21
MAINTENANCE AND SERVICE
The water heater should be checked at least once a year or as necessary by a licensed technician.
If repairs are needed, any repairs should be done by a licensed technician.
The water heater’s lifetime may be extended by frequent maintenance.
WARNING
Turn off the electrical power supply and close the manual gas control valve and the manual
water control valve before servicing.
• Clean the cold-water inlet filter. (Refer to diagram below.)
• Be sure that all openings for combustion air are not blocked. If blocked, remove any obstruction.
• Check that the opening for exhaust is not blocked. If blocked, shut off the water heater’s combustion.
After a while, remove any obstruction.
DO NOT
touch while burning because you might get burnt due
to high temperature.
• Check the gas pressure.
• Keep the area around the water heater clear. Remove any combustible materials, gasoline or any
flammable vapors and liquids.
UNIT DRAINING and FILTER CLEANING
1.
Close the manual gas shut off valve.
2.
Turn off the power supply to the water heater.
3.
Close the manual water shut off valve.
4.
Open all hot water taps in the house (Bathroom, kitchen, laundry room, etc.). When the residual water
flow has ceased, close all hot water taps.
5.
Have a bucket or pan to catch the water from the unit’s drain plugs.
Unscrew
the drain plugs to drain
all the water out of the unit.
6.
Wait a few minutes to ensure all water has completely drained from unit.
7.
Clean the filter: Check the water filter located within the cold inlet. With a tiny brush, clean the water
filter of any debris which may have accumulated and reinsert the filter back into the cold water inlet.
8.
Securely screw the drain plugs back into place.
Hand- tighten only.
3. REMOVE BY TURNING
COUNTERCLOCKWISE AND
THEN CLEAN AND REPLACE
1. TURN OFF THE WATER
INLET SUPPLY VALVE.
2. OPEN A HOT WATER
TAP TO RELEASE THE
LINE PRESSURE.
filter
