Drain and shut off exterior faucets/spigots.
- Leaks: Check for any visible leaks around the unit, pipes, and connections. Look for signs of water damage on the floor or ceiling below the unit.
- Corrosion: Inspect the unit for signs of rust, pitting, or other forms of corrosion.
- Physical Damage: Check for dents, cracks, or other physical damage to the unit.
Safety Checks
Gas Lines (for gas units):
- Check for leaks: Inspect gas lines for any signs of leaks (gas odor, hissing sounds).
- Proper ventilation: Ensure adequate ventilation for gas combustion.
Electrical Connections (for electric units):
- Check for loose wires or damaged insulation.
Pressure Relief Valve (T&P Valve):
- Test: Manually lift the T&P valve lever slightly to release a small amount of water.
- Inspect: Check for any signs of leaks or corrosion around the T&P valve. Ensure the discharge pipe is properly installed and directed away from the unit.
Operational Checks
Water Flow: Check for adequate hot water flow at multiple fixtures simultaneously.
Temperature: Ensure the unit is providing consistent hot water at the desired temperature.
Error Codes: Check for any error codes displayed on the unit’s control panel.
Maintenance Checks
Clean or Replace Water Filters:
- Frequency: Clean or replace water filters as recommended by the manufacturer’s instructions (typically every 6-12 months).
Clean Air Filters (for gas units):
- Frequency: Clean or replace air filters as recommended by the manufacturer’s instructions.
Descaling (if applicable):
- Frequency: Descale the unit to remove mineral buildup (frequency varies depending on water hardness and manufacturer recommendations).
- Method: Follow the manufacturer’s instructions for descaling procedures.
Important Notes:
- Safety First: Turn off the power or gas supply to the unit before conducting any inspections or maintenance.
- Professional Help: For any major concerns, descaling procedures, or if you are unsure about any aspect of this inspection, consult a qualified plumber or a technician certified to work on tankless water heaters.
jamesarmstrongplumbing.com/214-918-6109/[email protected]
