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PROBLEM
PILOT WILL NOT LIGHT OR
REMAIN LIT (continued)
HIGH OPERATION COSTS
INSUFFICIENT HOT WATER
SLOW HOT WATER
RECOVERY
POSSIBLE CAUSE(S) CORRECTIVE ACTION
9. ECO switch open
10. Pilot line or orifice clogged
11. Non-functioning thermopite
12. Air for combustion obstructed
13.
Flammable vapors incident, Flame Lock_
function utilized
1. Thermostat set too high
2. Sediment or time in tank
3. Water heater too small for job
4. Wrong piping connections
5. Leaking faucets
6. Gas leaks
7. Wasted hot water
8. Long runs of exposed piping
9. Hot water piping in exposed wall
1. Thermostat set too tow
2. Sediment or time in tank
3. Water heater too small
4. Wrong piping connections
5. Leaking faucets
6. Wasted hot water
7. Long runs of exposed piping
8. Hot water piping in outside wall
9. Low gas pressure
1. Insufficient secondary air
2. Flue clogged
3. Low gas pressure
4. Improper calibration
5. Thermostat set too tow
6. Water heater too small
7. Wrong piping connections
8. Wasted hot water
9. Replace gas control valve/thermostat
10. Clean, locate source and correct
11. Replace thermopite
12. See maintenance section for inspection and
cleaning of flame trap
13. Replace water heater, eliminate flammable
vapors source. Call 1-877-817-6750.
1. Set temperature dial to lower setting
2. Drain/flush-provide water treatment if needed
3. Install adequate heater
4. Correct piping-dip tube must be in cold inlet
5. Repair faucets
6. Check with utility-repair at once
7. Advise customer
8. Insulate piping
9. Insulate piping
1. Turn temperature dial to desired setting
2. Drain/flush-provide water treatment if needed
3. Install adequate heater
4. Correct piping-dip tube must be in cold inlet
5 Repair faucets
6. Advise customer
7. Insulate piping
8. Insulate piping
9. Check with gas utility company
1. Provide ventilation to water heater. Check flue
way, flue baffle, and burner
2. Clean flue, locate source and correct
3. Check with gas utility company
4. Replace thermostat
5. Turn temperature dial to desired setting
6. Install adequate heater
7. Correct piping-dip tube must be in cold inlet
8. Advise customer
DRIP FROM RELIEF VALVE 1. Excessive water pressure 1. Use a pressure reducing valve and relief valve
2. Heater stacking 2. Lower the thermostat setting
3. Closed water system 3. See "Closed System/Thermal Expansion"
THERMOSTAT FAILS TO 1. Thermostat not functioning properly 1. Replace thermostat
SHUT-OFF 2. Improper calibration 2. Replace thermostat
COMBUSTION ODORS 1. Insufficient secondary air 1. Provide ventilation to water heater. Check flue
way, flue baffle, and burner
2. Flue clogged 2. Clean, locate source and correct
3. Heater installed in a confined area 3. Provide fresh air ventilation
SMOKING AND CARBON 1. Insufficient secondary air 1.
FORMATION (SOOTING)
2. Low gas pressure
3. Flue clogged
4. Thermostat not functioning properly
5. Heater installed in a confined area
6. Burner flame yellow-lazy
Provide ventilation to water heater. Check flue
way, flue baffle, burner
2. Check with gas utility company
3. Clean, locate source and correct
4. Replace thermostat
5. Provide fresh air ventilation
6. See "Burner Flame Yellow-Lazy"
CONDENSATION 1. Temperature setting too low 1. Increase the temperature setting
BURNER FLAME FLOATS 1. Orifice too large 1. Replace with correct orifice
AND LIFTS OFF PORTS 2. High gas pressure 2. Check with gas utility company
3. Flue clogged 3. Clean flue and burner-locate source and correct
4. Cold drafts 4. Locate source and correct
BURNER FLAME TOO HIGH 1. Orifice too large 1. Replace with correct orifice
PILOT FLAME 1. Pilot line or orifice clogged 1. Clean, locate source and correct
TOO SMALL 2. Low gas pressure 2. Check with gas utility company
27
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