This video shows the build of a Simple Pex Coil Solar Thermal Water Heater.asy DIY! No Soldering, Clamps, Crimp Rings, Glues, Unions, or that expensive crimping tool! in my design it’s just 2 push-to-fit “shark-bite” connectors! (located outside of collector) and because it’s all one piece of tube, the unit has no potential internal leak points.PEX is sturdy, tough and rigid. water temp rating range… 33F to 185F-200F (93°C) water! …and if temps hit or fall below 32F (0°C) it’s freeze damage resistant! it’ll freeze but doesn’t break. the connectors are made to last at least 25 years and pipe is rated 50+ years.
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