Rheem H95 Outdoor Series Use and Care Manual - Page 54

Gas Supply cont.

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Gas Supply INSTALLATION INSTRUCTIONS Gas Supply (cont.) Gas Supply Installation 1  Installthemanualgasapplianceshut-offvalveto thegasconnectionatthewaterheater.Theshutoffissuppliedwiththewaterheater. 4  Usingtheproper-sizepiping,fittings,and components,buildthegassupplylinetothewater heater. NOTICE:  Thegassupplylineshouldbea minimumof3/4-in.(1.9-cm)blacksteelpipeor otherapprovedgaspipingmaterial. 2  InstallagroundjointunionorANSIdesign-certified semi-rigidorflexiblegasapplianceconnectorto theopenendofthemanualgasapplianceshut-off valve.The(NFGC)ANSIZ223.1andCAN/CSAB149.1 codesmandatetheuseofmanualgasshut-off valve. 5  Installasedimenttrapatthelowestportionofthe gasline. TheinletgaspressuretothewaterheatermustNOT exceed10.5in.w.c.(2.6kPa)fornaturalgasand 14in.w.c.(3.5kPa)forLPgas.Forpurposesofinput adjustment,theminimuminletgaspressure(withmain burneron)isshownonthewaterheaterratingplate. Ifhighorlowgaspressuresarepresent,contactyour gassupplierforcorrection. 3  Installamanualgassupplylineshut-offvalve totheendofthegassupplyline. NOTICE:  Lever-typegasshut-offsshouldall beT-handletype. 54

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54
Gas Supply
INSTALLATION INSTRUCTIONS
Gas Supply Installation
±
Install±the±manual±gas±appliance±shut-off±valve±to±
the±gas±connection±at±the±water±heater.±The±shut-
off±is±supplied±with±the±water±heater.
±
Install±a±ground±joint±union±or±ANSI±design-certified±
semi-rigid±or±flexible±gas±appliance±connector±to±
the±open±end±of±the±manual±gas±appliance±shut-off±
valve.±The±(NFGC)±ANSI±Z223.1±and±CAN/CSA±B149.1±
codes±mandate±the±use±of±manual±gas±shut-off±
valve.
±
Install±a±manual±gas±supply±line±shut-off±valve±±
to±the±end±of±the±gas±supply±line.
±
NOTICE:
±Lever-type±gas±shut-offs±should±all±
be±T-handle±type.
±
Using±the±proper-size±piping,±fittings,±and±
components,±build±the±gas±supply±line±to±the±water±
heater.
±
NOTICE:
±The±gas±supply±line±should±be±a±
minimum±of±3/4-in.±(1.9-cm)±black±steel±pipe±or±
other±approved±gas±piping±material.
±
Install±a±sediment±trap±at±the±lowest±portion±of±the±
gas±line.
The±inlet±gas±pressure±to±the±water±heater±must±NOT±
exceed±10.5±in.±w.c.±(2.6±kPa)±for±natural±gas±and±±
14±in.±w.c.±(3.5±kPa)±for±LP±gas.±For±purposes±of±input±
adjustment,±the±minimum±inlet±gas±pressure±(with±main±
burner±on)±is±shown±on±the±water±heater±rating±plate.±
If±high±or±low±gas±pressures±are±present,±contact±your±
gas±supplier±for±correction.
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Gas Supply (cont.)