A.O. Smith BTH 300 - VENTING REQUIREMENTS; FIELD SUPPLIED FITTINGS; PRIMER AND CEMENT; PIPE SIZE REQUIREMENTS

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HTXLYDOHQW IHHW  P 7KHUH LV QR PLQLPXP HTXLYDOHQW IHHW
UHTXLUHPHQWIRUWKHLQWDNHDLUSLSH
MAXIMUM NUMBER OF ELBOWS
7KHYHQWSLSHPD\KDYHDPD[LPXPRIVL[HOERZVLQVWDOOHG
7KH LQWDNH DLU SLSH PD\ KDYH D PD[LPXP RI VL[  HOERZV
LQVWDOOHG,(LQD'LUHFW9HQWFRQ¿JXUDWLRQHDFKSLSHFDQKDYH
XSWRVL[HOERZVLQVWDOOHG7ZRHOERZVHTXDORQH
HOERZ(DFKHOERZLVHTXLYDOHQWWRIHHWPRI
OLQHDU SLSH  HOERZV DUH HTXLYDOHQW WR  IHHW  P RI
OLQHDUSLSH
NOTE:5HIHUWR7DEOHDQG7DEOHIRUHTXLYDOHQWOLQHDUSLSH
OHQJWKRI$/&
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FACTORY SUPPLIED FITTINGS
7KH ZDWHU KHDWHU VKLSV ZLWK WZR  IDFWRU\ VXSSOLHG  LQFK
WHUPLQDWLRQV 39&  HOERZV ZLWK GHEULV VFUHHQ )DFWRU\
VXSSOLHG YHQW DQG LQWDNH DLU WHUPLQDWLRQV RU FRQFHQWULF DQG
ORZ SUR¿OH WHUPLQDWLRQV PXVW EH XVHG )DFWRU\ VXSSOLHG
WHUPLQDWLRQVDQGLQVWDOOHG¿WWLQJVH[KDXVWHOERZDQGLQWDNH
DLUFRQQHFWLRQDGG]HURHTXLYDOHQWIHHWWRWKHYHQWDQGLQWDNH
DLUSLSLQJ
NOTE:  LQFK YHQW DQGRU LQWDNH SLSH DV ZHOO DV  LQFK
WHUPLQDWLRQVSUHYLRXVO\XVHGRQROGHU%7+DQGPRGHOV
PXVWEHUHSODFHGZLWKLQFKRULQFKSLSHDQGLQFKRULQFK
WHUPLQDWLRQVGHSHQGLQJRQLQVWDOOHGOHQJWK
TABLE 7-PVC/CPVC and Polypropylene
Number of
90° Elbows
Installed
4 Inch Pipe 6 Inch Pipe
Maximum Feet (Meters) Maximum Feet (Meters)
2QH IHHWPHWHUV IHHWPHWHUV
7ZR IHHWPHWHUV IHHWPHWHUV
7KUHH IHHWPHWHUV IHHWPHWHUV
)RXU IHHWPHWHUV IHHWPHWHUV
)LYH IHHWPHWHUV IHHWPHWHUV
6L[ IHHWPHWHUV IHHWPHWHUV
6 INCH EXTENDED VENT TERMINATIONS
:KHQLQFKLQWDNHDLURUYHQWSLSHLVLQVWDOOHGXVLQJVWDQGDUG
WHUPLQDWLRQV IDFWRU\ VXSSOLHG  LQFK WHUPLQDWLRQV PXVW EH
XVHG&RQWDFW\RXUORFDOGLVWULEXWRURUFDOOWKHSDUWVGHSDUWPHQW
SKRQHQXPEHUOLVWHGRQWKHEDFNFRYHURIWKLVPDQXDOWRRUGHU
 LQFK WHUPLQDWLRQV 6HH 2SWLRQDO 'LUHFW 9HQW7HUPLQDWLRQV
RQSDJH
7KHZDWHUKHDWHUVFRYHUHGE\WKLVPDQXDOPD\EHLQVWDOOHGLQD
'LUHFW9HQWFRQ¿JXUDWLRQXVLQJDLQFKFRQFHQWULFRULQFKORZ
SUR¿OHWHUPLQDWLRQ
&RQWDFW\RXUORFDOGLVWULEXWRURUFDOOWKHSDUWVGHSDUWPHQWSKRQH
QXPEHUOLVWHGRQWKHEDFNFRYHURIWKLVPDQXDOWRRUGHU
• ´&RQFHQWULF7HUPLQDWLRQ3DUWXVHGIRUERWK
GLDPHWHUSLSLQJ
• /RZ3UR¿OH7HUPLQDWLRQ3DUW
COMMON VENTING
7KHZDWHUKHDWHUVFRYHUHGE\WKLVPDQXDOPD\EHLQVWDOOHGXVLQJ
DFRPPRQKRUL]RQWDOGLUHFWYHQWNLW&RQWDFW\RXUORFDOGLVWULEXWRU
RU FDOO WKH SDUWV GHSDUWPHQW SKRQH QXPEHU OLVWHG RQ WKH EDFN
FRYHURIWKLVPDQXDOIRUPRUHLQIRUPDWLRQRUWRRUGHU
VENTING REQUIREMENTS
FIELD SUPPLIED FITTINGS
)LHOGVXSSOLHG¿WWLQJVVKRXOGEHHTXLYDOHQWWRWKHSLSLQJPDWHULDO
EHLQJLQVWDOOHG)LHOGLQVWDOOHGVXSSOLHG¿WWLQJVZLOODGGHTXLYDOHQW
IHHWWRWKHYHQWRULQWDNHDLUSLSLQJDVLQGLFDWHGEHORZ$OO¿HOG
VXSSOLHGLQVWDOOHG ¿WWLQJV DQG SLSLQJ PXVW EH IDFWRUHG LQWR WKH
HTXLYDOHQWIHHWFDOFXODWLRQV
• HOERZVVKRUWRUORQJUDGLXVDUHHTXLYDOHQWWROLQHDU
IHHWFPRISLSH
• HOERZVVKRUWRUORQJUDGLXVDUHHTXLYDOHQWWROLQHDU
IHHWFPRISLSH
NOTE:5HIHUWR7DEOHDQG7DEOHIRUHTXLYDOHQWOLQHDUSLSH
OHQJWKRI$/&
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PRIMER AND CEMENT
7HWUDK\GURIXUDQ 7+) SULPHU VKRXOG EH XVHG WR SUHSDUH WKH
VXUIDFHVRISLSHDQG¿WWLQJVIRUVROYHQWZHOGLQJ,I&39&SLSHDQG
¿WWLQJVDUHXVHGWKHQWKHSURSHUFHPHQWPXVWEHXVHGIRUDOOMRLQWV
LQFOXGLQJMRLQLQJWKHSLSHWRWKHIDFWRU\SURYLGHGWHUPLQDWLRQV39&
PDWHULDO39&0DWHULDOVVKRXOGXVH$670'*UDGH&HPHQW
&39&0DWHULDOVVKRXOGXVH$670)*UDGH&HPHQW
PIPE SIZE REQUIREMENTS
7KHZDWHUKHDWHUVFRYHUHGLQWKLVPDQXDODUHFHUWL¿HGIRUWKHXVH
RIDQGLQFKSLSHIRUWKHYHQWH[KDXVWDQGLQWDNHDLUSLSLQJ
,IWKHLQVWDOOHGHTXLYDOHQWOHQJWKIRUWKHLQWDNHDLURUYHQWSLSLQJ
ZLOOEHIHHWPRUOHVVLQFKSLSHPXVWEHXVHG,IWKH
LQVWDOOHGHTXLYDOHQWOHQJWKZLOOEHPRUHWKDQIHHWP
LQFKSLSHPXVWEHXVHG
NOTE:,QVWDOOWKHSLSHVL]HUHTXLUHGIRUWKHLQVWDOOHGHTXLYDOHQW
OHQJWKRIHDFKSLSHLQGHSHQGHQWO\,(,IWKHLQWDNHDLUSLSHZLOOEH
HTXLYDOHQWIHHWRUOHVVDQGWKHYHQWSLSHZLOOEHPRUHWKDQ
HTXLYDOHQWIHHWWKHLQWDNHDLUSLSHPXVWEHLQVWDOOHGXVLQJLQFK
SLSHDQGWKHYHQWPXVWEHLQVWDOOHGXVLQJLQFKSLSH
MAXIMUM EQUIVALENT LENGTHS
Four Inch Pipe
7KH ZDWHU KHDWHUV FRYHUHG LQ WKLV PDQXDO DUH FHUWL¿HG WR D
PD[LPXPOHQJWKRILQFKSLSHIRUWKHH[KDXVWYHQWLQJDUUDQJHPHQW
RI HTXLYDOHQWIHHW P7KHFHUWL¿HG PD[LPXP OHQJWKRI
 LQFK SLSH IRU LQWDNH DLU SLSLQJ LV DOVR  HTXLYDOHQW IHHW 
P ,( 2Q 'LUHFW 9HQW LQVWDOODWLRQV ERWK SLSHV FDQ EH XS WR 
HTXLYDOHQWIHHWP
Six Inch Pipe
7KH ZDWHU KHDWHUV FRYHUHG LQ WKLV PDQXDO DUH FHUWL¿HG WR
D PD[LPXP OHQJWK RI  LQFK SLSH IRU WKH H[KDXVW YHQWLQJ
DUUDQJHPHQW RI  HTXLYDOHQW IHHW  P 7KH FHUWL¿HG
PD[LPXPOHQJWKRILQFKSLSHIRULQWDNHDLUSLSLQJLVDOVR
HTXLYDOHQW IHHW  P ,( 2Q 'LUHFW 9HQW LQVWDOODWLRQV ERWK
SLSHVFDQEHXSWRHTXLYDOHQWIHHWP
INTAKE AIR AND VENT PIPE CLEARANCES
7KHPLQLPXPFOHDUDQFHIURPFRPEXVWLEOHPDWHULDOVIRUWKHYHQW
H[KDXVWDQGLQWDNHDLUSLSLQJVKDOOEHLQFKHV9HQWRULQWDNH
DLUSLSLQJSDVVLQJWKURXJKDFRPEXVWLEOHZDOORUFHLOLQJPXVWEH
DFRQWLQXRXVUXQQRMRLQWV
MINIMUM EQUIVALENT LENGTHS
Four Inch Pipe
7KH ZDWHU KHDWHUV FRYHUHG LQ WKLV PDQXDO DUH FHUWL¿HG WR
D PLQLPXP OHQJWK RI  LQFK SLSH IRU WKH YHQW H[KDXVW RI 
HTXLYDOHQW IHHW  P 7KHUH LV QR PLQLPXP HTXLYDOHQW IHHW
UHTXLUHPHQWIRUWKHLQWDNHDLUSLSH
Six Inch Pipe
7KH ZDWHU KHDWHUV FRYHUHG LQ WKLV PDQXDO DUH FHUWL¿HG WR
D PLQLPXP OHQJWK RI  LQFK SLSH IRU WKH YHQW H[KDXVW RI 