Your tankless water heater service follows a systematic approach. First, your plumber evaluates current hot water usage, fixture count, and simultaneous demand. A family of four using two showers, a dishwasher, and a washing machine simultaneously needs 8-10 gallons per minute capacity.
Your plumber measures incoming water temperature. Fort Smith groundwater enters homes at 55-60 degrees in winter and 65-70 degrees in summer. The unit must raise temperature 55-65 degrees to reach 120-degree output. This temperature rise determines BTU requirements and proper unit sizing. Next, your gas line gets inspected. Gas meters and regulators must deliver adequate pressure.
Your installation includes gas line upgrades, venting installation, and water line connections. The unit mounts on exterior walls or in utility rooms with proper clearances. The final step involves calibration and testing. Your plumber sets temperature controls, tests safety sensors, and verifies proper ignition and flame operation. You receive operation instructions and maintenance schedules.