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The usage of water softening equipment greatly reduces the hardness of the water. However, this equipment does not
always remove all of the hardness (lime). For this reason it is recommended that a regular schedule of deliming be
maintained.
The depth of the buildup should be measured periodically. Water heaters will have about 3 inches of lime buildup when
the level of lime has reached the bottom of the cleanout opening or about 1 inch of lime buildup if it has reached the drain
valve opening. A schedule for deliming should be set up, based on the amount of time it would take for a 1/2 inch buildup
of lime.
Example 1: Initial inspection shows ½ an inch of lime accumulation. Therefore, the water heater can be delimed once a
year.
To remove sediment and lime scale:
1. Drain the heater. Refer to DRAINING THE WATER instructions in this section.
2. Remove outer cover plate from lower side of water heater jacket.
3. Remove cover and gasket from cleanout opening.
4. Remove lime, scale or sediment using care not to damage the glass-lining.
5. Inspect cleanout plate gasket: Replace gasket if necessary (Contact Bradford White Local Distributor for correct
part number).
6. Install gasket and cleanout plate. Be sure to draw plate up tight by tightening screws securely.
7. Close the drain valve. Open a hot water fixture to allow air to escape. Open the cold water supply to water
heater and allow the tank to fill. Follow the lighting instructions.
8. Check for water leakage.
9. Install outer jacket cover plate.
ANODE INSPECTION AND REPLACEMENT
This water heater is equipped with multiple sacrificial anodes. Anodes protect the glass-lined tank from corrosion by
sacrificing themselves through electrolysis. When the anode material is consumed, there is no more protection and
corrosion of the tank accelerates.
Inspection of the anode every 6 months allows you to identify the rate of anode degradation. The anode should be
replaced when its diameter is 3/8 of an inch, or annually whichever is first. Aggressive, very hot and softened water
causes rapid consumption of the anode requiring frequent inspections. The replacement anodes rods are available from
your Bradford White distributor.
To inspect or replace an anode:
The anodes on this water heater are easily accessible from the top of the water heater making replacement simple and
quick. Use the following procedure to remove and inspect the anodes.
1. Drain the heater. Refer to DRAINING THE WATER HEATER instructions in this section.
2. Flush the heater. Refer to FLUSHING THE WATER HEATER instructions in this section.
3. Remove the combustion surround top by unlatching.
4. Remove the second pass access cover. (If equipped)
5. Remove the second pass insulation.
6. Remove the second pass collector cover.
7. Remove the anode using a socket of the appropriate size. Sometimes a breaker bar will need to be used. Do not use
an impact wrench.
8. Inspect and replace the anode as required. Use pipe tape or sealant when reinstalling the anode.
9. Close the drain valve. Open a hot water fixture to allow air to escape. Open the cold water supply to water heater
and allow the tank to fill.
10. Check your anode and drain valve for leaks.
11. Replace second pass collector cover. Make sure to clean off any sealant and reseal before fastening.
12. Replace second pass insulation.
13. Replace second pass access cover.
14. Replace combustion surround top and latch it securely in place.
15. Follow the lighting instructions.
WARNING
Do not run out of propane gas. Damage to the water heater may occur.