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30 • Residen al Standard Gas Water Heater Use and Care Guide

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30 • Residen al Standard Gas Water Heater Use and Care Guide

Removing and Replacing the
Gas Control Valve/Thermostat

IMPORTANT: The gas control valve/
thermostat is a standard valve with
wire leads that connect to a thermal
switch.

Removing the Gas Control Valve/
Thermostat:

1

Turn the gas control/tem-
perature knob to the “OFF”
posi on.

Figure 48 -

Gas control/valve.

2

Turn o

ﬀ

the gas at the

manual shut-o

ﬀ

valve on the

gas supply pipe.

Figure 50 -

Gas valve in “off” position.

3

Drain the water heater. Refer
to the “Draining and Flushing
the Water Heater” sec on (see

page 28) and follow the procedure.

4

Disconnect the

A

igniter

wire from the igniter lead
wire. Use needle nose pliers

to disconnect the

B

red (+) and white

(-) thermopile wires. Disconnect

C

pilot tube (7/16” wrench) and

D

manifold tube (3/4” wrench) at the

gas control valve/thermostat. NOTE:
L.P. Gas systems use reverse (le -hand)
threads on the manifold tube.

A

C

D

B

Figure 52 -

Gas valve connections.

5

Disconnect the ground joint
union in the gas piping.
Disconnect the remaining

pipe from the gas control valve/
thermostat.

Figure 54 -

Ground joint union connection.

6

To remove the gas control
valve/thermostat, thread a 4”
sec on of gas pipe into the

inlet and use it to turn the  Flame
Guard   Safety System Opera  onal
Checklist TROUBLESHOOTING CHART
gas control valve/thermostat (counter-
clockwise.) Do not use pipe wrench or
equivalent to grip body. Damage may
result, causing leaks. Do not insert any
sharp objects into the inlet or outlet
connec  ons. Damage to the gas
control valve/thermostat may result.

Figure 56 -

Gas control/valve with threaded pipe.

Replacing Gas Control Valve/Thermostat:

To replace the gas control valve/thermo-
stat, reassemble in reverse order. When
replacing the gas control valve/
thermostat, thread a 4” sec on of gas
pipe into the inlet and use it to turn the
gas control valve/thermostat (clockwise.)
DO NOT OVER TIGHTEN, damage may
result.
• Be sure to use approved Te

fl

on® tape

or pipe joint compound on the gas piping
connec ons and

fi

ng on

the back of the gas control valve that
screws into tank.
• Be sure to remove the pilot ferrule nut
from the new gas control valve/thermo-
stat.

Figure 58 -

Gas valve in “on” position.

• Turn the gas supply on and check for
leaks. Test the water heater by brushing
on an approved noncorrosive
leak detec on solu on. Bubbles forming
indicate a leak. Correct any leak found.
• Be sure tank is completely

fi

lled with

water before ligh  ng and ac  va  ng the
water heater. Follow the
“Ligh  ng Instruc  ons” on page 23.
• If addi  onal informa  on is required,
contact the Service Department at:
1-800-999-9515

MAINTENANCE

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Содержание 100263116

Страница 1: ...ice can damage the water heater your house and other property and present risks including fire scalding electric shock and explosion causing serious injury or death Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in ...

Страница 2: ...t to cold water supply Hot water line T P relief valve Cold water shut oﬀ Dra hood T P discharge pipe Drain pan discharge pipe Metal drain pan Gas control valve thermostat Cold water line Gas supply shut oﬀ Vent pipe Drain valve Gas supply Sediment Trap ...

Страница 3: ...ruc ons is not followed exactly a fire or explosion may result causing property damage personal injury or death Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance An odorant is added by the gas supplier to the gas used by this water heater This odorant may fade over an extended period of me Do not depend upon this odorant as an indica ...

Страница 4: ... make water hot enough to cause severe burns instantly resul ng in severe injury or death Feel water before bathing or showering To reduce the risk of scalding install Thermosta c Mixing Valves temperature limi ng valves at each point of use These valves automa cally mix hot and cold water to limit the temperature at the tap Follow manufacturer s instruc ons for installa on and adjustment of the v...

Страница 5: ...bu on if you suspect flammable vapor have accumu lated inside or outside the appliance Immediately call a qualified person to inspect the appliance Water heaters subjected to a flammable vapors inci dent will show a discolora on on the flame arrestor and require replacement of the en re water heater Improper installa on or an inadequate air supply can also cause the FVIR system to dis able the wat...

Страница 6: ... odorless gas that is a by product of burning of fuels such as coal wood charcoal oil kerosene propane and natural gas Breathing excessive and abnormal amounts of carbon monoxide can cause carbon monoxide poisoning resul ng in serious injury or death This water heater must be supplied with adequate combus on air and must be properly vented to the outdoors Have a qualified person licensed plumber a...

Страница 7: ...al plumbing supplier with compres sion fi ngs that don t require soldering This kit includes two 12 flex water lines two compression fi ngs an 18 flexible gas line two nipples and Teflon tape For homes with plas c pipe use threaded connectors suitable for the specific type of plas c pipe used CPVC or PEX cross linked polyethylene Do not use PVC pipe Non corrosive gas leak detec on solu on made fro...

Страница 8: ...le you will need to conduct the vent dra test on pages 23 24 when installa on is finished If there is not enough ven la on you will need to ven late with outside air Check for Chemicals Installa ons where corrosive chemi cals may be present require outside air Air for combus on and ven la on must be clean and free of corrosive or acid forming chemicals such as sulfur fluorine and chlorine Ven la o...

Страница 9: ...l or horizontal ducts B2 Determine type of ven la on There are several types of ven la on that can be used 1 Direct to outdoors 2 Ver cal ducts 3 Horizontal ducts 4 Single opening not recom mended must be at least 100 square inches Not appropriate for confined spaces smaller than 50 cubic feet per 1 000 BTU HR as calculated in sec on A or when ge ng air from another room 5 From a larger room insid...

Страница 10: ...mension of no less than three inches All screens must have mesh or larger Moveable louvers must be locked open or interconnected with the equipment so that they open au toma cally during opera on Keep louvers and grills clean and free of debris or other obstruc ons B5 Check that air source is clean and free of chemicals Air for combus on and ven la on must be clean and free of corrosive or flammab...

Страница 11: ...wl spaces or any confined or inaccessible loca on Single wall vent pipe cannot pass through any interior wall Clearance to Combus ble Materials The vent pipe cannot pass through any ceiling floor firewall or fire par on Any part of the vent system must main tain the following clearances from any combus ble materials Single wall vent pipe must main tain a six inch clearance from combus ble material...

Страница 12: ...with type B double wall vent pipe Figure 9 Venting through a chimney with type B double wall vent pipe Gas Piping Gas piping must be installed accord ing to local and state codes or in the absence of local and state codes the Na onal Fuel Gas Code ANSI Z223 1 NFPA 54 current edi on NOTICE When installing gas piping apply pipe joint compound or Teflon tape approved for fuel gases Figure 10 Gas Pipi...

Страница 13: ...eat ing appliances when used to supply potable water Solar Installa on If this water heater is used as a solar stor age heater or as a backup for the solar system the water supply temperatures to the water heater tank may be in excess of 120 F A Thermosta c Mixing Valve or other temperature limi ng valve must be installed in the water supply line to limit the supply temperature to 120 F The unit m...

Страница 14: ...e s water pressure Locate your home s Pressure Reduc ing Valve PRV on the main incoming cold water supply line and adjust the water pressure control to between 50 and 60 psi If your home does not have a Pressure Reducing Valve install a PRV on the home s main water supply line and set it to between 50 and 60 psi Pressure Reducing Valves are available at your local plumbing supplier BACKGROUND Over...

Страница 15: ...leaks and can shut oﬀ the water heater s water supply if a leak occurs Install a metal drain pan available at your local plumbing supplier under the water heater to catch condensa on or leaks from the piping connec ons or tank Most codes require and we recommend installing the water heater in a metal drain pan that is piped to an adequate drain The drain pan must be at least two inches wider than ...

Страница 16: ...d If the water heater is installed di rectly on carpe ng it shall be in stalled on a metal or wood panel extending beyond the full width and depth of the water heater by at least 3 in 76 2mm in any direc on If the water heater is installed in an alcove or closet the en re floor shall be covered by the aforestated panel If your area is prone to earth quakes use special straps as required by local b...

Страница 17: ... flat blade screwdriver open the drain valve Sediment build up in the bo om of the water heater may hinder or prevent draining Figure 20 Draining the old water heater 8 Also open a hot water faucet to help the water in the tank drain faster 9 When the tank is empty disconnect the Temperature Pressure T P Relief Valve discharge pipe You may be able to reuse the discharge pipe but do not reuse the o...

Страница 18: ...nk The drain pan must be at least two inches wider than the diameter of the water heater Install the drain pan so the water level is limited to a maximum depth of 1 3 4 4 Verify that the water heater is set in place properly Check that There is adequate space to install the T P Relief Valve discharge pipe and that it can be piped to a separate drain and not into the drain pan There is adequate acc...

Страница 19: ...ef Valve was not factory installed install the new T P Relief Valve that came with your water heater Do not reuse an old T P Relief Valve The discharge pipe should be at least 3 4 inside diameter and sloped for proper drainage Install it to allow complete drainage of both the T P Relief Valve and the discharge pipe Figure 26 Temperature and Pressure Relief Valve Pipe The discharge pipe must not be...

Страница 20: ...func on WARNING Hot water provided by solar hea ng systems can cause severe burns instantly resul ng in severe injury or death Step 8 Connect the Water Supply Note that all piping and components connected to the water heater must be suitable for use with potable water 1 Determine the type of water pipes in your home Most homes use copper water pipes but some use CPVC or cross linked polyethylene P...

Страница 21: ... insula on or heat tape on the water pipes especially if the indoor installa on area is subject to freezing temperatures Insula ng the hot water pipes can increase energy eﬃciency 5 Adjust or install the home s Pressure Reducing Valve to 50 60 psi and install a Thermal Expansion Tank Figure 28 A Pressure Reducing Valve is required if your home s water pressure is above 80 psi Figure 29 The Thermal...

Страница 22: ...ture or children s soap bubbles 1 part soap to 15 parts water to all connec on points of the gas line and flexible gas connector if used Make sure to generously coat all the connec ons and check for gas leaks which will appear as small bubbles If any leaks are detected turn the gas supply oﬀ ghten the leaking connec on and re check BEFORE LIGHTING THE WATER HEATER Make sure all checklist items hav...

Страница 23: ...run to an adequate drain and protected from freezing Water pipes free of leaks Water heater completely filled with water Thermal Expansion Tank installed Water Pressure Reducing Valve installed and adjusted to 50 60 psi Thermosta c Mixing Valves in stalled at each point of use Gas Supply and Piping Gas type is the same as that listed on the water heater s data plate Gas line equipped with shut oﬀ ...

Страница 24: ...solid Status Light means the pilot was lit but is now oﬀ Release the gas control knob and wait 10 minutes Once the Status Light goes out repeat ligh ng steps 2 through 5 8 If the Status Light doesn t start flashing a er three ligh ng a empts turn the gas control knob to the OFF posi on and refer to the Troubleshoo ng No Hot Water sec on see page 25 9 When a gas water heater is first lit and the ta...

Страница 25: ...s 140 F kill bacteria that cause a condi on known as smelly water and can reduce the levels of bacteria that cause water borne diseases Water usage pa erns as well as heat from sources such as solar collectors ambient air and the pilot light can result in temperatures higher than the thermostat set point WARNING Higher temperatures increase the risk of scalding but even at 120 F hot water can scal...

Страница 26: ...ere are several possible causes Faulty Thermosta c Mixing Valve in a faucet or shower control check other faucets in the house for hot water Water heater s capacity too small or usage too high Reversed plumbing connec ons or melted dip tube usually found soon a er new installa on Plumbing leak Sediment or lime build up in the bo om of the tank Thermosta c Mixing Valves If the hot water is simply n...

Страница 27: ...Residen al Standard Gas Water Heater Use and Care Guide 27 TROUBLESHOOTING Residen al Standard Gas Water Heater Use and Care Guide 27 TROUBLESHOOTING ...

Страница 28: ...o the drain valve and place the other end of the hose in a drain outside or in buckets Note that sediment in the bo om of the tank may clog the valve and prevent it from draining If you can t get the tank to drain contact a qualified person 5 Turn the cold water supply valve OFF 6 Open the drain valve on the water heater Figure 42 Draining the water heater 7 Also open a hot water faucet to help th...

Страница 29: ... properly perform this visual inspec on or if the burner needs to be cleaned get help from a qualified person T P Relief Valve Maintenance Figure 45 T P Relief Valve Read and follow the opera ng and an nual maintenance instruc ons provided by the manufacturer of the T P Relief Valve yellow label a ached to T P Relief Valve Minerals in the water can form deposits that cause the valve to s ck or cre...

Страница 30: ...a 4 sec on of gas pipe into the inlet and use it to turn the Flame Guard Safety System Opera onal Checklist TROUBLESHOOTING CHART gas control valve thermostat counter clockwise Do not use pipe wrench or equivalent to grip body Damage may result causing leaks Do not insert any sharp objects into the inlet or outlet connec ons Damage to the gas control valve thermostat may result Figure 56 Gas contr...

Страница 31: ...Residen al Standard Gas Water Heater Use and Care Guide 31 NOTES NOTES ...

Страница 32: ...32 Residen al Standard Gas Water Heater Use and Care Guide NOTES NOTES ...

Страница 33: ...Residen al Standard Gas Water Heater Use and Care Guide 33 NOTES NOTES ...

Страница 34: ...34 Residen al Standard Gas Water Heater Use and Care Guide NOTES NOTES ...

Страница 35: ...th thermal switch wire lead 11 OUTER DOOR 12 PILOT THERMOPILEASSEMBLY KIT 13 FINAL BURNER ASSEMBLY 14 MANIFOLD DOOR GASKET 15 WRAP AROUND AIR FILTER REPAIR PARTS LIST 1 8 5 10 11 9 4 15 6 7 Replacement parts may be ordered through your plumber or the local distributor Parts will be shipped at prevailing prices and billed accordingly NOTICE When ordering replacement parts have the following informa...

Страница 36: ...em 13 Final burner assembly which contains the burner orifice manifold tube gasket door pilot tube thermopile manifold component block with retainer clip thermal switch and pilot assembly Natural Gas Low Nox or L P Item 14 Contains manifold door gasket Item 12 Item 13 L P Burner Item 14 Item 13 Natural Burner Teflon is a registered trademark of E I Du Pont De Nemours and Company Manufactured under...

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