Follow the exact water-heater service plan
Tank, tankless, heat-pump, gas, electric, solar, and indirect water heaters have different service and safety needs.
When it usually needs attention
Timing comes from the exact model manual or written service plan
The exact model manual and qualified service policy supply the interval and scope.
When this guide applies
Applies only when a water heater is confirmed.
What to do
Record the type, model, fuel, leaks, alarms, and exact manual schedule, then route internal service to the qualified trade.
Applies when: Applies only when a water heater is confirmed.
Who should handle it: The responsible owner or manager authorizes service; a resident reports leaks, vent concerns, or alarm codes.
Tools
- Model/serial photo
- Service and warranty records
Parts and supplies
- None until the exact manual and provider identify parts
Safety gear
- None for observation and scheduling
Before you start
- Exact manual
- Qualified provider for internal or fuel work
Power, water, or fuel shutoffs
- Do not operate fuel, electrical, pressure-relief, or drain controls without an exact safe procedure
Cleaner or chemical limits
No generic descaler, anode, flush chemical, vinegar, or degreaser is authorized.
Stop and get help when
- Stop for leakage, scalding water, combustion concern, electrical damage, or pressure discharge
- Do not improvise pressure-relief-valve testing or tank draining
Who to call: Use the qualified plumbing, electrical, HVAC, or solar-water trade appropriate to the model.
Reviewed sources
- Home MaintenanceEPA WaterSense · reviewed July 13, 2026