Envirosol Heat Pipe Collectors
Envirosol™ TZ58-1800 Heat Pipe Solar Collector Kits Includes solar collector, roof fixtures, expansion vessel, glycol, solar controller and pump station. Product Code Product Description SOL820VTS 20 Tube Heat Pipe Set SOL830VTS 30 Tube Heat Pipe Set SOL174FRK Flat on-roof mounting kit (20 Tube Set)