Installation Instructions (cont'd)
Temperature-Pressure Relief Valve
AWARNING
At the time of manufacture this water heater was provided with a
Your localjurisdictionalauthority, while mandatingthe use of a
Z21.22 • CSA 4.4 Standardsand ASME, may require a valve model different from the one furnished with the water
heater.
Compliance with such localrequirements must be satisfied by the installeror end user of the water heater with a locally
For safeoperation of the water heater, the relief valvemust not beremoved from it'sdesignatedopeningor plugged. The
size under anycircumstancesExcessivelength,over. 30 feet, or use of more than four elbowscan causerestriction and
reduce the dischargecapacityof the valve.
No valve or other obstructionis to be placedbetween the relief valveand the tank. Do not connecttubing directly to dischargedrain unlessa 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 shouldcircumstancesdemand. If the dischargepipe is not connected to a drain or other suitable means, the water flow may causeproperty damage.
The DischargePipe:
•Must not be smallerin sizethan the outlet pipesize of the valve,or haveanyreducing couplingsor other restrictions.
•Must not be pluggedor blocked.
•Must be of material listedfor hot water distribution.
•Must be installedsoas to allowcomplete drainageof both the
•Must terminate at anadequatedrain.
•Must not haveanyvalvebetweenthe relief valveand tank.
_'LWARNING
The
(2)the water manually dischargedwill not causeany bodi- ly injury or property damage because the water may be extremely hot.
If after manually operating the valve, it fails to completely reset and continues to release water, immediately close the cold water inlet to the water heater,follow the drain- ing instructions, and replace the
R_LIEF VALVE
DISCHARGE PIPE
I I_ (Do not cap or
I1\
II \ PROVIDEA6"AIR
I I \ GAP BETWEEN
I I t THE END OF THE
I I • DISCHARGE PIPE
__ | AND DRAIN |
RELIEFVALVEOPENING
"THISWATERHEATERISAPPROVEDWITH A COMBINATIONTEMPERATURE-
PRESSURERELIEFVALVE. FOR SAFEOPERATIONOF THE WATER HEATER, THE RELIEFVALVE(S) MUST NOT BE REMOVED FROM ITS DESIGNATED
POINTOF INSTALLATIONORPLUGGED."
YOUR LOCALJURISDICTIONALAUTHORITY,WHILE MANDATING THE USE OF A
Z21.22 AND ASME, MAY REQUIREA VALVEMODEL DIFFERENTFROM THE ONEFURNISHEDWITH THE WATERHEATER.
COMPLIANCEWITH SUCH LOCALREQUIREMENTSMUST BE SATISFIEDBY THE INSTALLEROR END USEROF THE WATERHEATERWITH A LOCALLY
SEE MANUAL HEADING -
INSTALLATION AND MAINTENANCE OF RELIEFVALVE, DISCHARGELINE AND OTHERSAFETYPRECAUTIONS.
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