water should stop instantly. Warning: WATER WILL BE HOT and water flow can be forceful. If the valve does not function properly, it must be replaced.
In systems where the relief valve discharges periodically, this may be due to thermal expansion or to a thermostat that is operating at too high a temperature. In a closed water system, an expansion tank may be required Contact your local plumbing inspector. For a malfunctioning thermostat, contact your gas supplier.
Burner Maintenance
Annually inspect the burner and combustion chamber area to ensure that no debris have fallen on the burner and that no foreign material has found its way into the combustion chamber. Observe the flame for proper operation, Sheet metal burners have no adjustment, so contact your gas supplier if there is a problem.
ALWAYS KEEP THE AREA AROUND THE WATER HEATER CLEAR OF COMBUSTIBLE MATERIALS. NEVER RESTRICT THE FLOW OF AIR TO THE WATER HEATER.
