Freeze Protection; Draining The Water Heater - Rheem CRTGH-95X Series Use And Care Manual

CARING FOR YOUR WATER HEATER
DrainingtheWaterHeater(cont.)
StandardDrainMethod
Serviceisolatorvalvekitsmaybepurchasedfromthe
manufacturer,distributor,orplaceofpurchase.The
kitsincludetwofull-portisolationvalvestobeused
intheinletandoutletwaterlines.Thesekitsprovide
a meansforfulldiagnostictestingandeaseofsystem
flushing.
FreezeProtection
WARNING:
heatercancauseseriouspersonalinjuryfromscalding
and/orproductdamage.
Wheneverthewaterheatermaybeexposedtofreezing
conditions,makesuretocompletelydrainthewater
fromtheunit.Seepage20.
Freezingconditionscomefromtheventilationsystem
ondirect-ventmodelsandfromexposuretocoldairon
outdoormodels.
Allofthesewaterheatersareequippedwithafreeze
protectionelectricheater.Thisheaterprevents
freezinginsidethewaterheaterdowntoanambient
temperatureofapproximately-30°F(-34°C).These
temperaturesareallbasedontemperatureswithout
wind.
Theheateronlyprotectstheinternalcomponentsof
thewaterheater.
NOTICE:
supplytothewaterheaterwillalsodisconnectthe
powertotheheater.
Externalpipingandvalvesrequireadditional
freezeprotection.Onemethodistowrapinsulation
aroundthepipingandvalves.
Anothermethodistoturnonahotwaterfaucetand
leaveasmallamountofwaterrunningatafaucet.
Thiswillprotectthewaterheater,piping,andvalves
fromfreezing.
22
Failuretodrainthewater
Unpluggingordisconnectingthepower
Hot Water
Service Valve
Pressure Pressure
Relief Valve Relief Valve
Water Water
Outlet Outlet
Drain Drain
RunningWaterFreezeProtection
1
 TurnoffthewaterheaterbypressingthePOWER
ON/OFFbuttononthecontrolpanel.
2
 Closethegasshut-offvalve(s).
3
 Openahotwaterfaucetslightlyuntilthewater
streamisapproximately1/8in.(0.3cm).Besureto
checktheflowperiodically.
Cold Water
Service Valve
Water Water
Inlet Inlet