Safety Instructions
Installation Instructions
Operating Instructions
Care and Cleaning
Troubleshooting Tips
Customer Service
21
Problem
Possible Causes
What To Do
Rumbling noise
Scale and sediment
●
Clean tank.
in tank.
Relief valve
Pressure build up
●
This is an unacceptable condition and must be
producing popping
caused by thermal
corrected. Contact the water supplier or plumbing
noise or draining
expansion to a
contractor on how to correct this. Do not plug the
closed system.
relief valve outlet.
Rattling noise
Internal heat trap
●
This is normal for heat trap fittings when in operation
during periods of
fittings in operation.
and does not indicate a need for service.
water usage
Not enough or
Water usage may have
●
Wait for the water heater to recover after an abnormal
no hot water
exceeded the capacity
demand.
of the water heater.
Low gas pressure.
●
Check gas supply pressure and manifold pressure.
The pilot may be out.
●
Check the pilot. If necessary, relight using the
instructions in the Lighting the water heater section
of this manual.
The thermostat may
●
See the Temperature regulation of the water heater
be set too low.
section of this manual.
Leaking or open hot
●
Make sure all faucets are closed.
water faucets.
Cold water inlet
●
This is normal. The colder inlet water takes longer
temperature may be
to heat.
colder during the
winter months.
Water is too hot
The thermostat
●
See the Temperature regulation of the water heater
is set too high.
section of this manual.
CAUTION: For your safety DO NOT attempt repair of gas piping, thermostat, burners, vent connectors or other
safety devices. Refer repairs to qualified service personnel.
