

&21'(16$7,21'5$,178%(6

7KLVXQLWKDVDFRQGHQVDWLRQWUD\7KHZDWHUFROOHFWHGLQ WKH
WUD\GUDLQVRXWRIWKHVLGHRIWKHXQLW,W LVLPSRUWDQWWRLQVWDOOD
GUDLQSLSHWRWKHSULPDU\GUDLQSRUWFRPLQJRIIWKHVLGH RIWKH
XQLW3OXPERQHHQGWRWKHORZHUGUDLQSRUWRQ WKHVLGHRIWKH
XQLW3OXPEWKHRWKHUHQGWRDGUDLQLQWKH IORRURUQRKLJKHU
WKDQ·PDERYHWKHIORRU,IVXFKGUDLQLV XQDYDLODEOH
DFRQGHQVDWHGUDLQSXPSQRW
SURYLGHGPXVWEHSXUFKDVHGDQG
LQVWDOOHG7KHGUDLQSLSHVKRXOGEH
URXWHGVRWKDWWKHGLVFKDUJHZDWHU
FDQQRWFRQWDFWOLYHHOHFWULFDOSDUWV
RUSHUVRQVDQGWRHOLPLQDWHSRWHQWLDO
ZDWHUGDPDJH
,QVWDOODWLRQ,QVWUXFWLRQV

5(/,()9$/9(

:$51,1*5LVNRI8QLW'DPDJH7KH
SUHVVXUHUDWLQJRIWKHUHOLHIYDOYHPXVWQRWH[FHHG
36,N3DWKHPD[LPXPZRUNLQJSUHVVXUHRIWKH
ZDWHUKHDWHUDVPDUNHGRQWKHUDWLQJSODWH
$QHZFRPELQDWLRQWHPSHUDWXUHDQGSUHVVXUHUHOLHI
YDOYHFRPSO\LQJZLWKWKH6WDQGDUGIRU5HOLHI9DOYHVDQG
$XWRPDWLF*DV6KXW2II'HYLFHVIRU+RW:DWHU6XSSO\
6\VWHPV$16,=LVVXSSOLHGDQGPXVWUHPDLQLQVWDOOHG
LQWKHRSHQLQJSURYLGHGDQGPDUNHGIRUWKHSXUSRVHRQ
WKHZDWHUKHDWHU1RYDOYHRIDQ\W\SHVKRXOGEHLQVWDOOHG
EHWZHHQWKHUHOLHIYDOYHDQGWKHWDQN/RFDOFRGHVVKDOO
JRYHUQWKHLQVWDOODWLRQRIUHOLHIYDOYHV
7KH%78+UDWLQJRIWKHUHOLHIYDOYHPXVWQRWEHOHVV WKDQWKH
LQSXWUDWLQJRIWKHZDWHUKHDWHUDVLQGLFDWHGRQWKHUDWLQJ
ODEHOORFDWHGRQWKHIURQWRIWKHKHDWHUZDWW %78+
&RQQHFWWKHRXWOHWRIWKHUHOLHIYDOYHWRDVXLWDEOHRSHQ GUDLQ
VRWKDWWKHGLVFKDUJHZDWHUFDQQRWFRQWDFWOLYHHOHFWULFDO
SDUWVRUSHUVRQVDQGWRHOLPLQDWHSRWHQWLDOZDWHUGDPDJH
3LSLQJXVHGVKRXOGEHRIDW\SHDSSURYHGIRUKRWZDWHU
GLVWULEXWLRQ7KHGLVFKDUJHOLQHPXVWEHQRVPDOOHUWKDQWKH
RXWOHWRIWKHYDOYHDQGPXVWSLWFKGRZQZDUGIURPWKHYDOYH
WRDOORZFRPSOHWHGUDLQDJHE\JUDYLW\RIWKHUHOLHIYDOYH
DQGGLVFKDUJHOLQH7KHHQGRIWKHGLVFKDUJHOLQHVKRXOG
QRWEHWKUHDGHGRUFRQFHDOHGDQGVKRXOGEHSURWHFWHG
IURPIUHH]LQJ1RYDOYHRIDQ\W\SHUHVWULFWLRQRUUHGXFHU
FRXSOLQJVKRXOGEHLQVWDOOHGLQWKHGLVFKDUJHOLQH
&$87,21
7RUHGXFHWKHULVNRIH[FHVVLYHSUHVVXUHVDQG
WHPSHUDWXUHVLQWKLVZDWHUKHDWHULQVWDOOWHPSHUDWXUH
DQGSUHVVXUHSURWHFWLYHHTXLSPHQWUHTXLUHGE\ORFDO
FRGHVDQGQROHVVWKDQDFRPELQDWLRQWHPSHUDWXUHDQG
SUHVVXUHUHOLHIYDOYHFHUWLILHGE\DQDWLRQDOO\UHFRJQL]HG
WHVWLQJODERUDWRU\WKDWPDLQWDLQVSHULRGLFLQVSHFWLRQRI
SURGXFWLRQRIOLVWHGHTXLSPHQWRUPDWHULDOVDVPHHWLQJ
WKHUHTXLUHPHQWVIRU5HOLHI9DOYHVDQG$XWRPDWLF*DV
6KXWRII'HYLFHVIRU+RW:DWHU6XSSO\6\VWHPV$16,
=7KLVYDOYHPXVWEHPDUNHGZLWKDPD[LPXPVHW
SUHVVXUHQRWWRH[FHHGWKHPDUNHGPD[LPXPZRUNLQJ
SUHVVXUHRIWKHZDWHUKHDWHU,QVWDOOWKHYDOYHLQWRDQ
RSHQLQJSURYLGHGDQGPDUNHGIRUWKLVSXUSRVHLQWKH
ZDWHUKHDWHUDQGRULHQWLWRUSURYLGHWXELQJVRWKDW
DQ\GLVFKDUJHIURPWKHYDOYHH[LWVRQO\ZLWKLQLQFKHV
DERYHRUDWDQ\GLVWDQFHEHORZWKHVWUXFWXUDOIORRUDQG
GRHVQRWFRQWDFWDQ\OLYHHOHFWULFDOSDUW7KHGLVFKDUJH
RSHQLQJPXVWQRWEHEORFNHGRUUHGXFHGLQVL]HXQGHU
DQ\FLUFXPVWDQFHV

:$7(56833/<&211(&7,216

5HIHUWRWKHLOOXVWUDWLRQEHORZIRUVXJJHVWHGW\SLFDOLQVWDOODWLRQ
7KHLQVWDOODWLRQRIXQLRQVRUIOH[LEOHFRSSHUFRQQHFWRUVLV
UHFRPPHQGHGRQWKHKRWDQGFROGZDWHUFRQQHFWLRQVVRWKDW
WKHZDWHUKHDWHUPD\EHHDVLO\GLVFRQQHFWHGIRUVHUYLFLQJLI
QHFHVVDU\7KH+27DQG&2/'ZDWHUFRQQHFWLRQVDUHFOHDUO\
PDUNHGDQGDUHµ137RQDOOPRGHOV
127(,QVWDOODVKXWRIIYDOYHLQWKHFROGZDWHUOLQHQHDUWKH
ZDWHUKHDWHU7KLVZLOOHQDEOHHDVLHUVHUYLFHRUPDLQWHQDQFH
RIWKHXQLWODWHU
,03257$17'RQRWDSSO\KHDWWRWKH+27RU&2/'ZDWHU
FRQQHFWLRQV,IVZHDWFRQQHFWLRQVDUHXVHGVZHDWWXELQJ
WRDGDSWHUEHIRUHILWWLQJWKHDGDSWHUWRWKHFROGZDWHU
FRQQHFWLRQVRQKHDWHU$Q\KHDWDSSOLHGWRWKHKRWRUFROG
ZDWHUFRQQHFWLRQZLOOSHUPDQHQWO\GDPDJHWKHLQWHUQDO
SODVWLFOLQLQJLQWKHVHSRUWV

7<3,&$/,167$//$7,21

To cold
water supply
Jacket access panel
Jacket access panel
Auxiliary catch
pan 2” (5.1 cm)
maximum
Drain valve
Electrical junction box (use
only copper conductors)
Hot water
outlet to xtures
6” ( 15.2 cm)
air gap
Shut-off valve
Union
Union
Thermal expansion
tank (if required)
To electrical
distribution panel
Relief valve
discharge line to
suitable open drain
Temperature and
pressure-relief valve
(shown in different
location for clarity)
PVC Tee