PROBLEM |
POSSIBLE CAUSE(S) |
CORRECTIVE ACTION |
NO HOT WATER |
- Upper thermostat
- Elements
- No power to heater
- High Temperature Limit Switch open
|
- Replace thermostat
- Replace element
- Turn on electrical switch. Check for blown fuses or tripped breaker.
- Reset. Check for source of trouble and correct
|
INSUFFICIENT HOT WATER |
- Thermostats
- Elements
- Thermostats set too low
- Sediment or lime in tank
- Heater too small for job
|
- Replace thermostats
- Replace elements
- Set thermostats to desired temperature
- Drain-Determine if water treatment is needed
- See Sizing Guides
|
SLOW HOT WATER RECOVERY |
Elements |
Replace elements |
DRIP FROM RELIEF VALVE |
Excessive water pressure |
Use Pressure Reducing Valve and Pressure Relief Valve |
THERMOSTAT FAILS TO SHUT OFF |
Thermostats |
Replace thermostats |
WATER ODOR |
Sulfides in the water |
Replace aluminum anode with KA90 anode |