{"product_id":"megaflo-main-170-litre-indirect-unvented-hot-water-cylinder-7912279","title":"Megaflo Main 170 Litre Indirect Unvented Hot Water Cylinder - 7912279","description":"\u003cp style=\"color: #374151; font-size: 16px; line-height: 1.6; margin: 0 0 10px;\"\u003eThe \u003cstrong\u003eMegaflo Main 170 Litre Indirect Unvented Hot Water Cylinder (7912279)\u003c\/strong\u003e is a UK-manufactured stainless steel hot water cylinder designed to provide mains-pressure hot water heated indirectly by a gas, oil, or system boiler. With a \u003cstrong\u003e170-litre nominal capacity\u003c\/strong\u003e and factory-fitted Incoloy 800 immersion heater backup, it is well suited to medium-sized homes with one or two bathrooms.\u003c\/p\u003e\n\u003c!-- more --\u003e\n\u003cp style=\"color: #374151; font-size: 16px; line-height: 1.6; margin: 0 0 10px;\"\u003e\u003cem\u003eMegaflo Main is the new name for the Main unvented cylinder range. This model replaces the Main 170 Litre Indirect Unvented Hot Water Cylinder (5133563).\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"color: #374151; font-size: 16px; line-height: 1.6; margin: 0 0 18px;\"\u003eThe cylinder features a \u003cstrong\u003e22mm stainless steel coil-in-coil heat exchanger\u003c\/strong\u003e with a 16kW rating for heat transfer from the primary heating system. Its 50mm factory-injected polyurethane insulation helps minimise standing heat loss, while the supplied 18-litre expansion vessel, pressure reducing valve, T\u0026amp;P relief valve and 2-port motorised valve support the specified unvented system configuration.\u003c\/p\u003e\n\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 18px;\"\u003e\n  \u003cspan style=\"background: #e0f2fe; color: #0369a1; padding: 6px 12px; border-radius: 999px; font-size: 13px; font-weight: 600;\"\u003e170 Litre Capacity\u003c\/span\u003e\n  \u003cspan style=\"background: #fdefe0; color: #c2410c; padding: 6px 12px; border-radius: 999px; font-size: 13px; font-weight: 600;\"\u003eIndirect Unvented\u003c\/span\u003e\n  \u003cspan style=\"background: #eef2ff; color: #4338ca; padding: 6px 12px; border-radius: 999px; font-size: 13px; font-weight: 600;\"\u003e16 kW Coil\u003c\/span\u003e\n  \u003cspan style=\"background: #f3f4f6; color: #374151; padding: 6px 12px; border-radius: 999px; font-size: 13px; font-weight: 600;\"\u003e25 Year Inner Vessel Warranty\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 12px; margin: 0 0 22px;\"\u003e\n  \u003cdiv style=\"flex: 1 1 200px; border: 1px solid #cbd5e1; border-left: 4px solid #0284c7; padding: 12px; border-radius: 6px; background: #f4f8fc;\"\u003e\n    \u003cdiv style=\"font-size: 13px; color: #64748b;\"\u003eCapacity\u003c\/div\u003e\n    \u003cdiv style=\"font-size: 20px; font-weight: 700; color: #0369a1;\"\u003e170 L\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"flex: 1 1 200px; border: 1px solid #cbd5e1; border-left: 4px solid #c2410c; padding: 12px; border-radius: 6px; background: #f4f8fc;\"\u003e\n    \u003cdiv style=\"font-size: 13px; color: #64748b;\"\u003ePrimary Coil\u003c\/div\u003e\n    \u003cdiv style=\"font-size: 20px; font-weight: 700; color: #c2410c;\"\u003e16 kW\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"flex: 1 1 200px; border: 1px solid #cbd5e1; border-left: 4px solid #4338ca; padding: 12px; border-radius: 6px; background: #f4f8fc;\"\u003e\n    \u003cdiv style=\"font-size: 13px; color: #4338ca;\"\u003eStanding Heat Loss\u003c\/div\u003e\n    \u003cdiv style=\"font-size: 20px; font-weight: 700; color: #4338ca;\"\u003e1.92 kWh\/24h\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"flex: 1 1 200px; border: 1px solid #cbd5e1; border-left: 4px solid #475569; padding: 12px; border-radius: 6px; background: #f4f8fc;\"\u003e\n    \u003cdiv style=\"font-size: 13px; color: #64748b;\"\u003eWarranty\u003c\/div\u003e\n    \u003cdiv style=\"font-size: 20px; font-weight: 700; color: #475569;\"\u003e25 Years\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #0369a1; font-size: 21px; margin: 22px 0 12px;\"\u003eApplications \u0026amp; suitability\u003c\/h3\u003e\n\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px;\"\u003e\n  \u003cdiv style=\"flex: 1 1 220px; border: 1px solid #e5e7eb; padding: 14px; border-radius: 6px; background: #f4f8fc;\"\u003e\n    \u003cstrong style=\"color: #0369a1;\"\u003eMedium-Sized Homes\u003c\/strong\u003e\n    \u003cdiv style=\"font-size: 14px; line-height: 1.5; color: #475569; margin-top: 6px;\"\u003eThe 170-litre capacity is suited to medium-sized residential properties requiring stored mains-pressure hot water.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"flex: 1 1 220px; border: 1px solid #e5e7eb; padding: 14px; border-radius: 6px; background: #f4f8fc;\"\u003e\n    \u003cstrong style=\"color: #0369a1;\"\u003eOne or Two Bathrooms\u003c\/strong\u003e\n    \u003cdiv style=\"font-size: 14px; line-height: 1.5; color: #475569; margin-top: 6px;\"\u003eDesigned for homes with one or two bathrooms requiring reliable domestic hot water storage.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"flex: 1 1 220px; border: 1px solid #e5e7eb; padding: 14px; border-radius: 6px; background: #f4f8fc;\"\u003e\n    \u003cstrong style=\"color: #0369a1;\"\u003eBoiler-Heated Systems\u003c\/strong\u003e\n    \u003cdiv style=\"font-size: 14px; line-height: 1.5; color: #475569; margin-top: 6px;\"\u003eThe indirect design allows heating through a compatible gas, oil or system boiler via the primary coil.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"flex: 1 1 220px; border: 1px solid #e5e7eb; padding: 14px; border-radius: 6px; background: #f4f8fc;\"\u003e\n    \u003cstrong style=\"color: #0369a1;\"\u003eDomestic Hot Water Storage\u003c\/strong\u003e\n    \u003cdiv style=\"font-size: 14px; line-height: 1.5; color: #475569; margin-top: 6px;\"\u003eA practical unvented cylinder option where mains-pressure hot water storage and indirect heating are required.\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #0369a1; font-size: 21px; margin: 22px 0 12px;\"\u003eKey specifications\u003c\/h3\u003e\n\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 22px;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; color: #374151;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e5e7eb; padding: 9px; font-weight: 600; background: #f4f8fc;\"\u003eProduct Code\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e5e7eb; padding: 9px;\"\u003e7912279\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e5e7eb; padding: 9px; font-weight: 600; background: #f4f8fc;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e5e7eb; padding: 9px;\"\u003eIndirect Unvented\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e5e7eb; padding: 9px; font-weight: 600; background: #f4f8fc;\"\u003eNominal Capacity\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e5e7eb; padding: 9px;\"\u003e170 Litres\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e5e7eb; padding: 9px; font-weight: 600; background: #f4f8fc;\"\u003eHeight (A)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e5e7eb; padding: 9px;\"\u003e1241 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e5e7eb; padding: 9px; font-weight: 600; background: #f4f8fc;\"\u003eDiameter\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e5e7eb; padding: 9px;\"\u003eØ 550 mm (cylinder) \/ 595 mm (base)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e5e7eb; padding: 9px; font-weight: 600; background: #f4f8fc;\"\u003eWeight (Empty)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e5e7eb; padding: 9px;\"\u003e35 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e5e7eb; padding: 9px; font-weight: 600; background: #f4f8fc;\"\u003eCoil Rating\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e5e7eb; padding: 9px;\"\u003e16 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e5e7eb; padding: 9px; font-weight: 600; background: #f4f8fc;\"\u003eCoil Heat-Up Time\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e5e7eb; padding: 9px;\"\u003e33 mins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e5e7eb; padding: 9px; font-weight: 600; background: #f4f8fc;\"\u003eRecovery Time\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e5e7eb; padding: 9px;\"\u003e25 mins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e5e7eb; padding: 9px; font-weight: 600; background: #f4f8fc;\"\u003eStanding Heat Loss\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e5e7eb; padding: 9px;\"\u003e1.92 kWh\/24h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e5e7eb; padding: 9px; font-weight: 600; background: #f4f8fc;\"\u003eErP Energy Rating\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e5e7eb; padding: 9px;\"\u003eC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e5e7eb; padding: 9px; font-weight: 600; background: #f4f8fc;\"\u003eOperating Pressure\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e5e7eb; padding: 9px;\"\u003e3.5 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e5e7eb; padding: 9px; font-weight: 600; background: #f4f8fc;\"\u003eExpansion Vessel\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e5e7eb; padding: 9px;\"\u003e18 litre (supplied)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e5e7eb; padding: 9px; font-weight: 600; background: #f4f8fc;\"\u003eConnections\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e5e7eb; padding: 9px;\"\u003e22mm compression \/ ¾\" BSP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #0369a1; font-size: 21px; margin: 22px 0 12px;\"\u003eInstallation \u0026amp; compatibility\u003c\/h3\u003e\n\n\u003cdiv style=\"background: #f4f8fc; border-left: 4px solid #0284c7; padding: 15px 16px; border-radius: 6px; margin-bottom: 22px; color: #374151; font-size: 15px; line-height: 1.6;\"\u003e\n  The \u003cstrong\u003eMegaflo Main 170 Litre Indirect Unvented Hot Water Cylinder\u003c\/strong\u003e is designed for indirect heating from a compatible gas, oil or system boiler. The 22mm stainless steel coil-in-coil heat exchanger has a \u003cstrong\u003e16 kW rating\u003c\/strong\u003e, while the factory-fitted 3.0 kW Incoloy 800 immersion heater provides backup heating capability. The cylinder operates at a specified \u003cstrong\u003e3.5 bar pressure\u003c\/strong\u003e and is supplied with an 18-litre expansion vessel, T\u0026amp;P relief valve, pressure reducing valve, 2-port motorised valve and factory-fitted controls.\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #0369a1; font-size: 21px; margin: 22px 0 12px;\"\u003eDesign \u0026amp; performance benefits\u003c\/h3\u003e\n\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px;\"\u003e\n  \u003cdiv style=\"flex: 1 1 220px; border: 1px solid #e5e7eb; padding: 14px; border-radius: 6px;\"\u003e\n    \u003cstrong style=\"color: #0369a1;\"\u003eCoil-in-Coil Heat Exchanger\u003c\/strong\u003e\n    \u003cdiv style=\"font-size: 14px; line-height: 1.5; color: #475569; margin-top: 6px;\"\u003eThe 22mm stainless steel coil-in-coil heat exchanger is rated at 16 kW and provides the primary heat transfer system for indirect heating.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"flex: 1 1 220px; border: 1px solid #e5e7eb; padding: 14px; border-radius: 6px;\"\u003e\n    \u003cstrong style=\"color: #0369a1;\"\u003eStainless Steel Construction\u003c\/strong\u003e\n    \u003cdiv style=\"font-size: 14px; line-height: 1.5; color: #475569; margin-top: 6px;\"\u003eThe high-grade stainless steel inner vessel is pressure tested to 15 bar and is covered by a 25-year inner vessel warranty.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"flex: 1 1 220px; border: 1px solid #e5e7eb; padding: 14px; border-radius: 6px;\"\u003e\n    \u003cstrong style=\"color: #0369a1;\"\u003e50mm PU Insulation\u003c\/strong\u003e\n    \u003cdiv style=\"font-size: 14px; line-height: 1.5; color: #475569; margin-top: 6px;\"\u003eFactory-injected 50mm CFC\/HCFC-free polyurethane foam insulation helps minimise heat loss from the stored hot water.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"flex: 1 1 220px; border: 1px solid #e5e7eb; padding: 14px; border-radius: 6px;\"\u003e\n    \u003cstrong style=\"color: #0369a1;\"\u003eBackup Immersion Heater\u003c\/strong\u003e\n    \u003cdiv style=\"font-size: 14px; line-height: 1.5; color: #475569; margin-top: 6px;\"\u003eA factory-fitted 3.0 kW Incoloy 800 alloy immersion element at 240V provides backup heating capability.\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #0369a1; font-size: 21px; margin: 22px 0 12px;\"\u003eAdditional installation features\u003c\/h3\u003e\n\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px;\"\u003e\n  \u003cdiv style=\"flex: 1 1 220px; background: #f4f8fc; padding: 14px; border-radius: 6px;\"\u003e\n    \u003cstrong style=\"color: #0369a1;\"\u003eUnvented System Components\u003c\/strong\u003e\n    \u003cdiv style=\"font-size: 14px; line-height: 1.5; color: #475569; margin-top: 6px;\"\u003eSupplied with an 18-litre expansion vessel, T\u0026amp;P relief valve, pressure reducing valve and factory-fitted controls.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"flex: 1 1 220px; background: #f4f8fc; padding: 14px; border-radius: 6px;\"\u003e\n    \u003cstrong style=\"color: #0369a1;\"\u003eMotorised Valve\u003c\/strong\u003e\n    \u003cdiv style=\"font-size: 14px; line-height: 1.5; color: #475569; margin-top: 6px;\"\u003eIncludes a 2-port motorised valve for primary over-temperature protection as specified for the cylinder.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"flex: 1 1 220px; background: #f4f8fc; padding: 14px; border-radius: 6px;\"\u003e\n    \u003cstrong style=\"color: #0369a1;\"\u003eKIWA \u0026amp; G3 Compliance\u003c\/strong\u003e\n    \u003cdiv style=\"font-size: 14px; line-height: 1.5; color: #475569; margin-top: 6px;\"\u003eKIWA approved and specified as compliant with Building Regulation G3 and Water Regulations, with CE marking.\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #0369a1; font-size: 21px; margin: 22px 0 12px;\"\u003eIdeal for\u003c\/h3\u003e\n\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px;\"\u003e\n  \u003cdiv style=\"flex: 1 1 220px; border: 1px solid #e5e7eb; padding: 14px; border-radius: 6px; background: #f4f8fc;\"\u003e\n    \u003cstrong style=\"color: #0369a1;\"\u003eMedium-Sized Homes\u003c\/strong\u003e\n    \u003cdiv style=\"font-size: 14px; line-height: 1.5; color: #475569; margin-top: 6px;\"\u003eA 170-litre cylinder for domestic properties requiring stored hot water for everyday household use.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"flex: 1 1 220px; border: 1px solid #e5e7eb; padding: 14px; border-radius: 6px; background: #f4f8fc;\"\u003e\n    \u003cstrong style=\"color: #0369a1;\"\u003eOne or Two Bathrooms\u003c\/strong\u003e\n    \u003cdiv style=\"font-size: 14px; line-height: 1.5; color: #475569; margin-top: 6px;\"\u003eSuitable for homes with one or two bathrooms and a requirement for mains-pressure stored hot water.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"flex: 1 1 220px; border: 1px solid #e5e7eb; padding: 14px; border-radius: 6px; background: #f4f8fc;\"\u003e\n    \u003cstrong style=\"color: #0369a1;\"\u003eMain System Boiler Installations\u003c\/strong\u003e\n    \u003cdiv style=\"font-size: 14px; line-height: 1.5; color: #475569; margin-top: 6px;\"\u003ePairs with Main Eco Compact System or Main Eco Elite System boilers for an indirect domestic hot water setup.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"flex: 1 1 220px; border: 1px solid #e5e7eb; padding: 14px; border-radius: 6px; background: #f4f8fc;\"\u003e\n    \u003cstrong style=\"color: #0369a1;\"\u003eReplacement \u0026amp; New Installations\u003c\/strong\u003e\n    \u003cdiv style=\"font-size: 14px; line-height: 1.5; color: #475569; margin-top: 6px;\"\u003eSuitable for domestic cylinder replacement projects and new installations requiring a 170-litre indirect unvented cylinder.\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cp style=\"color: #374151; font-size: 16px; line-height: 1.6; margin: 0;\"\u003eThe \u003cstrong\u003eMegaflo Main 170 Litre Indirect Unvented Hot Water Cylinder 7912279\u003c\/strong\u003e combines 170-litre storage, a 16 kW stainless steel coil-in-coil heat exchanger and a factory-fitted Incoloy 800 immersion heater. With 50mm polyurethane insulation, a 3.5 bar operating pressure, KIWA approval, Building Regulation G3 compliance and a 25-year stainless steel inner vessel warranty, it provides a practical solution for medium-sized domestic hot water systems.\u003c\/p\u003e","brand":"Megaflo","offers":[{"title":"Default Title","offer_id":53685708587344,"sku":"7912279","price":633.14,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0858\/5268\/4624\/files\/main-170-litre-indirect-unvented-hot-water-cylinder-5133563-4629945.jpg?v=1779438608","url":"https:\/\/getplumb.co.uk\/it\/products\/megaflo-main-170-litre-indirect-unvented-hot-water-cylinder-7912279","provider":"Getplumb","version":"1.0","type":"link"}