCylinder material\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003eDuplex stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003eCoil and fitting material\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003e316L grade stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf8;\"\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003eCoil and fitting size\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003e22mm compression connections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003eStanding heat loss\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003e2.22kWh\/24 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf8;\"\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003eMaximum supply pressure\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003e12 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003eMaximum primary pressure\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003e3 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf8;\"\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003eTemperature and pressure valve setting\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #008377CF; padding: 0.8rem;\"\u003e7 bar \/ 90°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.8rem; color: #008377cf; margin: 1.5rem 0 1rem 0;\"\u003eIncluded Components\u003c\/h2\u003e\n\u003cul style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; line-height: 1.6; color: #333333; margin: 0 0 1.5rem 1.5rem; padding: 0;\"\u003e\n\u003cli style=\"margin-bottom: 0.5rem;\"\u003e3kW immersion heater.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0.5rem;\"\u003eTemperature and pressure relief valve.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0.5rem;\"\u003eAcetal tundish.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0.5rem;\"\u003eInlet group control.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0.5rem;\"\u003e2-port valve.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0.5rem;\"\u003eExternal expansion vessel.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0.5rem;\"\u003eDual-probe thermostat.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0.5rem;\"\u003eWall-mounting bracket for the expansion vessel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.8rem; color: #008377cf; margin: 1.5rem 0 1rem 0;\"\u003eSuitable Applications\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(2,1fr); gap: 1rem; margin: 0 0 1.5rem 0; font-family: Arial,Helvetica,sans-serif;\"\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; background: #dff1ee; padding: 1rem;\"\u003e\n\u003ch3 style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; color: #008377cf; margin: 0 0 0.6rem 0;\"\u003eLarger Homes\u003c\/h3\u003e\n\u003cp style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; line-height: 1.5; color: #333333; margin: 0;\"\u003eThe 300-litre capacity is well suited to households with higher hot-water demand.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; background: #dff1ee; padding: 1rem;\"\u003e\n\u003ch3 style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; color: #008377cf; margin: 0 0 0.6rem 0;\"\u003eAir Source Heat Pumps\u003c\/h3\u003e\n\u003cp style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; line-height: 1.5; color: #333333; margin: 0;\"\u003eA practical hot-water storage option for renewable heating installations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; background: #dff1ee; padding: 1rem;\"\u003e\n\u003ch3 style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; color: #008377cf; margin: 0 0 0.6rem 0;\"\u003eNew-Build Properties\u003c\/h3\u003e\n\u003cp style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; line-height: 1.5; color: #333333; margin: 0;\"\u003eSupports efficient domestic hot-water design in modern low-carbon homes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #008377CF; border-radius: 8px; background: #dff1ee; padding: 1rem;\"\u003e\n\u003ch3 style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; color: #008377cf; margin: 0 0 0.6rem 0;\"\u003eTrade Installations\u003c\/h3\u003e\n\u003cp style=\"font-family: Arial,Helvetica,sans-serif; font-size: 1.7rem; line-height: 1.5; color: #333333; margin: 0;\"\u003eSupplied with essential unvented components to support professional installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Telford","offers":[{"title":"Default Title","offer_id":67581401596294,"sku":"TSMI300\/HP","price":1250.0,"currency_code":"GBP","in_stock":true}],"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-300l-indirect-heat-pump-cylinder","provider":"AIZO Quality Heating","version":"1.0","type":"link"}