Rheem H95 Direct Vent Indoor Series Use and Care Manual - Page 63

Piping for Space Heaters

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INSTALLATION INSTRUCTIONS Piping for Space Heaters Localcodesorplumbingauthorityrequirementsmay varyfromtheinstructionsordiagramsprovidedinthis manual andtakeprecedenceovertheseinstructions. CombinationPotableandSpace HeatingApplication DANGERS: •Whenthissystemrequireswaterforspaceheatingat elevatedtemperatures(above125°F[52°C]),amixing ortemperingvalvemustbeinstalledinthehotwater supplylinetothehouseinordertoreducethescald hazardpotential. •Anypipingorcomponentsusedintheinstallationof thiswaterheaterinacombinationpotableandspace heatingapplicationmustbesuitableforusewith drinkingwater. •Ifthiswaterheaterisinstalledinanapplication intendedtosupplydomestichotwaterneedsandhot waterforspaceheatingpurposes,donotconnect theheatertoanexistingheatingunitorcomponents ofaheatingsystemthathavepreviouslybeenused withanondrinkingwatersystem. Toxicchemicalssuchasthoseusedforboiler treatmentmaybepresentandwillcontaminatethe drinkingwatersupplycausingpossiblehealthrisks. Neverintroducetoxicchemicals,suchasglycoland thoseusedforboilertreatment,intothissystem. •Thiswaterheaterisnotapprovedasthededicated spaceheatingunit. Thiswaterheatermustbeusedforcombination applicationswithairhandleronlyandnotforindoor heatingapplications. Typical Combination Installation Space Heater Air Handler 63

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63
INSTALLATION INSTRUCTIONS
Piping for Space Heaters
Local±codes±or±plumbing±authority±requirements±may±
vary±from±the±instructions±or±diagrams±provided±in±this±
manual and±take±precedence±over±these±instructions.
Combination±Potable±and±Space±
Heating±Application
DANGERS:
•±±
When±this±system±requires±water±for±space±heating±at±
elevated±temperatures±(above±125°F±[52°C]),±a±mixing±
or±tempering±valve±must±be±installed±in±the±hot±water±
supply±line±to±the±house±in±order±to±reduce±the±scald±
hazard±potential.
•±±
Any±piping±or±components±used±in±the±installation±of±
this±water±heater±in±a±combination±potable±and±space±
heating±application±must±be±suitable±for±use±with±
drinking±water.
•±±
If±this±water±heater±is±installed±in±an±application±
intended±to±supply±domestic±hot±water±needs±and±hot±
water±for±space±heating±purposes,±do±not±connect±
the±heater±to±an±existing±heating±unit±or±components±
of±a±heating±system±that±have±previously±been±used±
with±a±nondrinking±water±system.±
Toxic±chemicals±such±as±those±used±for±boiler±
treatment±may±be±present±and±will±contaminate±the±
drinking±water±supply±causing±possible±health±risks.±
Never±introduce±toxic±chemicals,±such±as±glycol±and±
those±used±for±boiler±treatment,±into±this±system.
•±±
This±water±heater±is±not±approved±as±the±dedicated±
space±heating±unit.
This±water±heater±must±be±used±for±combination±
applications±with±air±handler±only±and±not±for±indoor±
heating±applications.
Typical Combination Installation
Air Handler
Space Heater