Temp_Lture-Pressure Relief Valve - Kenmore 153.330501 Owner's Manual

Gas water heater
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Installation
Instructions
(cont'd)
Temperature-Pressure
Relief Valve
A, WARNING
At the time of manufacture this water heater was provided
with a combinationtomperature-pressures relief valve certified
by a nationally recognizedtesting laboratory that maintains
periodic inspectionof productionof listed equipment or mate-
rials, as meeting the requirements
for Relief Valves and
Automatic Gas Shutoff Devicesfor Hut Water SupplySystems,
and the latest edition of ANSI Z2h22 and the code require.
ments of ASME. If replaced, the valve must meet the ,_luire -
ments of localcodes,but not lessthan a combinationtempera-
ture and pressurerelief valve certified as meeting the Rquire-
ments for Relief Valvesand Automatic Gas ShutoffDevicesfor
Hot Water SupplySystems,ANSI Z21.22 by a nationallyrecog-
nized testing laboratory that maintains periodic inspectionof
productionof listedequipment or materials.
The valve must be marked with a maximum set pressurenut
to exceed the marked hydrostatic working pressure of the
water heater (150 IbsJsq.in.) and a dischargecapacitynot less
than the water heater input rate as shownon the model rating
plate. (Electric heaters, watts divided by 1000 x 3415 equal
BTU/Hr. rate.)
Yourlocal jurisdictionalauthority,while mandatingthe use of a
temperature-pressure relief valve complyingwith ANSI 7.21.22
and ASME, may require a valve model different from the one
furnishedwith the water heater.
Compliancewith such localrequirements must be satisfiedby
the installeror end user efthe water heater with a locallypre-
scribed temperaCure-pressure r elief vaive installedin the desig-
natod opening in the water heater in place of the factory for-
uishodvalve.
For safe operationof the water heater,the relief valve must nut
be removed from it'sdesignatedopeningor plugged.
The temperatuure-pressurerelief valve must be Installeddirectly
inte the fittingofthe water heater designated for the relief valve.
Positionthe valve downwardand providetubingso that any dis-
chargewill exit onlywithin 6 inchesabove, or at any distance
below the structural floor Be certain that no contact is made
with _ny live e|ectricalpa_ Tbe dlsch_rge openingmust net be
blockedor reduced in size under any circumstances. E xcessive
length,over 30 feet, or useof more than four elbowscan cause
restriction and reduce the discharge capacityofthe valve.
No vuiveer other obsttuctlneis tu be pincodbetweenthe rafief
valve andthe tank. Do not connecttubing directlyto discharge
drain unless a 6"air gapisprovided.Topreventbodilyinjury,haz-
ard to life,or propertydamage,the relief valve must be allowed
to dischargewater in quantities should drcumstances demand, if
the discharge pipeis not connectedto a drain or other suitable
means, t he water flow may causepropertydamage.
The DischargePipe:
Must nut be smaller in size than the outlet pipe size of the
valve,or haveany reducing coupiings or other restrictions.
Must nut be pluggedor b|ocked.
Must be of material listed for hot water distribution.
Must be instaJlodso as to allow complete drainageof both
the temperature.prossure relief valve, and the discharge
pipe.
Mustterminate at an adequatedrain.
Must not haveany valvebetween the relief valveand tank.
AWARNING
The temperaturo-prossuro relief valve must be manually
operated at least once a year. Caution should be taken to
ensuro that (I) nu one is in front of or around the outfet of
the tempe_aturo-pressurerelief valve dischargeline, and (2)
the water manually discharged will not cause any bodily
injury or property damage because the water may be
extrerne_ ho_
If after manually operating the valve, it fails to completely
reset and continuesto release water, immediately closethe
cold water inlet to the water heater, follow the draining
instructions, and replace the temperature-pressure relief
vuivewith a new one.
HOT
_4
SHUT OFF
VALVE
COLD
PRESSURE
RELIEF VALVE
:cap
1
"AP
FLOOR
DRAIN
RELIEFVALVE OPENING
At the time of manufacoure, this water heaterwas providedwith a combination ter_
pe_ture-pressurerelief valvelistedas complying with the standard for relief val_s
and automatic gasshot-off d_ces for hot wa_r supplysystems, A NSI Z21.22. For
safeoperationof the water heater,the relief valvemust not be removed from its das-
ignitedpointof installation or plugged.
Your localjurisdictional authority,whilemandating the use of a temperawre-pressure
rebef_dve complying with ANSI Z21.22 andASHE may require a valve model differ-
ent from the onefurnished with _e water hea_
Compliancewith suchlocalP_quiremen_ musebe satisfied bythe installeror end user
of r_e wz_er heater with a locallyprescribed temperature-pressure relief valve
installed in the designated opening _nthe water beate_
Seemanualhe_ding-'remperatur_P_ssure Kelief Valve" for installation and main_-
narge of relief valve,discharge line,and other _fety precautions.
12

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