Filter
Top Products
HOW
T
TO
O
OBTAIN
S
SERVICE
A
ASSISTANCE
Should y
ou have any questions about your new water heater, or if it
requires adjustment, or routine maintenance, it is suggested that you
first contact your installer, plumbing contractor or previously agreed
upon service agency. In the event that the firm has moved, or is
unavailable, refer to the telephone directory commercial listings or
local utility f
or qualified service assistance.
Should your problem not be resolved to your complete satisfaction,
you should then contact the Manufacturer’s National Service
Department at the following address:
RHEEM MANUFACTURING COMPANY
2600 Gunter Park Drive East
Montgomery, Alabama 36109-1413
Y
ou may also obain technical assistance by calling
1-800-432-8373.
When contacting the manufacturer, the following information should
be made available:
1. Model and serial number of the water heater as shown on the rat-
ing plate attached to the jacket of the water heater.
2. Address where the water heater is located and can be seen.
3. Name and address of installer and any service agency who per-
formed service on the water heater.
4. Date of original installation and dates any service work was per-
formed.
5. Details of the problems as you can best describe them.
6. List of people, with dates, who have been contacted regarding your
problem.
NATURE OF TROUBLE POSSIBLE CAUSES SERVICE
No Hot Water Manual switch turned off (if equipped) Turn to ON
Blown service panel fuse or breaker Replace or reset
See flashing LED light on display board
Improper or loose wiring to control board Check and tighten
Reconnect electrical supply in proper polarity
Gas Valve turned "OFF" Turn gas valve "ON"
Low gas pressure causes lockout Check gas pressure when unit fires
Not enough gas pressure for demand of system Increase pressure to 7" - 14" w.c. on inlet side of gas valve
Replace regulator
Bad gas meter or meter too small for load Replace meter
Supply pipe is less that 3/4 inch diameter Replace with 3/4 inch pipe
Gas regulator too close to heater Must be at least 10 feet from heater
Venting restricted enough to cause lockout Check and clear venting pipes and vent termination
Not Enough Hot Water Thermostat set too low Increase thermostat setting
Heater is undersized Resize and compare
Water Too Hot Thermostat setting too high Lower thermostat setting
Slow Hot Water Recovery Improper gas supply Check gas pressure
Venting restricted - but not enough to cause lockout Check and clear venting pipes and vent termination
Noisy Water Heater Puffing on ignition Adjust gas valve
Loud pop on ignition Adjust gas valve
Huff and puff during operations Adjust gas valve
Intermittent huffing and puffing Check for re-circulation under venting
Excessive water pressure (just a little from the T&P)
Excessive water temperature (approx. 2/3 of tank
volume is on the floor)
Rusty Water Excessive iron content Have water analyzed. Install filter (if necessary).
Dielectric unions installed Install non-dielectric unions
Water On Floor Around Unit Condensate removal system is not working Check condensate line for blockage
Check condensate line is directed to floor drain
Condensate pump not working (if equipped)
Drain line is "vapor locked". Install a vent in the condensate
drain line
Water heater is leaking Cold in or hot out joints (connections) Check joints and repair
T&P valve Check, tighten and/or replace
Temperature/ECO probe Check, tighten and/or replace
Inner tank has a pin hole Replace water heater
Excessive Relief Valve
O
p
eration
Check for open or closed system. Install thermal expansion
tank. Install
p
ro
p
er ex
p
ansion tank on cold side.
Check ECO/vent switch LED flashing; lower setting or replace
thermostat/ECO
p
robe.
Rectify problem by diagnosing using the Display Board LED
chart
Electrical polarity is reversed. Green LED on display
board is not on.
Bad gas regulator before heater or gas regulator is
too small for load
(Includes banging, huffing and
p
uffin
g)
Trouble Shooting Guide
AP12158 Rev 1 (05/00)