In a semi-instantaneous tap-water system, the heated domestic hot water is stored in a buffer tank on the secondary side. The stored hot water is only used for peak periods when the domestic hot water demand is higher than the energy supply. Contrary to instantaneous systems these systems can operate with a smaller boiler (or heating network).Get A Quote
SST energysaving electric water boiler and warmer+80 liter electrical domestic water boiler Guangzhou SST Heating Energy Co., Ltd. US$ 230,00-US$ 250,00 / stukGet A Quote
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