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2. The water inside of the vacuum tube
3. The vacuum tube insert into the non pressure tank, so the hot water and cold water could circulate by themselves because of the different density
4. The non pressure tank has the PU layer to keep the water hot and storage the water
5. Direct open loop type, through the water head, supply the hot water into the shower room
6. Easy to install and high heat transfer rate over 95%
7. With the feeder tank, it could load the water automatically and reduce the water pressure
8. Widely used in Middle East, Mexico and the water supply system with a big storage tank
Material
Inner tank: SUS304/2B 0.4mm/0.5mm/0.6mm
Outer tank: zinc steel plate 0.4mm/PVDF/SUS304/SUS430
Insulation layer: PU
Vacuum tube: QB-AL-NAL-58*1800
frame: zinc steel painted plate 1.5mm/aluminium sheet 1.2mm/SUS304 1.2mm
Remark:
1. Dia of inner tank/outer tank: 360mm/460mm 310mm/410mm
2. PU layer: 50mm
3. Inlet/outlet/air vet: 1/2 inch or 3/4 inch
4. Feeder tank: 20L/50L
5. Reflector and electric heater for option
