Solar heater model: 1.ISO9001:2000 ,CCC 2.Very cheap and easy to display Non-pressurized Solar heater:Features: 1) Can be operated completely automatic if connect with intelligent controller.2) Vacuum tube: 1,800mm / Φ58, 15pcs, 20pcs or 30pcs3) Tank: 150L, 200L, 300L4) Collector housing: 0.8mm stainless steel, frame 1.5mm stainless steel, insulation material, rock wool or polyurethane5) ...
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