... ,CE 3.Antifreezing -40 degree Estonia Heat Pipe Solar Collector Specificationssolar collector; 1,Size:58/1800,47/1500 ... 3,Lifetime:15 years 4,Delivery date:7-20 days.Solar energy collector:Size: 47mm,1500mm ;58mm/1800mm, tube quantity ... can designed like swimming pool heat system. Heat Pipe Solar Collector Detailed SpecificationItemPartsDescriptionManifold boxManifold Outer Case1001 Aluminum alloy with ...