Install Instructions

52 www.hotwater.com
These guidelines should be utilized by a quali ed service agent.
PROBLEM POSSIBLE CAUSE(S) CORRECTIVE ACTION
BURNER FLAME
TOO HIGH
Air inlets blocked
Insuf cient secondary air
Ori ce too large
1.
2.
3.
Unblock inlet air openings
Provide ventilation to water heater
Replace with correct ori ce
1.
2.
3.
FLAME BURNS
AT ORIFICE
Low gas pressure
Defective gas control valve/thermostat
1.
2.
Check with gas utility company
Replace gas control valve/thermostat
1.
2.
INSUFFICIENT
HOT WATER
Low gas pressure
Ori ce too small
Thermostat set too low
Gas control error codes
Sediment or lime in tank
Water heater too small
Wrong piping connections
Leaking faucets
Wasted hot water
Long runs of exposed piping
Hot-water piping in outside wall
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
Check with gas utility company
Replace with correct ori ce (see rating
plate)
Turn temperature knob to higher setting
Refer to gas control error codes
Drain/flush-provide water treatment if
needed
Install adequate heater
Correct piping: dip tube must be in cold
inlet
Repair faucets
Advise customer
Insulate piping
Insulate piping
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
WATER IS TOO HOT
Thermostat is too high
Defective gas control valve/thermostat
1.
2.
Turn temperature knob to lower setting
Replace the gas control valve/
thermostat
1.
2.
SLOW HOT WATER
RECOVERY
Insuf cient air/ ue blockage
Low gas pressure
Ori ce too small
Thermostat set too low
Heater too small
Wrong piping connection
Wasted hot water
Flue clogged
Air inlets blocked
1.
2.
3.
4.
5.
6.
7.
8.
9.
Provide ventilation to water heater.
Check ue way, ue baf e and burner
Check with gas utility company
Replace with correct ori ce (see rating
plate)
Turn temperature knob to higher setting
Install adequate heater
Correct piping-dip tube must be in cold
inlet
Advise customer
Clean ue, locate source and correct
Unblock inlet air openings
1.
2.
3.
4.
5.
6.
7.
8.
9.
DRIP FROM
RELIEF VALVE
Pressure build-up
Heater stacking
Closed water system
Improperly seated valve
1.
2.
3.
4.
Use a pressure-reducing valve and relief
valve
Lower the thermostat setting
See thermal expansion section
Check Relief valve for proper operation
(Do Not plug T&P valve)
1.
2.
3.
4.
GAS CONTROL VALVE/
THERMOSTAT FAILS TO
SHUT OFF
Defective gas control valve/thermostat1. Replace gas control valve/thermostat1.
SMELLY WATER
Sul des in water supply
Bacteria in water supply
3.Incompatible anade
1.
2.
3.
Chlorination procedure
Chlorination procedure
Replace with anode appropriate for water
conditions
1.
2.
3.
TROUBLESHOOTING GUIDELINES