HYDRAULICS ATHENS HYDRAULICS. The site is about plumbers in Athens, Greece 210.365.24.24 Call now for immediate service. Are you looking for a plumber in Athens or plumbers in Athens? Our company, 24gr has plumbers in Athens with many years of experience in the field, who undertake plumbing projects and plumbing work, for many years. Our experienced staff is the reference point of our company as they undertake every hydraulic problem, regardless of scope, always discussing with the customer for the most advantageous and effective solution.