# Solar Thermal Installers and Technicians > Install or repair solar energy systems designed to collect, store, and circulate solar-heated water for residential, commercial or industrial use. - Code: 47-2152.04 (O*NET-SOC; SOC 2018 47-2152) - Family: [Construction & Extraction](https://foundation.org.ai/occupations#family-47), one of its 65 occupations - Tasks: 21 tasks (20 core and 1 supplemental) - Page: https://foundation.org.ai/occupations/47-2152.04 - JSON: https://foundation.org.ai/data/tasks/47-2152.04.json ## What the work is made of 1. Test operation or functionality of mechanical, plumbing, electrical, and control systems. Core task · Task 17782 · Rated by 53 people who do the job, July 2015 2. Apply weather seal, such as pipe flashings and sealants, to roof penetrations and structural devices. Core task · Task 17784 · Rated by 52 people who do the job, July 2015 3. Install solar collector mounting devices on tile, asphalt, shingle, or built-up gravel roofs, using appropriate materials and penetration methods. Core task · Task 17780 · Rated by 52 people who do the job, July 2015 4. Install copper or plastic plumbing using pipes, fittings, pipe cutters, acetylene torches, solder, wire brushes, sand cloths, flux, plastic pipe cleaners, or plastic glue. Core task · Task 17775 · Rated by 53 people who do the job, July 2015 5. Identify plumbing, electrical, environmental, or safety hazards associated with solar thermal installations. Core task · Task 17773 · Rated by 52 people who do the job, July 2015 6. Demonstrate start-up, shut-down, maintenance, diagnostic, and safety procedures to thermal system owners. Core task · Task 17786 · Rated by 52 people who do the job, July 2015 7. Install circulating pumps using pipe, fittings, soldering equipment, electrical supplies, and hand tools. Core task · Task 17774 · Rated by 52 people who do the job, July 2015 8. Install flat-plat, evacuated glass, or concentrating solar collectors on mounting devices, using brackets or struts. Core task · Task 17776 · Rated by 53 people who do the job, July 2015 9. Install solar thermal system controllers and sensors. Core task · Task 17781 · Rated by 53 people who do the job, July 2015 10. Fill water tanks and check tanks, pipes, and fittings for leaks. Core task · Task 17772 · Rated by 52 people who do the job, July 2015 11. Design active direct or indirect, passive direct or indirect, or pool solar systems. Core task · Task 17766 · Rated by 53 people who do the job, July 2015 12. Determine locations for installing solar subsystem components, including piping, water heaters, valves, and ancillary equipment. Core task · Task 17771 · Rated by 52 people who do the job, July 2015 13. Perform routine maintenance or repairs to restore solar thermal systems to baseline operating conditions. Core task · Task 17767 · Rated by 52 people who do the job, July 2015 14. Install heat exchangers and heat exchanger fluids according to installation manuals and schematics. Core task · Task 17777 · Rated by 53 people who do the job, July 2015 15. Apply operation or identification tags or labels to system components, as required. Core task · Task 17768 · Rated by 53 people who do the job, July 2015 16. Connect water heaters and storage tanks to power and water sources. Core task · Task 17770 · Rated by 52 people who do the job, July 2015 17. Cut, miter, and glue piping insulation to insulate plumbing pipes and fittings. Core task · Task 17785 · Rated by 52 people who do the job, July 2015 18. Install plumbing, such as dip tubes, port fittings, drain tank valves, pressure temperature relief valves, or tanks, according to manufacturer specifications and building codes. Core task · Task 17779 · Rated by 52 people who do the job, July 2015 19. Install monitoring system components, such as flow meters, temperature gauges, and pressure gauges, according to system design and manufacturer specifications. Core task · Task 17778 · Rated by 52 people who do the job, July 2015 20. Assess collector sites to ensure structural integrity of potential mounting surfaces or the best orientation and tilt for solar collectors. Core task · Task 17769 · Rated by 52 people who do the job, July 2015 21. Apply ultraviolet radiation protection to prevent degradation of plumbing. Supplemental task · Task 17783 · Rated by 52 people who do the job, July 2015 ## More in Construction & Extraction - [Boilermakers](https://foundation.org.ai/occupations/47-2011.00): 17 tasks - [Brickmasons and Blockmasons](https://foundation.org.ai/occupations/47-2021.00): 14 tasks - [Carpenters](https://foundation.org.ai/occupations/47-2031.00): 29 tasks - [Carpet Installers](https://foundation.org.ai/occupations/47-2041.00): 16 tasks - [Cement Masons and Concrete Finishers](https://foundation.org.ai/occupations/47-2051.00): 26 tasks - [Construction and Building Inspectors](https://foundation.org.ai/occupations/47-4011.00): 19 tasks - [Construction and Related Workers, All Other](https://foundation.org.ai/occupations/47-4099.00): no tasks listed - [Construction Laborers](https://foundation.org.ai/occupations/47-2061.00): 27 tasks - [Continuous Mining Machine Operators](https://foundation.org.ai/occupations/47-5041.00): 15 tasks - [Derrick Operators, Oil and Gas](https://foundation.org.ai/occupations/47-5011.00): 15 tasks - 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