Rheem H95 Direct Vent Indoor Series Use and Care Manual - Page 43

Warning, Notices, Notice

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Venting INSTALLATION INSTRUCTIONS Vertical Vent Installation WARNING:Improperventinstallationcan resultindeath,personalinjury,productdamage,and/ orpoorperformance. NOTICES: •OnlyRheem-approvedANDULCS636approved terminationandpartsmustbeusedduring installation. •Maintaintherecommendedairspaceclearance tocombustiblematerialsandbuildinginsulation. Hole Through Roof CL CL Hole Through Ceiling 1 Cutaholethroughtheroofandinteriorceilingto accommodatetheventpipes. NOTICE:Free-standingventpipethatpenetrates aroof/ceilingrequiresanothermeansofsupportfrom asecondlocation.  Determinetheventterminalheightandinstall theventpipeaccordingly.Referto"Vertical Vent Terminal Location"onpage44forclearance requirements. A, B 4  Installadequateflashingwheretheventpipe passesthroughtheroof. 2  Completetheventpipeinstallationtothewater heater'sventconnectorfittings.Usecleaner-primer andPVCcementwheretheventpipesjointhewater heater. 5 AirIntakeCondensateTrap Forverticalterminationsorwheretheairintake pipeslopsdowntowardsthewaterheater,itis recommendedtoinstalladrainteeassembly.This istopreventanycondensateorliquidwaterfrom enteringtheintakeofthewaterheater.Connectthe trapdrainlinetoasuitabledrain.Donotconnectit directlytothecondensatedrainlinefromthewater heater. 3 Supportverticalandhorizontalrunsasdescribed onpage35.Verticalsupportsarerequiredevery4 ft.(1.2m)alongaverticalpiperoute,afterevery transitiontovertical,andaftereveryoffsetelbow. 1  Onetrapmethod:Gluea3"by4"adaptercoupling toeachendofa4"PVCpipelength.Drilla½"hole inthesideofthelargerdiameterpipe.Tapand threadfora½"barbedfitting,installfitting.Install thecollectorwiththefittingfacingdown.Donot installinverticialposition.Connectadrainhoseto thefittingandclamp,runhosetoasuitabledrain. 43

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43
INSTALLATION INSTRUCTIONS
Vertical Vent Installation
WARNING:
±Improper±vent±installation±can±
result±in±death,±personal±injury,±product±damage,±and/
or±poor±performance.
NOTICES:
±
•±±
Only±Rheem-approved±AND±ULC±S636±approved±
termination±and±parts±must±be±used±during±
installation.
•±±
Maintain±the±recommended±air±space±clearance±
to±combustible±materials±and±building±insulation.
Cut±a±hole±through±the±roof±and±interior±ceiling±to±
accommodate±the±vent±pipes.
±
Complete±the±vent±pipe±installation±to±the±water±
heater’s±vent±connector±fittings.±Use±cleaner-primer±
and±PVC±cement±where±the±vent±pipes±join±the±water±
heater.
Support±vertical±and±horizontal±runs±as±described±
on±page±35.±Vertical±supports±are±required±every±4±
ft.±(1.2±m)±along±a±vertical±pipe±route,±after±every±
transition±to±vertical,±and±after±every±offset±elbow.±
NOTICE:
±Free-standing±vent±pipe±that±penetrates±
a±roof/ceiling±requires±another±means±of±support±from±
a±second±location.
±
Determine±the±vent±terminal±height±and±install±
the±vent±pipe±accordingly.±Refer±to±
“Vertical Vent
Terminal Location”
±on±page±44±for±clearance±
requirements.
±
Install±adequate±flashing±where±the±vent±pipe±
passes±through±the±roof.
Air±Intake±Condensate±Trap
For±vertical±terminations±or±where±the±air±intake±
pipe±slops±down±towards±the±water±heater,±it±is±
recommended±to±install±a±drain±tee±assembly.±This±
is±to±prevent±any±condensate±or±liquid±water±from±
entering±the±intake±of±the±water±heater.±Connect±the±
trap±drain±line±to±a±suitable±drain.±Do±not±connect±it±
directly±to±the±condensate±drain±line±from±the±water±
heater.
±
One±trap±method:±Glue±a±3”±by±4”±adapter±coupling±
to±each±end±of±a±4”±PVC±pipe±length.±Drill±a±½”±hole±
in±the±side±of±the±larger±diameter±pipe.±Tap±and±
thread±for±a±½”±barbed±fitting,±install±fitting.±Install±
the±collector±with±the±fitting±facing±down.±Do±not±
install±in±verticial±position.±Connect±a±drain±hose±to±
the±fitting±and±clamp,±run±hose±to±a±suitable±drain.
Hole
Through Roof
C
L
Hole
Through Ceiling
C
L
1
2
A, B
4
5
3
1
Venting