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Care and cleaning of the water heater.

Draining the Water Heater

CAUTION: Shut off gas to the water

heater at the 

gas control

(thermostat) gas

cock 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.

!

!

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” (15.24cm)
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.

Housekeeping

Vacuum around the base of the water
heater for dust, dirt and lint on a regular
basis. Visually inspect pilot burner and 
relight if necessary.

To ensure sufficient ventilation and
combustion air supply, proper clearances
must be maintained. 

DO NOT block or obstruct any of the
combustion air inlet openings located
around the perimeter of the water heater.
A minimum of 1” (2.54cm) is required
between these combustion air inlet openings
and any obstruction.

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: Combustible

materials, such as clothing,
cleaning materials, or
flammable liquids, etc., must
not be placed against or next
to the water heater.

!

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: Hotter water

increases the potential for
Hot Water Scalds.

!

23

Summary of Contents for PowerVent 2

Page 1: ...mendations for the proper installation and adjustment of the water heater and two for the owner operator to explain the features operation safety precautions maintenance and troubleshooting of the wat...

Page 2: ...ite the model and serial numbers here You can find them on a label on the appliance Staple sales slip or cancelled check here Proof of the original purchase date is needed to obtain service under the...

Page 3: ...olvents paint thinners etc and the vapors they produce are extremely dangerous DO NOT handle use or store gasoline or other flammable or combustible materials anywhere near or in the vicinity of a wat...

Page 4: ...t the left details the approximate water temperature for each mark on the Gas Control Thermostat Temperature Dial DANGER Hotter water increases the potential for Hot Water SCALDS D A N G E R HOT Water...

Page 5: ...LP gas must be used with great caution It is heavier than air and will collect first in lower areas making it hard to detect at nose level Before attempting to light the water heater make sure to look...

Page 6: ...N READ ALL INSTRUCTIONS BEFORE USING WARNING For your safety the information in this manual must be followed to minimize the risk of fire or explosion electric shock or to prevent property damage pers...

Page 7: ...moving vehicles area flooding etc For these reasons installation of a gas fired water heater in a garage is not desirable Make certain the floor underneath the water heater is strong enough to suffic...

Page 8: ...not less than one square inch 6 5sq cm per 2000 Btuh of the total input rating of all the appliances in the enclosure If ducts are used the minimum dimensions of rectangular air ducts shall not be les...

Page 9: ...lp prevent the transmission of noise and vibration Do not support pin or otherwise secure the venting system in a way that restricts the normal thermal expansion and contraction of the chosen venting...

Page 10: ...WARNING Moisture in the flue gas will condense as it leaves the vent terminal In cold weather this condensate can freeze on the exterior wall under the eaves and on surrounding objects Some discolorat...

Page 11: ...nt that has become curdled lumpy or thickened DO NOT thin solvent cement Observe shelf precautions printed on the containers For applications below 32 F 0 C use only low temperature type solvent cemen...

Page 12: ...7 from any forced air inlet to the building Any fresh or make up air inlet such as a dryer or furnace area is considered to be a forced air inlet Short Piece of Vent Pipe Min 12 30 5cm 5 Above Roof Mi...

Page 13: ...ed to as thermal expansion In an open water system expanding water which exceeds the capacity of the water heater flows back into the city main where the pressure is easily dissipated A closed water s...

Page 14: ...rmostat inlet particularly if teflon pipe compound is used as the valve body may be damaged The inlet gas pressure to the water heater must not exceed 10 5 w c 2 625 kPa for natural gas or 14 w c 3 5...

Page 15: ...ons up to 7 700 feet 2347m Installations above 7 700 feet 2347m are not permitted Pressure Testing the Gas Supply System The water heater and its manual gas shut off valve must be disconnected from th...

Page 16: ...ergy saving or other unapproved devices other than those authorized by the manufacturer into onto or in conjunction with the water heater The use of unauthorized energy saving devices may shorten the...

Page 17: ...ary C atch Pan Thermostatic Gas Valv e Jacket Door Ground Join t Union Drain Valv e Relief valve discharge line to suitable open drain Temperature Pr essure Relief Valv e Pitch up 1 4 per foot NOTICE...

Page 18: ...rom water heater and piping Water connections tight and free of leaks Gas line equipped with shut off valve union and sediment trap Approved pipe joint compound used Soap and water solution used to ch...

Page 19: ...o an existing heating unit or components of a heating system that have previously been used with a non drinking water system Toxic chemicals such as those used for boiler treatment may be present and...

Page 20: ...and all other labels on the water heater as well as the warnings printed in this manual Failure to do so can result in unsafe operation of the water heater resulting in property damage personal injur...

Page 21: ...s newspaper rags or mops to accumulate near water heater Do Not store or use gasoline or other flammable vapors and liquids such as adhesives or paint thinner in vicinity of this or any other applianc...

Page 22: ...s who are incapacitated The gas control thermostat is constructed with a built in safety shut off device designed to shut off the gas supply to the burner if the pilot flame is extinguished for any re...

Page 23: ...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 drai...

Page 24: ...er remove the burner from the water heater A vacuum cleaner can be used on the burner and floor shield inside the water heater The burner can also be cleaned by scrubbing with mild detergent Proper bu...

Page 25: ...r orifice clogged The pilot burner should be cleaned or replaced by a qualified service technician Pilot burner tube pinched or The pilot burner should be cleaned repaired or clogged replaced by a qua...

Page 26: ...oo high the valve will not operate Refer to Installing the water heater Clean any scale buildup from burner and pilot assembly The spark ignitor assembly could be damaged or broken If so replace assem...

Page 27: ...ng gas control thermostat burners vent connectors or other safety devices Refer repairs to qualified service personnel LP Burner Assembly Natural Gas Burner Assembly Gas Control Thermostat Inner Door...

Page 28: ...nter Park Drive Montgomery Alabama 36109 1413 Phone 1 800 432 8373 In Canada Rheem Canada Ltd Lt e 128 Barton Street West P O Box 2846 Station A Hamilton Ontario Canada L8N 3P3 Phone Customer Service...

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