Rheem Performance XG29T06MH32U1 Use and Care Manual download pdf (Page 18)

Draining the Water Heater

CAUTION: Shut off gas to the

water heater using the gas control

knob (thermostat) or manual shut-off

valve before draining water.

DANGER: Before manually

operating the temperature and

pressure relief valve, make certain

no one will be exposed to the hot

water released by the valve. The water

drained from the tank may be hot

enough to present a scald hazard and

should be directed to a suitable drain

to prevent injury or damage.

In order to drain the water heater, turn

off the cold water supply. Open a hot

water faucet or lift the handle on the

relief valve to admit air to the tank.

Attach a garden hose to the drain valve

on the water heater and direct the stream

of water to a drain. Open the valve.

Care and cleaning of the water heater

Housekeeping

Visually inspect pilot burner and relight

if necessary.

To ensure sufficient ventilation and

combustion air supply, proper clearances

must be maintained.

When installed in a closet, DO NOT block

or obstruct any of the combustion air inlet

openings located around the perimeter of the

water heater. A minimum of 1 in. is required

between the combustion air inlet openings

and any obstruction.

Routine Preventative Maintenance

Properly maintained, your water heater

will provide years of dependable

trouble-free service.

It is recommended that a periodic

inspection of the gas control

(thermostat), burner, relief valve,

internal flue-way and venting system

should be made by service personnel

qualified in gas appliance repair.

It is suggested that a routine

preventative maintenance program be

established and followed by the user.

At least once a year, lift and release the

lever handle on the temperature pressure

relief valve, located near the top of the

water heater, to make certain the valve

operates freely. Allow several gallons

to flush through the discharge line to an

open drain.

NOTICE: If the temperature and

pressure relief valve on the hot water

heater discharges periodically, this

may be due to thermal expansion in

a closed water system. Contact the

water supplier or your plumbing

contractor on how to correct this. DO

NOT plug the relief valve outlet.

A water heater’s tank can act as a

settling basin for solids suspended

in the water. It is therefore not

uncommon for hard water deposits to

accumulate in the bottom of the tank.

If allowed to accumulate, these solids

can cover the gas control (thermostat)

sensors, causing the sensors to operate

erratically. Because accumulated solids

can prevent the gas control (thermostat)

sensors from accurately reading the

water temperature, the water at the

fixture can be hotter than the gas

control (thermostat) dial setting. It is

suggested that a few quarts of water be

drained from the water heater’s tank

every month to clean the tank of these

deposits.

Rapid closing of faucets or solenoid

valves in automatic water using

appliances can cause a banging noise

heard in a water pipe. Strategically

located risers in the water pipe system

or water hammer arresting devices can

be used to minimize the problem.

The anode rod should be removed from

the water heater’s tank annually for

inspection and replaced when more than

6 in. of core wire is exposed at either

end of the rod.

Make sure the cold water supply is

turned off before removing anode rod.

This water heater incorporates a

combustion shut off device that shuts

the operation of the water heater down

if undesirable combustion conditions

occur. Such as the presence of

flammable vapors or blockage of the

combustion air inlet openings. Please

contact a Qualified Service Technician

if this occurs.

DANGER: Before

manually operating the

relief valve, make certain

no one will be exposed to

the danger of the hot water

released by the valve.

The water may be hot

enough to create a scald

hazard. The water should

be released into a suitable

drain to prevent injury or

property damage.

DANGER: Hotter

water increases the

potential for Hot Water

Scalds.

DANGER: Failure to

perform the recommended

Routine Preventative

Maintenance can harm the

proper operation of this

water heater, which can

cause carbon monoxide

dangers, excessive hot

water temperatures

and other potentially

hazardous conditions.

DANGER: Combustible

materials, such as clothing,

cleaning materials, or

flammable liquids, etc.,

must not be placed against

or next to the water heater.

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Rheem Performance XG29T06MH32U1 Use and Care Manual Page 18

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