The solar heater work on the principle of accumulating heat by insulating conduction and convection loss.For which glass is used.heat loss through glass is prevented by repeated glass shielding.The solar Input of 1000watt per sq M is saved in the heater box and conveyed through air /water/oil circulation. The box sides are well insulated.It is usefull for cooking fruits ,roots, fish ,meat etc.Used for dehydration of the above articles under controlled temperature.Drain out heat for indirect dehydration purpose using air as medium for heat transfer.Good for heating up to 150deg C.
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