... 2) Temperature preservation is equipped with standard electric water heater setting, automatic temperature control exchanger, and increased ... collector, storage tank, electric control device, hot water mix unit and fittings for circulation and installationModelCollector ModelCapacity20 ... Bar)9Heat transfer fluidAnti-freeze Fluid (Water-Glycol)Max. working temp.( ºC)250hot water(L/Day)240160ΔT35 ºC( ...