Heating and sanitary technician testing and adjusting a geothermal heating boiler plumber, technician, workman, heater, geotherm

---

Size: 3600px × 5400px
Photo credit: © Niels Poulsen simi2 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: adjust, adjusting, adjustment, apparatus, boiler, clean, cleaning, comfort, craftsman, device, engineer, fault, finding, fixed, fixing, geothermal, heater, heating, hot, instrument, instruments, journeyman, maintenance, maintening, measuring, mechanic, plumber, plumbing, regulator, repair, repairman, sanitary, service, shooting, technician, technicians, test, testing, tools, trouble, water, workman