No, solar vacuum tubes do not require a separate pump for circulation.
Yes, solar vacuum tubes typically require a separate pump for circulation. The pump is responsible for moving the heat transfer fluid through the tubes, aiding in the transfer of heat from the tubes to the water or air being heated.
Yes, solar vacuum tubes do require a separate pump for circulation. The pump is responsible for moving the heat transfer fluid (usually a mixture of water and antifreeze) through the tubes, which helps transfer the collected solar energy to the desired location or storage system.
