Sears 153333531, 153333100 Temperature-Pressure Relief Valve, Charge capacity of the valve

Temperature-Pressure Relief Valve

WARNING

At the time of manufacture this water heater was provided

with a combination temperature-pressure relief valve certi- fied by a nationally recognized testing laboratory that main-

tains periodic inspection of production of listed equipment or materials_ as meeting the requirements for Relief Valves and Automatic Gas Shutoff Devices for Hot Water Supply

Systems, and the latest edition of ANS1 Z21.22 and the code

requirements of ASME If replaced, the valve must meet the requirements of local codes, but not less than a combination

temperature and pressure relief valve certified as meeting

the requirements for Relief Valves and Automatic Gas

Shutoff Devices for Hot Water SupplySystems, ANSI Z21.22

by a nationally recognized testinglaboratory that maintains

periodic inspection of production of listed equipment or materials°

The valve must be marked with a maximum set pressure not

to exceed the marked hydrostatic working pressure of the water heater (150 Ibs.!sq_ in°) and a discharge capacity not less than the water heater input rate as shown on the model rating plate. (Electric heaters - watts divided by 1000 x 3415

equal BTU/Hr. rate.)	.,
Your local jurisdictional	authority, while mandating me use
of a temperature-pressure	relief valve complying with ANSI

Z21.22 and ASME, may require a valve model dl_fferent from the one furnished with the water heater,

ampliance with such local requirements must be satisfied the installer or end user of the water heater with a locally

'escribed temperature-pressure relief valve installed in the tesignated opening in the water heater in place of the facto- 'y furnished valve.

:or safe operation of the water heater, the relief valve must not be removed from it's designated opening or plug.ged.

The temperature-pressure relief valve must be Installed directly into the fittingof the water heater designated for the relief valve. Position the valve downward and provide tubing so thal any discharge will exit only within 6 inches above, or at any distance below the structural floor. Be certain that no contact is made with any live electrical part. The discharge

opening must not be blocked or reduced in size under any circumstances. Excessive length, over 30 feet, or use of more than four elbows can cause restriction and reduce the dis-

charge capacity of the valve.

No valve or other obstruction is to be placed between the relief valve and the tank. Do not connect tubing directly to

discharge drain unless a 6" air gap is provided. To prevent bodily Injury, hazard to life, or property damage, the relief

valve must be allowed to discharge water in quantities should circumstances demand_ If the discharge pipe is not connected to a drain or other suitable means, t_hewater flow may cause property damage .........

The Discharge Pipe:

--Must not Ge smaller in size than the outlet pipe size of the valve, or have any reducing couplings or other restriction.

--Must not be plugged or blocked°

--Mustbe of material listed for hot water distribution°

--Mustbe installed so as to allow complete drainage of both the temperature-pressure relief valve, and the discharge plpe.

_Must terminate at an adequate drain.

--Musl not have any valve between the relief valve and tank°

1I

WARNING

The temperature-pressure relief valve must be manual-

ly operated at least once a year, Caution should be taken to ensure that (I) no one is in front of or around

the outlet of the temperature-pressure relief valve dis-

charge line, and (2) t_e water manually discharged will

not cause any bodily injury or property damage because the water may be extremely hot,

If after manually operating the valve, it fails to complete-

ly reset and continues to release water, immediately close the cold water inlet to the water heater, follow the

draining instructions, and replace the temperature-pres- sure relief valve with a new one°

HOT	SHUTOFF	COLD
	VALVE

RE-PRESSURE

RELIEF VALVE

[]	HARGE PIPE
	(Do not cap or plug)

6" AIR GAP

FLOOR DRAIN

RELIEF VALVE OPENING

ATTHETIMEOF MANUFACTURE,THISWATERHEATERWASPROVIDED WITHACOMBINATIONTEMPERATURE-PRESSUREREUE_VALVELISTED:

AS COMPLYINGWITHTHESTANDARDFORRELIEFVALVESANDAUTO- MATICGASSHUTOFFDEVICESFORHOT WATERSUPPLYSYSTEMS, ANSIZ21 22. FORSAFE OPERATIONOF THE WATERHEATER,THE RELIEFVALVEMUSTNOTBE REMOVEDFROMITSDESIGNATEDPOINT OF INSTALLATIONOR PLUGGED YOURLOCALJURISDICTIONALAUTHORITY,WHILEMANDATINGTHEUSE OFA TEMPERATURE,PRESSURERELIEFVALVECOMPLYINGWITHANS! Z21.22ANDASME,MAYREQUIREA VALVEMODELDIFFERENTFROM THEONEFURNISHEDWITHTHEWATERHEATER

COMPLIANCEWITHSUCHLOCALREQUIREMENTSMUSTBESATISFIED BY THE INSTALLEROR ENDUSEROF THE WATERHEATERWITHA LOCALLY PRESCRIBEDTEMPERATURE-PRESSURERELIEFVALVE INSTALLED THEDESIGNATEDOPENINGINTHEWATERHEATER, SEEMANUALHEADING--"TEMPERATURE,PRESSURERELIEFVALVES" FORINSTALLATIONANDMAINTENANCEOFRELIEFVALVE,DISCHARGE PIPEANDOTHERSAFETYPRECAUTIONS