Vacuum Tube Non-Pressurized Solar Water Heater (SPC/R)

Certification: Have passed SRCC, CE, ISO9001:2000, CCC, solar Keymark, SABS and other certification Features: 1) Outer tank material:SUS304 2B stainless steel plate or Colour steel. 2) Inner tank material:SUS304 BA food grade stainless steel plate 3) Supporting frame:Stainless steel plate 4) Isolation layer:50-65mm imported polyurethane foam for superior heat preservation 5) Specification of vacuum tube Absorption rate:≥93%, thermal radiation rate:≤6% Temperature when ecposed to sun without water:250 degree, 2.5 hours to boiling if using tube. Resist 25mm hall, life scale can last 20 years. 6) Type:15, 18, 20, 24, 30 tubes 7) Easy installation and be installed on the roof or at ground level. ModelLigthing(m2)Vacuum TubeSupply hotwater(L/D)20/40" containerdiameterlengthNo.SP420-1500/47-121.26Ø47mm1500mm127090/205SP420-1500/47-181.801810063/147SP420-1500/47-242.492413050/116SP420-1500/47-303.153016038/89SP470-1500/47-121.26Ø47mm1500mm129078/176SP470-1500/47-181.801813062/136SP470-1500/47-242.492416851/108SP470-1500/47-303.153021042/90SP470-1800/58-121.68Ø58mm1800mm1210066/146SP470-1800/58-182.571815048/110SP470-1800/58-243.402420032/76SP470-1800/58-304.323025026/63OEM SERVICE         we are a professional manufacturer       Our advantages:Our products process:  /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1