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30 yearwarranty*100mm injected foam insulation increases heat retention and efficiencyHigh performance heat recoveryMegaflo Commercial FlexistorDesigned to optimise installation flexibility, these calorifiers can be used as electrically heated cylinders with a wide variety of immersions to suit required application including buffer type installations. Available in a choice of sizes up to 2,500 litres, with options for 6 or 10 bar operating pressure.For more technical information, please visit heatraesadia.comUnvented Calorifiers6 BARTechnical information 400 500 800 1000 1250 1450 2000 2500Product code 7038353 7038354 7038355 7038356 7038357 7038358 7038359 7038360PerformanceNominal capacity (litres) 400 500 800 1,000 1,250 1,450 2,000 2,500Standby heat loss (kWh/24h) 1.79 1.96 2.17 2.42 2.43 2.65 3.14 3.36Max immersion upper (kW) 30 45 45 45 54 54 54 54Max immersion lower (kW) 9 12 18 36 30 36 36 36Heat up times @ max kW (mins)32 28 40 39 47 51 70 87Water heating efficiency classB C C C C C C n/aT&P valve settings 10 bar / 90%u00b0C10 bar / 90%u00b0C10 bar / 90%u00b0C10 bar / 90%u00b0C10 bar / 90%u00b0C10 bar / 90%u00b0C10 bar / 90%u00b0C10 bar / 90%u00b0COperating pressure (unvented) (bar)3 3 3 3 3 3 3 3GeneralHeight (mm) 1,534 1,804 1,906 2,301 1,936 2,253 2,014 2,419Diameter (mm) 872 872 1,024 1,024 1,224 1,224 1,470 1,470Weight %u2013 full (kg) 499 600 960 1,180 1,547 1,754 2,415 2,921Weight %u2013 empty (kg) 99 100 160 180 297 304 415 421Hot water storage 21