... 100L,150L,200L,240L,300L,400L,500L18, working temperature: 90 degree19, cold resistance: -38 degree20, easy installation and ... accepted Details partsManifold casing material Aluminum Frame material Aluminum Header pipe material Copper Heat pipe material Copper Insulation ... steel Frame Material Aluminum zinc steel or stainless steel Header Pipe Material C12200 Copper Insulation Polyurethane 55mm /Rock ...