Maintenance ChecklistPlumbing
Water Heater Maintenance Checklist Template
Extend water heater life and ensure safe operation with comprehensive maintenance for gas, electric, and tankless units.
Free Template
Overview
Regular water heater maintenance prevents failures and extends equipment life. This comprehensive checklist covers safety devices, heating elements, tank condition, and efficiency optimization for all water heater types including gas, electric, and tankless models.
Key Benefits
Complete Checklist
General Inspection
- Check unit age and condition
- Inspect for visible corrosion
- Look for signs of water leaks
- Check installation code compliance
- Verify proper clearances maintained
- Inspect earthquake strapping if required
- Check expansion tank if installed
- Verify proper drainage available
- Inspect insulation blanket if present
- Document unit information and condition
Temperature and Pressure Relief
- Inspect T&P valve condition
- Check T&P discharge tube routing
- Test T&P valve operation manually
- Verify discharge terminates safely
- Check for T&P valve weeping
- Verify correct T&P rating for unit
- Inspect for corrosion at T&P connection
- Check discharge tube material
- Document T&P test results
- Replace if T&P fails testing
Tank and Anode Rod (Tank Type)
- Flush tank to remove sediment
- Inspect drain valve operation
- Check anode rod condition
- Measure anode rod remaining diameter
- Replace anode rod if depleted
- Inspect dip tube if accessible
- Check for tank bulging or damage
- Inspect tank bottom for corrosion
- Check glass lining condition indicators
- Document tank condition findings
Gas System (Gas Units)
- Check gas line connections for leaks
- Inspect gas shutoff valve operation
- Check flex connector condition
- Inspect burner flame pattern and color
- Check thermocouple or flame sensor
- Inspect pilot assembly if applicable
- Check draft hood and flue connection
- Inspect combustion air supply
- Check venting for proper slope
- Test carbon monoxide levels
Electrical System (Electric Units)
- Check electrical connection condition
- Verify proper wire gauge and breaker
- Test upper heating element
- Test lower heating element
- Check thermostat operation
- Test high limit safety switch
- Inspect wiring for damage
- Check element gaskets for leaks
- Verify proper grounding
- Document electrical test results
Tankless Specific (Tankless Units)
- Flush heat exchanger with descaler
- Clean inlet water filter
- Check combustion air intake
- Inspect venting and termination
- Test ignition sequence
- Check error code history
- Verify flow rate and temperature rise
- Inspect condensate drain if condensing
- Check remote control operation
- Document service and flush date
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