Tank, Venting System Inspection | GSW PART NO.70999 REV.G (03-12)

MAINTENANCE INSTRUCTIONS -

GENERAL HOUSEKEEPING

As a precaution against fire, and to maintain an adequate flow of combustion air to the heater:

•keep the appliance area clear and free from combustible material, gasoline, and other flammable vapours and liquids,

•keep the terminal openings unobstructed

•do not pile cartons, paper or combustible material on top of the heater.

TANK

Drain at least a pail of water from the drain valve once a month. Some deposit will be washed out of the tank. If larger particles, resembling a coarse sand are washed out, or if the drain becomes clogged while draining, an excess of lime deposit has settled on the tank bottom and it is time to do a major tank cleaning. Consult your local Gas Utility or a qualified serviceman.

VENTING SYSTEM INSPECTION

Every 3 months, when inspecting the burner flame, an inspection of the venting system should be made. Check these points:

1.To make certain vent terminal is securely attached and free of obstruction.

2.Inspect air pipe to make certain its components are securely fastened, sealed and are in good condition.

3.To make certain inner door on water heater is securely fastened.

CORRECT ANY DEFECTS IMMEDIATELY.

TEMPERATURE & PRESSURE RELIEF VALVE

The Temperature and Pressure Relief Valve (T&P valve) is a part of the safety equipment on the water heater.

In order to keep the T&P valve functioning properly, operate the valve at least once a year by lifting the manual lever until water discharges from the overflow pipe.

CAUTION

The water flowing from the valve will be HOT. Keep hands and feet away from the stream of water. Take care that the discharging water does not damage any flooring, carpeting or other parts of the building which may be damaged by water.

See also section on T&P valve in the installation section.

CATHODIC PROTECTION

Depending on the model, one or two magnesium anodes are factory installed inside the tank to provide corrosion protection and to extend tank life. Permanent removal of the anode(s) for any purpose will void the warranty. Read the warranty attached to this water heater for a full explanation of the time period that parts and the heater are warranted.

It is advisable to inspect the condition of the anode(s) at certain intervals. A 2 year period may be a guide to begin with. The life of the anode depends on many factors and can differ greatly from one location to another.

To remove an anode, proceed as follows:

1.Turn the gas off at the inlet to the heater.

2.Turn water off at the cold water inlet valve.

3.Open a nearby hot water tap.

4.Drain approximately one pail full of water from the heater.

5.With a 1 1/16” hexagon socket wrench, loosen the anode from the fitting in the tank top.

NOTE: The anode has been factory installed using a power tool. It will be necessary for a second person to restrain the heater. A few sharp blows on the handle of the socket wrench will loosen the anode nut.

If an impact wrench (power drive) is available, this is an easy way to remove an anode.

6.Lift the anode up and inspect. There should be at least 3/8” to 1/2” of anode diameter left. The surface may be rough, full of pits and crevices, but this is normal.

If there is less than approximately 3/8” diameter left, the anode needs to be replaced.

7.Apply a good grade of pipe dope to the threads of the anode adaptor and screw securely into the tank top.

8.Open the cold water inlet valve and fill tank.

9.Check for leaks.

10.Relight burner by following lighting instructions on page 7.

Water supply conditions may vary depending on the region where this water heater is installed, and in some cases the water may have an adverse effect on the operation of the anode.

If a sulphurous, or “rotten egg” smell is noticeable in the hot water supplied by this heater, it is an indication that the water source is not compatible with the magnesium anode which is factory installed. Replace the anode to an aluminum anode or a water treatment for removal of sulphur from the water supply.

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PART NO.70999 REV.G (03-12) specifications

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GSW PART NO.70999 REV.G (03-12) Maintenance Instructions General Housekeeping, Tank

Models: PART NO.70999 REV.G (03-12)